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| موضوع: كتاب Material Science and Metallurgy الإثنين 22 أبريل 2024, 1:36 am | |
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أخواني في الله أحضرت لكم كتاب Material Science and Metallurgy U. C. Jindal
و المحتوى كما يلي :
Contents Preface xv About the Author xvi 1. ATOMIC STRUCTURE 1 1.1 Introduction 1 1.2 Isotopes 1 1.3 Isobars 2 1.4 Avogadro’s Number 2 1.5 Atomic Model 2 1.6 Electron Configurations 11 1.7 Periodic Table 12 Multiple Choice Questions 15 Review Questions 16 2. ATOMIC BONDING AND CRYSTAL STRUCTURE 17 2.1 Introduction 17 2.2 Classification of Materials 17 2.3 Atomic Structure 18 2.4 Space Lattice 19 2.5 Basis 20 2.6 Bravais Crystal Structure 21 2.7 Atomic Bonding in Solids 22 2.8 Primary Interatomic Bonding 25 2.9 Structures of Crystalline Solids 29 2.10 Density 36 2.11 Allotropy or Polymorphism 39 2.12 Crystallographic Directions 39 2.13 Crystallographic Planes 43 2.14 Atomic Arrangements 47 2.15 Crystal Growth of Polycrystalline Materials 50 2.16 Single Crystal 50 Multiple Choice Questions 55 Review Questions 56 Practice Problems 57vi Contents 3. IMPERFECTIONS IN SOLIDS 60 3.1 Introduction 60 3.2 Point Defects 60 3.3 Impurities in Solids 63 3.4 Line Defects 65 3.5 Characteristics of Dislocations 69 3.6 Sources of Dislocations 70 3.7 Stacking of Close-packed Structures 71 3.8 Stacking Faults 72 3.9 Behaviour of Dislocations 73 3.10 Twinning 79 3.11 Grain Boundaries 80 3.12 Low-angle Grain Boundaries 81 3.13 Volume Imperfections 82 3.14 Whiskers 82 Multiple Choice Questions 84 Review Questions 85 Practice Problems 86 4. PLASTIC DEFORMATION IN CRYSTALLINE MATERIALS 87 4.1 Introduction 87 4.2 Slip in Perfect Lattice 87 4.3 Slip Systems 89 4.4 Critical Resolved Shear Stress for Slip 89 4.5 Strain Hardening of Single Crystal 92 4.6 Yield Point Phenomenon 93 4.7 Strain Ageing 94 4.8 Hardening Due to Point Defects 95 4.9 Mechanism of Strengthening in Metals 95 4.10 Recovery, Recrystallization and Grain Growth 101 Multiple Choice Questions 105 Review Questions 106 5. MECHANICAL PROPERTIES 108 5.1 Introduction 108 5.2 Tension Test 108 5.3 Hardness 117 5.4 Fracture 121 5.5 Fracture Mechanics 123 5.6 Impact Fracture Testing 128Contents vii 5.7 Temper Embrittlement 130 5.8 Hydrogen Embrittlement 131 5.9 Fatigue 131 5.10 Creep 140 5.11 Stress Relaxation 145 Multiple Choice Questions 147 Review Questions 148 Practice Problems 149 6. DIFFUSION 152 6.1 Introduction 152 6.2 Diffusion Couple 152 6.3 Grain Boundary Diffusion and Surface Diffusion 154 6.4 Types of Diffusion 155 6.5 Factors Affecting Diffusion 156 6.6 Laws of Diffusion 159 6.7 Fick’s Second Law 161 6.8 Depth of Case Carburization 166 6.9 Impurity Diffusion 166 6.10 Diffusion-controlled Applications 169 6.11 Kirkendal Effect 173 Multiple Choice Questions 175 Review Questions 176 Practice Problems 176 7. PHASE DIAGRAMS 178 7.1 Introduction 178 7.2 Phases 178 7.3 Solidification of a Metal in an Ingot Mould 179 7.4 Types of Phase Diagrams 183 7.5 Binary Amorphous Alloys 183 7.6 Development of Microstructure in Amorphous Alloy 187 7.7 Non-equilibrium cooling—Development of Microstructure in Binary Amorphous Alloy 188 7.8 Binary Eutectic Systems 190 7.9 Development of Microstructure in Eutectic Alloys 193 7.10 Equilibrium Diagrams Having Intermediate Phases or Compounds 195 7.11 Eutectoid or Peritectic Reactions 196 7.12 Gibb’s Phase Rule 199 7.13 Iron Carbon System 200 7.14 Microstructural Developments 203viii Contents Multiple Choice Questions 208 Review Questions 209 Practice Problems 210 8. PHASE TRANSFORMATIONS 211 8.1 Introduction 211 8.2 Solidification of Metal in Ingot Mould 211 8.3 Types of Phase Transformations 214 8.4 Nucleation and Growth Kinetics 214 8.5 Multiphase Transformations 216 8.6 Pearlitic Transformation 217 8.7 Bainite Transformation 220 8.8 Martensitic Transformation 222 8.9 Formation of Austenite 223 8.10 Precipitation and Age Hardening 224 8.11 Continuous Cooling Transformation Curve 225 8.12 Mechanical Behaviour of Iron–Carbon Alloys 227 Multiple Choice Questions 231 Review Questions 232 Practice Problems 233 9. HEAT TREATMENT OF STEELS 235 9.1 Introduction 235 9.2 Heat Treatment Processes 235 9.3 Temperature Ranges of Various Heat Treatment Processes 236 9.4 Annealing 238 9.5 Normalizing 240 9.6 Hardening 240 9.7 Hardenability 242 9.8 Hardening Methods 244 9.9 Tempering 245 9.10 Subzero Treatment of Steel 246 9.11 Diffusion Treatments 246 9.12 Surface Hardening Techniques 248 9.13 Special Purpose Heat Treatments 250 Multiple Choice Questions 253 Review Questions 254 10. METALS AND ALLOYS 256 10.1 Introduction 256 10.2 Types of Ferrous Alloys 256Contents ix 10.3 Plain Carbon Steels 257 10.4 Alloy Steels 260 10.5 Stainless Steels 265 10.6 Cast Irons 265 10.7 Non-ferrous Alloys 270 10.8 Copper and its Alloys 271 10.9 Aluminium and its Alloys 271 10.10 Nickel Base Alloys 273 10.11 Magnesium and its Alloys 274 10.12 