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 |  موضوع: كتاب Practical Fracture Mechanics in Design 2nd ed الجمعة 05 يوليو 2013, 10:57 am | |
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تذكير بمساهمة فاتح الموضوع :أخوانى فى الله
أحضرت لكم كتاب
Practical Fracture Mechanics in Design 2nd ed
A Series of Textbooks and Reference Books
Founding Editor
L. L. Faulkner
Columbus Division, Battelle Memorial Institute
and Department of Mechanical Engineering
The Ohio State University
Columbus, Ohio
ويتناول الموضوعات الأتية :
1 Historical Developments in Fracture Mechanics and Overview 1
Early foundations of strength of material concepts 2
Development of concept of stresses 3
Development of modern fracture mechanics 5
Basic concepts of stress and strain 9
Theory of elasticity 17
Strength theories and design 21
Symbols 23
References 23
2 Stress and Energy Criteria and Fracture 27
Effects of geometry 27
Inglis theory of stress 28
Advent of the energy concept 31
Griffith theory of fracture 33
Concept of stress intensity 36
Plane-strain fracture toughness 39
Variation of basic parameters 42
Symbols 46
References 47
3 Calculation of Stress Intensity 49
Center crack 49
Double-edge crack 54
Single-edge crack 56
Collapse Stress 56
Round hole with cracks 60
Elliptical notches with cracks 62
Edge-notched beams 70
Flaws in tension 76
Superposition of stress intensity factors 83
Special cases of stress intensity 86
Closing remarks 99
Symbols 101
References 102
4 Test and Analysis of Fracture Toughness 105
Overview of theory and practice 105
Constraint and thickness 107
Testing of fracture toughness 116
Determination of LEFM parameters 124
Correlation techniques 138
Symbols 145
References 146
5 Crack Mechanics 149
General comment 149
Surface and corner cracks 150
Elements of fatigue technology 153
Initiation of fracture 164
Crack propagation 171
Special effects 180
Design procedures 186
Symbols 203
References 204
6 Elements of Structural Integrity 209
Ductile and brittle fracture 209
Transition temperature approach 219
Lower-bound stress in design 228
Crack behavior in weld regions 234
Criteria of leak-before-break 245
Plane stress and plastic behavior 251
CTOD 256
Environmental effects 258
LEFM 266
Symbols 267
References 269
7 Experimental Determination of Stress Intensity Factor KI 273
General comment 273
Strain gage method 273
Optical method of photoelasticity 277
Shadow method of caustics 279
Fiber-optic sensors and fracture mechanics 282
Discussion 291
Symbols 292
References 293
8 Dynamic Fracture 295
Determination of dynamic initiation toughness 296
Crack propagation 303
Crack arrest 306
Symbols 310
References 311
9 Fracture Toughness of Fiber Reinforced Composites 313
Introduction 313
Measures of fracture toughness for composites 313
Experimental measurement of fracture toughness 318
Symbols 333
References 334
10 Post Mortem Failure Analysis 337
Fractography 337
Optical microscopy 338
Scanning electron microscopy 338
Transmission electron microscopy (TEM) 339
Interpretation of fracture surface features 339
Symbols 347
References 348
11 Case Studies 349
Typical structural failures in service 349
Crane retrofit and materials control 370
Integrity of underground structures 389
Lessons from structural failures 403
Symbols 416
References 416
12 Introductory Fracture Control 419
Historical perspective 419
Analytical options of fracture control and failure review 424
Practical elements of fracture control 433
Limitations and errors 449
Symbols 456
References 457
13 Design Considerations 459
Basic characteristics 459
Selected formulas and definitions 461
Special problems 473
Engineering materials 494
Glossary of terms and fundamentals 500
Symbols 505
References
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