Titanium and its Alloys 275 10.13 Zinc 275 10.14 Refractory Metals 276 10.15 Superalloys 277 10.16 Bearing Metals 277 10.17 Aircraft Materials 278 Multiple Choice Questions 282 Review Questions 283 11. ORGANIC MATERIALS 285 11.1 Introduction 285 11.2 Types of Organic Materials 285 11.3 Types of Polymers 287 11.4 Degree of Polymerization 288 11.5 Geometry of Polymeric Chains 288 11.6 Mechanism of Polymerization 291 11.7 Homopolymerization and Copolymerization 292 11.8 Condensation Polymerization 293 11.9 Additives in Polymers 294 11.10 Strengthening Mechanisms of Polymers 295 11.11 Stereotactic Synthesis 298 11.12 Plastics 299 11.13 Fibers and Filaments 300 11.14 Elastomers and Rubbers 301 11.15 Mechanical and Thermal Behavior of Polymers 303 11.16 Special Purpose Plastics 305 Multiple Choice Questions 308 Review Questions 309 Practice Problems 310 12. CERAMIC MATERIALS 311 12.1 Introduction 311 12.2 Classification of Ceramics 311x Contents 12.3 Refractories 312 12.4 Silicates and Silica 313 12.5 Structure of Glasses 314 12.6 Glasses 315 12.7 Thermal Behavior of Glasses 316 12.8 Lime 318 12.9 Polymorphs of Carbon 319 12.10 Carbon Products and Hard Ceramics 321 12.11 Clay-based Ceramics 323 12.12 Cement 323 12.13 Concrete 325 Multiple Choice Questions 326 Review Questions 327 13. COMPOSITE MATERIALS 329 13.1 Introduction 329 13.2 Types of Composites 329 13.3 Large Particle Composites 330 13.4 Dispersion-strengthened Composites 332 13.5 Fiber-reinforced Composites 332 13.6 Fiber Phase 338 13.7 Matrix Phase 338 13.8 Polymer Matrix Composites 339 13.9 Ceramic Matrix Composites 344 13.10 Carbon–carbon Composites 345 13.11 Metal Matrix Composites 345 13.12 Hybrid Composites 346 13.13 Structural Composites 347 Multiple Choice Questions 350 Review Questions 351 Practice Problems 351 14. WEAR OF MATERIALS 353 14.1 Introduction 353 14.2 History of Friction and Wear 353 14.3 Contact Mechanics 354 14.4 Friction 357 14.5 Measurements 359 14.6 Definition of Wear 361 14.7 Forms of Wear 362Contents xi 14.8 Sliding Contact Wear 362 14.9 Abrasive Wear 364 14.10 Types of Erosion 365 14.11 Surface Fatigue 366 14.12 Protection Against Wear 367 14.13 Hard Facing 370 14.14 Bearings 371 14.15 Lubrication 372 Multiple Choice Questions 375 Review Questions 376 15. CORROSION AND OxIDATION 378 15.1 Introduction 378 15.2 Electrochemical Reaction 378 15.3 Electrochemical Process 379 15.4 Electrolytes 382 15.5 Galvanic Cell 383 15.6 Types of Corrosion 383 15.7 Laws of Corrosion 385 15.8 Corrosion Rate 386 15.9 Dry Corrosion 386 15.10 Rusting of Steel 389 15.11 Various Forms of Corrosion 390 15.12 Factors Affecting Corrosion 394 15.13 Corrosion Fatigue 396 15.14 Corrosion of Ceramic Materials 396 15.15 Degradation of Polymers 396 15.16 Guidelines for Protection Against Corrosion and Oxidation 397 Multiple Choice Questions 401 Review Questions 402 16. THERMAL PROPERTIES 404 16.1 Introduction 404 16.2 Temperature Scale 404 16.3 Melting Point 405 16.4 Heat Capacity 406 16.5 Temperature Dependence of Heat Capacity 408 16.6 Thermal Shock 409 16.7 Thermal Conductivity 410 16.8 Thermal Expansion 413 16.9 Thermal Stresses 417xii Contents 16.10 Materials for High-temperature Applications 420 16.11 Materials for Low-temperature Applications 421 Multiple Choice Questions 423 Review Questions 424 Practice Problems 425 17. ELECTRICAL CONDUCTIvITY AND INSULATING PROPERTIES 427 17.1 Introduction 427 17.2 Ohm’s Law 427 17.3 Commonly Used Conducting Materials 430 17.4 High-resistivity Materials 430 17.5 Electron Configuration 431 17.6 Electron Energy Band 432 17.7 Different Types of Band Structures 434 17.8 Band and Atomic Bonding Model for Conduction 436 17.9 Electron Mobility 437 17.10 Electrical Resistivity of Metals 438 17.11 Electronic and Ionic Conduction 440 17.12 Commercial Alloys 441 17.13 Insulation 441 17.14 High-voltage Insulators 441 17.15 Insulation of Antennas 442 17.16 Insulation of Electrical Apparatus 442 17.17 Class I nd Class II Insulation a 442 17.18 Properties of Insulating Materials 443 Multiple Choice Questions 447 Review Questions 448 Practice Problems 449 18. SEMICONDUCTORS 450 18.1 Introduction 450 18.2 Semiconduction 450 18.3 Temperature Effect on Intrinsic Semiconductor 452 18.4 Extrinsic Semiconductors 453 18.5 Hall Effect 455 18.6 Variation of Conductivity with Temperature and Carrier Concentration 457 18.7 Semiconductor Devices 459 18.8 Infrared Detectors and Photoconductors 462 18.9 Thermoelectrics 463 18.10 Transistors 464 18.11 Microelectronic Circuitry 466Contents xiii 18.12 Applications of Semiconductors 467 Multiple Choice Questions 470 Review Questions 471 Practice Problems 471 19. DIELECTRIC PROPERTIES 473 19.1 Introduction 473 19.2 Dielectric Behaviour 473 19.3 Dipole Moment and Polarization 475 19.4 Polarization of an Electric Field 478 19.5 Frequency Dependence of Dielectric Constant 479 19.6 Effect of Temperature on Dielectric Constant 480 19.7 Dielectric Losses 480 19.8 Dielectric Breakdown 481 19.9 Ferroelectricity 481 19.10 Piezoelectricity 482 19.11 Dielectric Materials 483 19.12 Practical Dielectrics 483 Multiple Choice Questions 485 Review Questions 486 Practice Problems 487 20. MAGNETIC PROPERTIES 488 20.1 Introduction 488 20.2 Magnetism 488 20.3 Magnetic Field Vectors 490 20.4 Magnetization Curves 491 20.5 Ferromagnetism 494 20.6 Ferrimagnetism 496 20.7 Magnetostriction 497 20.8 Effect of Temperature on Magnetic Behaviour 497 20.9 Domains 498 20.10 Hysteresis 499 20.11 Soft Magnetic Materials 500 20.12 Hard Magnetic Materials 501 20.13 Magnetic Storage 503 20.14 Commonly Used Magnetic Materials 503 20.15 Superconductivity 504 Multiple Choice Questions 507 Review Questions 508 Practice Problems 509xiv Contents 21. OPTICAL PROPERTIES OF MATERIALS 510 21.1 Introduction 510 21.2 Electromagnetic Wave Propagation in Solids 515 21.3 Reflection and Refraction at the Interface 516 21.4 The Electromagnetic Spectrum 517 21.5 Absorption and Scattering 517 21.6 Colour 519 21.7 Fluorescence, Phosphorescence and Luminescence 520 21.8 Laser 520 21.9 The Fibre Optic Communication 524 Multiple Choice Questions 526 Review Questions 527 Practice Problems 527 INDEx 529 A Abrasive wear, 362, 364 Absorption, 172, 174, 463, 517, 519, 527 Adhesive, 27, 262, 285, 300, 305, 339, 362, 367, 374, 480 Aerospace technology, 466 Aircraft material, 278, 368 Alkyd, 300 Allotropy, 39 Alloy, 256, 259, 261 application of, 263–264 chromium,15, 17, 21, 30, 251, 257, 259, 261, 265 manganese, 20, 30, 54, 212, 231, 257, 263 miscellaneous, 261–263 molybdenum, 26, 30, 93,130, 144, 262, 338, 344 nickel, 26, 30, 93, 130, 144, 148, 259, 262 silicon, 13, 18, 21, 27, 30, 51, 56, 82, 147, 262, 280 steel, 260–261 types of, 256–257 Aluminum, 271 cast alloy, 256, 271, 275, 398 wrought alloy, 270–273, 279 Amphibole, 444 Annealing, 69, 73, 101, 105, 169, 172, 231, 238, 240, 252 process of, 239 diffusion annealing, 240, 254 spheroidize annealing, 239, 254 full annealing, 238 partial annealing, 238–239 Anti ferromagnetism, 495, 498, 506 Antimonide, 470 Aramid fibre, 285, 301, 307, 340, 342, 350 Asbestos, 340–341, 349, 442, 476, 483, 485 Atomic arrangement, 47, 51, 65 Atomic bonding, 17 Atomic diffusion, 152, 169, 190, 195 Atomic hard spheres model, 29 Atomic packing factor, 29, 48–49, 57, 416 Atomic structure, 1, 16, 18 relation with diffusion, 74, 94, 103, 106, 143, 152–153, 156 Atomic weight, 1 Average relative weight, 1 Avogadro’s number, 2, 14, 19, 36–39, 55, 63, 407, 495 B Bainite structure, 220–221, 233 Bakelite, 293–294, 300, 429, 473 Barium titanate, 482–483, 485, 487 Basis, 3, 20, 39, 87, 122, 270, 500 Bauschinger’s effect, 92 Bearing metal, 270, 277–278 Behaviour of dislocation, 69, 73 cross slip, 73, 75, 83–85, 135 dislocation climb, 74, 77, 83 dislocation pile up, 73, 75, 80, 83, 92, 105, 118 frank read source, 73, 77–78, 80, 104–105 glide motion, 73, 75 jogs, 73, 76 Binary amorphous alloy, 183–185 eutectic system, 190–192 lead–tin system, 192, 209 lever rule, 185–186, 192–194, 207, 210 Biomedical polymer, 305–307 Blue brittle region, 95 Bohr atomic model, 2, 4, 15 postulates of, 4 INDEX530 Index Bohr, Neil, 4 Boron nitride, 312, 326, 467 Bragg’s law, 51, 53, 55 Bravais, Miller, 41–42 Bravais crystal structure, 21 Burger’s circuit, 66, 85 Burger’s vector, 66, 85 C Carbon atom, 39, 56, 63, 97, 106, 321, 393 Cast iron, 110, 138, 200, 202, 208, 257, 265–270, 384, 393, 406, 415 Catalyst, 215, 231, 291, 295, 299, 301, 308, 340, 343, 369 Cation, 25 Cavity, 180, 212 Cement, 311, 323–324 Cementation, 250–251 Centrifugal force, 3, 15 Ceramic material, 26, 29, 311–313, 315, 317 classification of, 311–312 Chain stiffening, 295–296, 307, 309 Chloroprene rubber, 302 Clay, 294, 311–313, 319, 323, 441, 444 Cold work, 77, 87, 94, 98 Colourant, 295, 307, 330–331, 348 Commercial alloy, 235, 427 Composite material, 329, 331, 351, 441 types of, 329 Concrete, 99, 110, 311–312, 324–325, 331, 351, 415–418 Condensation polymerization, 293 Copolymerization, 292–293 Copper, 271, 279 Corrosion, 63, 70, 101, 132, 138, 146, 160, 378, 369 electrochemical process related to, 379–380 factors affecting, 394 fatigue and, 396 form of, 390 laws of, 385 rate of, 386 reaction of, 378–379 types of, 383–384 Corrosion fatigue, 138 Creep, 65, 75, 80, 95, 108, 140, 282, 345, 420 curve, 140–142 stress rupture test, 140, 142, 146 low-temperature and, 143 engineering creep data and, 143–144 resistant alloy in relation to, 144 Crevice, 390–392, 398–401 Critical resolved shear stress, 87, 89–91, 104–106 tensile test on single crystal, 91–92 Cross-linking, 290–291, 295–296, 299, 340, 416 Crystal structure, 17, 29 Crystalline solid, 17–18, 29, 50, 60, 154, 405 Crystallization, 61, 70, 295, 307, 315 Crystallographic direction, 39–41, 51, 55, 89, 414 Crystallographic orientation, 50, 80, 87 Crystallographic plane, 18, 39, 43–44, 55, 89, 136 D Dealloying, 390, 393, 400, 403 Decarburization, 137, 171, 176 Degree of polymerization, 285–286, 288, 306, 308, 310 mechanism of, 291, 309 Density, 17, 35–39, 48, 322, 408, 490, 524 Diamagnetism, 491–492, 506, 508 Diamond, 17, 26, 35, 39, 55, 89, 104, 117, 119, 312, 319 Dielectric material, 473–474, 478–480, 485, 487, 503 behavior of, 473 breakdown of, 481 loses of, 480 Diffusion, 74, 94, 106, 143, 152, 164, 246, 440, 466 interstitial, 155 vacancy diffusion or substitutional, 155 Diffusion couple, 152–154, 164, 173, 175–176 interstitial, 155–156, 246 law of, 159–160 type of, 155–156 vacancy, 155 Diffusion-controlled application, 169 annealing and normalizing, 169, 171–172 case carburization, 166, 169, 170, 174, 176 conducting ceramic, 169, 171, 176 decarburization, 137–138, 169, 171, 176Index 531 doping of semiconductor, 169, 171 moisture absorption and, 169, 172, 174, 306 optical fibre and, 169, 172, 174, 176, 524–525 sintering and, 169–170, 174, 176, 285, 321–322 turbine blade and, 131, 147, 172, 174, 213, 277, 396, 402 Diffusion flux, 159 Diffusion treatment, 246, 253 carbonitriding, 246, 248, 253, 255, 368, 377 carburizing, 138, 146, 148, 166, 176, 235, 246–247, 368 case depth, 171, 246–248, 251, 369 cyaniding, 246, 248, 253, 368, 377, 398 nitriding, 138, 148, 235, 246–248, 251, 375, 377, 398 Dipole moment, 475 Dispersion-strengthened composite, 332, 349– 351 Domain, 135, 482, 489, 495, 498, 506, 508 Doping, 171, 450 Driving force, 160 Dry corrosion, 378, 383, 386, 399–400, 402 E Elastomer, 147, 301–303, 307, 331, 341, 362, 415, 421 Electrical conductivity, 26, 166, 171, 174, 313, 319, 427, 462 Electrical resistivity, 438 Electrolyte, 368, 378, 382–384, 391,396, 399, 441, 446 Electromagnetic spectrum, 517, 519 characteristics of, 511 propagation in solid and, 515 waves in relation to, 3, 510, 513 Electron configuration, 2, 11–13, 15, 26, 427, 434 mobility of, 438, 449 Electronegativity, 64, 155 Electronic conduction, 408, 440, 448 microcircuit and, 18, 51 Electrostatic force, 4 End quench test, 243 Energy band, 433–435, 446, 448 Epoxy, 297, 300, 305, 308, 337, 339–340, 342, 346, 416, 443 F Fabrication technique, 256, 299, 329, 342 Fatigue, 65, 82, 95, 108, 131–132, 367, 369, 374, 396, 402, 421 crack initiation and propagation, 135 factor affecting fatigue behaviour, 137–139 factor for failure of, 132 S–N curve and, 133–134, 146 stress cycle, 132–133, 135–140, 396 understressing, 140 Fatigue strength, 134, 137, 148, 261, 273, 281 Ferrimagnetism, 491, 496, 500, 506, 508 Ferroelectricity, 481, 485–486 Ferromagnetic, 468, 494–495, 477–499, 506–507 FICK’S second law, 161, 163, 174, 176 Fluorescence, 520, 527 Formaldehyde, 290–291, 293–294, 297, 300, 308, 341, 416, 440, 476 Forward bias, 460–461, 464–465, 469, 470, 523 Fracture, 80, 105, 108, 110, 112,121–122 mechanics of, 123 Friction, 357–362 measurement of, 359–361 Fretting, 138, 149, 362–364, 374, 376 Frenkel defect, 62, 85 G Galling, 368, 375 Galvanic cell, 382–383, 398, 402 Galvanized steel, 278, 384 Gas hole, 212–213, 232 Glass, 280, 315–316, 340 structure of, 314 thermal behavior of, 316–317 Glide strain, 91 Graft copolymer, 297, 308 Grain boundary diffusion, 154 low-angle and, 60, 81, 85 Grain growth, 70, 83, 87, 101, 103, 105, 223, 261 Graphite, 17, 20, 22, 200–202, 208, 266, 313, 320, 384, 412 Griffith theory, 126 H Hall effect, 450, 455–456, 469, 471 Hardenability, 242–243, 248, 252, 254, 261532 Index Hardening, 240–242, 250, 252–253, 261, 324, 350, 361 methods of, 244 techniques of, 248–250 Hardness, 117–120, 147, 231, 235, 420 Brinell test, 117–119 dynamic, 117 indentation, 117 indentation, 117–121, 146, 150, 366 microhardness, 120, 149 rebound or dynamic, 117 Rockwell test, 120 scratch, 117, 362 superficial test, 120 Vickers’s test, 119 Heat capacity, 304, 404, 406–409, 422–424 Helium atom, 152 Heterogeneous, 93, 104, 197, 207, 209, 214–215 Hexagonal crystal, 41–43, 46, 55, 58–59 High-resistivity material, 430, 441, 445, 448 Homogeneous phase, 179, 207 Homopolymerization, 292, 307 Hough–Soderberg diagram, 139 Hybrid composite, 329, 346–347, 349, 351 Hydrocarbon molecule, 479 Hydrodynamic lubrication, 360, 371, 374, 376 Hydrogen atom, 2, 4, 7, 16, 26, 131, 285, 292, 382, 517 Hydrogen embrittlement, 131, 148, 258, 263, 275, 281, 390, 393 Hypothetical phase, 224 Hysteresis, 301, 303, 307, 496, 499–500, 506, 508 soft magnetic material and, 501 I Impact fracture testing, 128 transition, 129–130 Impurity diffusion, 152–153, 166, 171, 173, 176 Infrared detector, 450, 462–463, 467, 469, 471 Insulation, 443–448, 473, 481, 483, 485 antennas and, 442 Class I and Class II, 442–443 electrical apparatus and, 442 Interdiffusion, 153, 173 iron–carbon alloy, 227 bainite, 228 martensite, 228 pearlite, 227 spheroidite, 228 Iron carbon system, 178, 208 phases of Fe and Fe3C, 200–203 Isotopes, 1, 15, 19, 56, K Kirkendal effect, 173 Klystron, 510 L Large particle composite, 330–331, 349–351 Laser, 236, 248, 250, 253, 255, 450, 467, 520–521, 524 applications of, 523–524 carbon dioxide and, 523 dye, 523 HeNe, 522 properties of, 523 ruby and, 521 semiconductor and, 523 Latent heat, 181 Lattice, 17 Laws of diffusion, 159 Lubrication, 360, 374, 376 grease, 372 oil, 372 solid film lubricant, 373 Law of crystallization, 103 Lime, 238, 312, 318, 328, 410 Line defect, 65, 67, 85 Linear atomic density, 48 Luders’ band, 94, 104 Luminescence, 520 M Macrosegregation, 213 Magnesium alloy, 274, 280, 282 Magnetism, 488, 491 Magnetization curve, 491–492, 500, 502 Magnetostriction, 497, 506, 508 Martensitic transformation, 211, 222, 226, 230–231 Magnetic behaviour, 489, 491, 497 field vector and, 490Index 533 Maxwell, James Clark, 513 Metal matrix composite, 329, 338, 345, 349, 351 Mica, 445 Microelectronic circuitry, 450, 464, 466, 471 Microwave oven, 480 Molecular crystal, 21 Molecular structures, 26, 289, 291, 295, 301, 303, 331, 478 Molybdenum, 26, 30, 93, 130, 269, 276, 281, 312 Monocrystalline, 18 Multiphase transformation, 216 N Nickel alloy, 273–274, 279, 281, 332, 349, 384, 503–504 Non-ferrous alloy, 134, 256, 270, 279 Normalizing, 69, 169, 171, 227, 235, 240, 252–254 Nucleation, 135–136, 180, 182, 188, 214, 225, 231, 396 O Ohm’s law, 427 Optic communication system, 527 Organic materials, 82, 130, 354, 443, 467 monomers and, 286 types of, 285–286 Orthorhombic crystal, 50, 57 Oscillating electron, 18 Oxidation, 142, 172, 331, 380, 389, 391, 393, 401 Oxyacetylene gas, 370 P P aramagnetism, 491, 493, 506, 508 Pearlitic transformation, 217, 226, 231 coarse, 219 fine, 219 Perfluorobutyl ethyl cellulose1, 306 Peritectic reaction, 196–197 Phase diagram, 178, 209, 216, 224, 230, 236 binary, 183 Gibb’s phase rule, 199–200 multiphase, 183 ternary, 183 Phase transformation, 204, 211, 213–217, 231–233 types of, 214 Phosphorescence, 520, 527 Photo conductor, 450 Photoengraving, 466 Piezoelectricity, 482–483, 485–486 Pitting, 138, 273, 361, 391, 400, 403 Plain carbon steel, 95, 119, 248–250, 278, 385, 400 types of, 257 Plastic, 280, 299 thermoplastic, 299 thermosetting, 299 Point defect, 60–61, 63, 83, 95, 107 Schottky, 61 Frenkel, 62 Polymer, 286, 298, 304, 340, 397 additive in, 294–295 deformation of, 297 mechanical and thermal behavior of, 303–304 strengthening mechanism of, 295–297 types of, 287 Polycrystalline, 17–18, 50, 87, 338, 482 Polarization, 394–396, 400, 403, 487 electronic, 478 ionic, 478 orientation and, 479 Polymorphism, 39, 55, 57 Polyurethane, 303, 443 Primary interatomic bonding, 25–29 covalent bonding, 26 ionic bonding, 25 metallic bonding, 27 molecule, 28 Vander Waal’s bonding, 28 Q Quantum model, 11 R Radiography, 51 Recovery, 70, 87, 105–107, 143, 239, 304 Recrystallization, 70, 87, 96, 101–107, 142, 233, 239, 254, 275 Redistribution, 188, 195, 204, 292534 Index Refractory metal, 251, 270, 276, 281, 345, 349, 420 Reinforcement, 228, 325, 329–333, 338, 341, 345 Rubber, 172, 276, 280, 303, 307, 309, 374, 397 Rutherford’s nuclear model, 3 S Sacrificial polymer coating, 397 Scattering, 4, 408, 411–412, 427, 518, 527 Schottky defect, 61 Scratch, 69, 117, 138 Screw dislocation, 75–76, 83–84, 175 Scuffing, 252, 303, 362–363, 375 Semiconductor device, 87, 450, 459, 462 extrinsic, 453 intrinsic, 451 n–p-type, 455 n-type, 453–454 Segregation, 99, 130, 190, 213, 230, 232, 394 interdendritic, 213 Serpentine, 444 Silica, 39, 125, 150, 172, 175, 294, 312, 408, 412 Silicate, 150, 311–314, 378, 394, 443, 445 Siliconized grade, 320 Slip system, 72, 87, 89, 104–106 HCP crystal and, 89 Sommerfeld–Wilson atomic model, 2, 10, 15 Space lattice, 19–20, 22, 29, 40, 54, 56 Spheroidite, 221, 227–229, 233, 239 Stacking fault, 72 Stereotactic synthesis, 298, 309 Strain ageing, 87, 94 – 95, 104– 106, 130 hardening, 92 Bauschinger’s effect, 92 Strain-free lattice structure, 103, 105 Strain hardening, 77, 80, 87, 136, 271, 350 Stainless steel, 116, 144, 261, 265, 422, 447 applications of, 265 Stress relaxation, 145–146, 149 Stress rupture test, 142 Stretcher strain, 95 Subzero heat treatment, 246 Super alloy, 172, 283, 345 Super conductivity, 504 applications of, 505 Surface diffusion, 154, 176 Synthetic rubber, 286, 302, 307, 444 T Temper embrittlement, 130, 148, 229, 262 Tempering, 84, 97, 228–231, 245, 255, 260 Tension test, 108, 110 modulus of elasticity, 111 percentage elongation and, 110–111 reduction area and, 111 resilience, 112 tension strength for, 110 toughness and, 112–113 true stress–strain curve, 114 yield strength and, 109–110 Theoretical cohesive strength, 122–123, 126, 146, 149 Thermal conductivity, 268, 271, 410–41, 424 Thermal property, 404 temperature scale of, 404–405 Thermal shock, 270, 313, 322, 345, 409, 412, 416, 422–425 Thermal stress, 404, 409–410, 416–419, 423, 425 Thermoelectric, 450, 463, 470 Thomson model, 2, 15 Thomson, J.J., 1–2 Third close-packed plane, 71 Titanium alloy, 275, 281–282, 505 Toyota diffusion, 250–251, 255 Transformation toughening, 349–350 Transistor, 450, 459, 464–471 junctions and, 464 MOSFET, 465 types of, 464 Twinning plane, 79, 83 U Unit cell, 17–18, 20, 50, 54, 56, 60 monoatomic, 20, 247, 369 multiatomic, 20–21 V Varnish, 442–444 asphalt, 444 spirit, 444 Vector model, 2, 11, 15Index 535 Volume imperfection, 60, 82 Vulcanization, 285, 290, 296, 301–302, 307, 309 W Waspalloy, 277, 281, 283, 420 Wax, 444, 483, 485, 487 Weak electrostatic attraction, 28, 55 Weidemann–Franz law, 411, 422 Whisker, 60, 70, 82, 91, 123, 126, 338, 341, 344 Wrought aluminium alloy, 272–273, 279 Z Zinc, 17, 30, 32, 37, 56, 93, 95, 271, 275 coating of, 276 Zirconia, 171, 172, 174, 323, 326, 344, 351A Abrasive wear, 362, 364 Absorption, 172, 174, 463, 517, 519, 527 Adhesive, 27, 262, 285, 300, 305, 339, 362, 367, 374, 480 Aerospace technology, 466 Aircraft material, 278, 368 Alkyd, 300 Allotropy, 39 Alloy, 256, 259, 261 application of, 263–264 chromium,15, 17, 21, 30, 251, 257, 259, 261, 265 manganese, 20, 30, 54, 212, 231, 257, 263 miscellaneous, 261–263 molybdenum, 26, 30, 93,130, 144, 262, 338, 344 nickel, 26, 30, 93, 130, 144, 148, 259, 262 silicon, 13, 18, 21, 27, 30, 51, 56, 82, 147, 262, 280 steel, 260–261 types of, 256–257 Aluminum, 271 cast alloy, 256, 271, 275, 398 wrought alloy, 270–273, 279 Amphibole, 444 Annealing, 69, 73, 101, 105, 169, 172, 231, 238, 240, 252 process of, 239 diffusion annealing, 240, 254 spheroidize annealing, 239, 254 full annealing, 238 partial annealing, 238–239 Anti ferromagnetism, 495, 498, 506 Antimonide, 470 Aramid fibre, 285, 301, 307, 340, 342, 350 Asbestos, 340–341, 349, 442, 476, 483, 485 Atomic arrangement, 47, 51, 65 Atomic bonding, 17 Atomic diffusion, 152, 169, 190, 195 Atomic hard spheres model, 29 Atomic packing factor, 29, 48–49, 57, 416 Atomic structure, 1, 16, 18 relation with diffusion, 74, 94, 103, 106, 143, 152–153, 156 Atomic weight, 1 Average relative weight, 1 Avogadro’s number, 2, 14, 19, 36–39, 55, 63, 407, 495 B Bainite structure, 220–221, 233 Bakelite, 293–294, 300, 429, 473 Barium titanate, 482–483, 485, 487 Basis, 3, 20, 39, 87, 122, 270, 500 Bauschinger’s effect, 92 Bearing metal, 270, 277–278 Behaviour of dislocation, 69, 73 cross slip, 73, 75, 83–85, 135 dislocation climb, 74, 77, 83 dislocation pile up, 73, 75, 80, 83, 92, 105, 118 frank read source, 73, 77–78, 80, 104–105 glide motion, 73, 75 jogs, 73, 76 Binary amorphous alloy, 183–185 eutectic system, 190–192 lead–tin system, 192, 209 lever rule, 185–186, 192–194, 207, 210 Biomedical polymer, 305–307 Blue brittle region, 95 Bohr atomic model, 2, 4, 15 postulates of, 4 INDEX530 Index Bohr, Neil, 4 Boron nitride, 312, 326, 467 Bragg’s law, 51, 53, 55 Bravais, Miller, 41–42 Bravais crystal structure, 21 Burger’s circuit, 66, 85 Burger’s vector, 66, 85 C Carbon atom, 39, 56, 63, 97, 106, 321, 393 Cast iron, 110, 138, 200, 202, 208, 257, 265–270, 384, 393, 406, 415 Catalyst, 215, 231, 291, 295, 299, 301, 308, 340, 343, 369 Cation, 25 Cavity, 180, 212 Cement, 311, 323–324 Cementation, 250–251 Centrifugal force, 3, 15 Ceramic material, 26, 29, 311–313, 315, 317 classification of, 311–312 Chain stiffening, 295–296, 307, 309 Chloroprene rubber, 302 Clay, 294, 311–313, 319, 323, 441, 444 Cold work, 77, 87, 94, 98 Colourant, 295, 307, 330–331, 348 Commercial alloy, 235, 427 Composite material, 329, 331, 351, 441 types of, 329 Concrete, 99, 110, 311–312, 324–325, 331, 351, 415–418 Condensation polymerization, 293 Copolymerization, 292–293 Copper, 271, 279 Corrosion, 63, 70, 101, 132, 138, 146, 160, 378, 369 electrochemical process related to, 379–380 factors affecting, 394 fatigue and, 396 form of, 390 laws of, 385 rate of, 386 reaction of, 378–379 types of, 383–384 Corrosion fatigue, 138 Creep, 65, 75, 80, 95, 108, 140, 282, 345, 420 curve, 140–142 stress rupture test, 140, 142, 146 low-temperature and, 143 engineering creep data and, 143–144 resistant alloy in relation to, 144 Crevice, 390–392, 398–401 Critical resolved shear stress, 87, 89–91, 104–106 tensile test on single crystal, 91–92 Cross-linking, 290–291, 295–296, 299, 340, 416 Crystal structure, 17, 29 Crystalline solid, 17–18, 29, 50, 60, 154, 405 Crystallization, 61, 70, 295, 307, 315 Crystallographic direction, 39–41, 51, 55, 89, 414 Crystallographic orientation, 50, 80, 87 Crystallographic plane, 18, 39, 43–44, 55, 89, 136 D Dealloying, 390, 393, 400, 403 Decarburization, 137, 171, 176 Degree of polymerization, 285–286, 288, 306, 308, 310 mechanism of, 291, 309 Density, 17, 35–39, 48, 322, 408, 490, 524 Diamagnetism, 491–492, 506, 508 Diamond, 17, 26, 35, 39, 55, 89, 104, 117, 119, 312, 319 Dielectric material, 473–474, 478–480, 485, 487, 503 behavior of, 473 breakdown of, 481 loses of, 480 Diffusion, 74, 94, 106, 143, 152, 164, 246, 440, 466 interstitial, 155 vacancy diffusion or substitutional, 155 Diffusion couple, 152–154, 164, 173, 175–176 interstitial, 155–156, 246 law of, 159–160 type of, 155–156 vacancy, 155 Diffusion-controlled application, 169 annealing and normalizing, 169, 171–172 case carburization, 166, 169, 170, 174, 176 conducting ceramic, 169, 171, 176 decarburization, 137–138, 169, 171, 176Index 531 doping of semiconductor, 169, 171 moisture absorption and, 169, 172, 174, 306 optical fibre and, 169, 172, 174, 176, 524–525 sintering and, 169–170, 174, 176, 285, 321–322 turbine blade and, 131, 147, 172, 174, 213, 277, 396, 402 Diffusion flux, 159 Diffusion treatment, 246, 253 carbonitriding, 246, 248, 253, 255, 368, 377 carburizing, 138, 146, 148, 166, 176, 235, 246–247, 368 case depth, 171, 246–248, 251, 369 cyaniding, 246, 248, 253, 368, 377, 398 nitriding, 138, 148, 235, 246–248, 251, 375, 377, 398 Dipole moment, 475 Dispersion-strengthened composite, 332, 349– 351 Domain, 135, 482, 489, 495, 498, 506, 508 Doping, 171, 450 Driving force, 160 Dry corrosion, 378, 383, 386, 399–400, 402 E Elastomer, 147, 301–303, 307, 331, 341, 362, 415, 421 Electrical conductivity, 26, 166, 171, 174, 313, 319, 427, 462 Electrical resistivity, 438 Electrolyte, 368, 378, 382–384, 391,396, 399, 441, 446 Electromagnetic spectrum, 517, 519 characteristics of, 511 propagation in solid and, 515 waves in relation to, 3, 510, 513 Electron configuration, 2, 11–13, 15, 26, 427, 434 mobility of, 438, 449 Electronegativity, 64, 155 Electronic conduction, 408, 440, 448 microcircuit and, 18, 51 Electrostatic force, 4 End quench test, 243 Energy band, 433–435, 446, 448 Epoxy, 297, 300, 305, 308, 337, 339–340, 342, 346, 416, 443 F Fabrication technique, 256, 299, 329, 342 Fatigue, 65, 82, 95, 108, 131–132, 367, 369, 374, 396, 402, 421 crack initiation and propagation, 135 factor affecting fatigue behaviour, 137–139 factor for failure of, 132 S–N curve and, 133–134, 146 stress cycle, 132–133, 135–140, 396 understressing, 140 Fatigue strength, 134, 137, 148, 261, 273, 281 Ferrimagnetism, 491, 496, 500, 506, 508 Ferroelectricity, 481, 485–486 Ferromagnetic, 468, 494–495, 477–499, 506–507 FICK’S second law, 161, 163, 174, 176 Fluorescence, 520, 527 Formaldehyde, 290–291, 293–294, 297, 300, 308, 341, 416, 440, 476 Forward bias, 460–461, 464–465, 469, 470, 523 Fracture, 80, 105, 108, 110, 112,121–122 mechanics of, 123 Friction, 357–362 measurement of, 359–361 Fretting, 138, 149, 362–364, 374, 376 Frenkel defect, 62, 85 G Galling, 368, 375 Galvanic cell, 382–383, 398, 402 Galvanized steel, 278, 384 Gas hole, 212–213, 232 Glass, 280, 315–316, 340 structure of, 314 thermal behavior of, 316–317 Glide strain, 91 Graft copolymer, 297, 308 Grain boundary diffusion, 154 low-angle and, 60, 81, 85 Grain growth, 70, 83, 87, 101, 103, 105, 223, 261 Graphite, 17, 20, 22, 200–202, 208, 266, 313, 320, 384, 412 Griffith theory, 126 H Hall effect, 450, 455–456, 469, 471 Hardenability, 242–243, 248, 252, 254, 261532 Index Hardening, 240–242, 250, 252–253, 261, 324, 350, 361 methods of, 244 techniques of, 248–250 Hardness, 117–120, 147, 231, 235, 420 Brinell test, 117–119 dynamic, 117 indentation, 117 indentation, 117–121, 146, 150, 366 microhardness, 120, 149 rebound or dynamic, 117 Rockwell test, 120 scratch, 117, 362 superficial test, 120 Vickers’s test, 119 Heat capacity, 304, 404, 406–409, 422–424 Helium atom, 152 Heterogeneous, 93, 104, 197, 207, 209, 214–215 Hexagonal crystal, 41–43, 46, 55, 58–59 High-resistivity material, 430, 441, 445, 448 Homogeneous phase, 179, 207 Homopolymerization, 292, 307 Hough–Soderberg diagram, 139 Hybrid composite, 329, 346–347, 349, 351 Hydrocarbon molecule, 479 Hydrodynamic lubrication, 360, 371, 374, 376 Hydrogen atom, 2, 4, 7, 16, 26, 131, 285, 292, 382, 517 Hydrogen embrittlement, 131, 148, 258, 263, 275, 281, 390, 393 Hypothetical phase, 224 Hysteresis, 301, 303, 307, 496, 499–500, 506, 508 soft magnetic material and, 501 I Impact fracture testing, 128 transition, 129–130 Impurity diffusion, 152–153, 166, 171, 173, 176 Infrared detector, 450, 462–463, 467, 469, 471 Insulation, 443–448, 473, 481, 483, 485 antennas and, 442 Class I and Class II, 442–443 electrical apparatus and, 442 Interdiffusion, 153, 173 iron–carbon alloy, 227 bainite, 228 martensite, 228 pearlite, 227 spheroidite, 228 Iron carbon system, 178, 208 phases of Fe and Fe3C, 200–203 Isotopes, 1, 15, 19, 56, K Kirkendal effect, 173 Klystron, 510 L Large particle composite, 330–331, 349–351 Laser, 236, 248, 250, 253, 255, 450, 467, 520–521, 524 applications of, 523–524 carbon dioxide and, 523 dye, 523 HeNe, 522 properties of, 523 ruby and, 521 semiconductor and, 523 Latent heat, 181 Lattice, 17 Laws of diffusion, 159 Lubrication, 360, 374, 376 grease, 372 oil, 372 solid film lubricant, 373 Law of crystallization, 103 Lime, 238, 312, 318, 328, 410 Line defect, 65, 67, 85 Linear atomic density, 48 Luders’ band, 94, 104 Luminescence, 520 M Macrosegregation, 213 Magnesium alloy, 274, 280, 282 Magnetism, 488, 491 Magnetization curve, 491–492, 500, 502 Magnetostriction, 497, 506, 508 Martensitic transformation, 211, 222, 226, 230–231 Magnetic behaviour, 489, 491, 497 field vector and, 490Index 533 Maxwell, James Clark, 513 Metal matrix composite, 329, 338, 345, 349, 351 Mica, 445 Microelectronic circuitry, 450, 464, 466, 471 Microwave oven, 480 Molecular crystal, 21 Molecular structures, 26, 289, 291, 295, 301, 303, 331, 478 Molybdenum, 26, 30, 93, 130, 269, 276, 281, 312 Monocrystalline, 18 Multiphase transformation, 216 N Nickel alloy, 273–274, 279, 281, 332, 349, 384, 503–504 Non-ferrous alloy, 134, 256, 270, 279 Normalizing, 69, 169, 171, 227, 235, 240, 252–254 Nucleation, 135–136, 180, 182, 188, 214, 225, 231, 396 O Ohm’s law, 427 Optic communication system, 527 Organic materials, 82, 130, 354, 443, 467 monomers and, 286 types of, 285–286 Orthorhombic crystal, 50, 57 Oscillating electron, 18 Oxidation, 142, 172, 331, 380, 389, 391, 393, 401 Oxyacetylene gas, 370 P P aramagnetism, 491, 493, 506, 508 Pearlitic transformation, 217, 226, 231 coarse, 219 fine, 219 Perfluorobutyl ethyl cellulose1, 306 Peritectic reaction, 196–197 Phase diagram, 178, 209, 216, 224, 230, 236 binary, 183 Gibb’s phase rule, 199–200 multiphase, 183 ternary, 183 Phase transformation, 204, 211, 213–217, 231–233 types of, 214 Phosphorescence, 520, 527 Photo conductor, 450 Photoengraving, 466 Piezoelectricity, 482–483, 485–486 Pitting, 138, 273, 361, 391, 400, 403 Plain carbon steel, 95, 119, 248–250, 278, 385, 400 types of, 257 Plastic, 280, 299 thermoplastic, 299 thermosetting, 299 Point defect, 60–61, 63, 83, 95, 107 Schottky, 61 Frenkel, 62 Polymer, 286, 298, 304, 340, 397 additive in, 294–295 deformation of, 297 mechanical and thermal behavior of, 303–304 strengthening mechanism of, 295–297 types of, 287 Polycrystalline, 17–18, 50, 87, 338, 482 Polarization, 394–396, 400, 403, 487 electronic, 478 ionic, 478 orientation and, 479 Polymorphism, 39, 55, 57 Polyurethane, 303, 443 Primary interatomic bonding, 25–29 covalent bonding, 26 ionic bonding, 25 metallic bonding, 27 molecule, 28 Vander Waal’s bonding, 28 Q Quantum model, 11 R Radiography, 51 Recovery, 70, 87, 105–107, 143, 239, 304 Recrystallization, 70, 87, 96, 101–107, 142, 233, 239, 254, 275 Redistribution, 188, 195, 204, 292534 Index Refractory metal, 251, 270, 276, 281, 345, 349, 420 Reinforcement, 228, 325, 329–333, 338, 341, 345 Rubber, 172, 276, 280, 303, 307, 309, 374, 397 Rutherford’s nuclear model, 3 S Sacrificial polymer coating, 397 Scattering, 4, 408, 411–412, 427, 518, 527 Schottky defect, 61 Scratch, 69, 117, 138 Screw dislocation, 75–76, 83–84, 175 Scuffing, 252, 303, 362–363, 375 Semiconductor device, 87, 450, 459, 462 extrinsic, 453 intrinsic, 451 n–p-type, 455 n-type, 453–454 Segregation, 99, 130, 190, 213, 230, 232, 394 interdendritic, 213 Serpentine, 444 Silica, 39, 125, 150, 172, 175, 294, 312, 408, 412 Silicate, 150, 311–314, 378, 394, 443, 445 Siliconized grade, 320 Slip system, 72, 87, 89, 104–106 HCP crystal and, 89 Sommerfeld–Wilson atomic model, 2, 10, 15 Space lattice, 19–20, 22, 29, 40, 54, 56 Spheroidite, 221, 227–229, 233, 239 Stacking fault, 72 Stereotactic synthesis, 298, 309 Strain ageing, 87, 94 – 95, 104– 106, 130 hardening, 92 Bauschinger’s effect, 92 Strain-free lattice structure, 103, 105 Strain hardening, 77, 80, 87, 136, 271, 350 Stainless steel, 116, 144, 261, 265, 422, 447 applications of, 265 Stress relaxation, 145–146, 149 Stress rupture test, 142 Stretcher strain, 95 Subzero heat treatment, 246 Super alloy, 172, 283, 345 Super conductivity, 504 applications of, 505 Surface diffusion, 154, 176 Synthetic rubber, 286, 302, 307, 444 T Temper embrittlement, 130, 148, 229, 262 Tempering, 84, 97, 228–231, 245, 255, 260 Tension test, 108, 110 modulus of elasticity, 111 percentage elongation and, 110–111 reduction area and, 111 resilience, 112 tension strength for, 110 toughness and, 112–113 true stress–strain curve, 114 yield strength and, 109–110 Theoretical cohesive strength, 122–123, 126, 146, 149 Thermal conductivity, 268, 271, 410–41, 424 Thermal property, 404 temperature scale of, 404–405 Thermal shock, 270, 313, 322, 345, 409, 412, 416, 422–425 Thermal stress, 404, 409–410, 416–419, 423, 425 Thermoelectric, 450, 463, 470 Thomson model, 2, 15 Thomson, J.J., 1–2 Third close-packed plane, 71 Titanium alloy, 275, 281–282, 505 Toyota diffusion, 250–251, 255 Transformation toughening, 349–350 Transistor, 450, 459, 464–471 junctions and, 464 MOSFET, 465 types of, 464 Twinning plane, 79, 83 U Unit cell, 17–18, 20, 50, 54, 56, 60 monoatomic, 20, 247, 369 multiatomic, 20–21 V Varnish, 442–444 asphalt, 444 spirit, 444 Vector model, 2, 11, 15Index 535 Volume imperfection, 60, 82 Vulcanization, 285, 290, 296, 301–302, 307, 309 W Waspalloy, 277, 281, 283, 420 Wax, 444, 483, 485, 487 Weak electrostatic attraction, 28, 55 Weidemann–Franz law, 411, 422 Whisker, 60, 70, 82, 91, 123, 126, 338, 341, 344 Wrought aluminium alloy, 272–273, 279 Z Zinc, 17, 30, 32, 37, 56, 93, 95, 271, 275 coating of, 276 Zirconia, 171, 172, 174, 323, 326, 344, 351
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