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 |  موضوع: كتاب Welding Metallurgy Second Edition - Sindo Kou الثلاثاء 10 يوليو 2012, 12:27 am | |
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تذكير بمساهمة فاتح الموضوع : أخوانى فى الله
أحضرت لكم كتاب
Welding Metallurgy
Second Edition
Sindo Kou
Professor and Chair
Department of Materials Science and Engineering
University of Wisconsin
ويتناول الموضوعات الأتية :
I INTRODUCTION
Fusion Welding Processes
Overview
Oxyacetylene Welding
Shielded Metal Arc Welding
Gas–Tungsten Arc Welding
Plasma Arc Welding
Gas–Metal Arc Welding
Flux-Core Arc Welding
Submerged Arc Welding
Electroslag Welding
Electron Beam Welding
Laser Beam Welding
References
Further Reading
Problems
Heat Flow in Welding
Heat Source
Analysis of Heat Flow in Welding
Effect of Welding Parameters
Weld Thermal Simulator
References
Further Reading
Problems
Chemical Reactions in Welding
Overview
Gas–Metal Reactions
Slag–Metal Reactions
References
Further Reading
Problems
Fluid Flow and Metal Evaporation in Welding
Fluid Flow in Arcs
Fluid Flow in Weld Pools
Metal Evaporation
Active Flux GTAW
References
Further Reading
Problems
Residual Stresses, Distortion, and Fatigue
Residual Stresses
Distortion
Fatigue
Case Studies
References
Further Reading
Problems
II THE FUSION ZONE
Basic Solidification Concepts
Solute Redistribution during Solidification
Solidification Modes and Constitutional Supercooling
Microsegregation and Banding
Effect of Cooling Rate
Solidification Path
References
Further Reading
Problems
Weld Metal Solidification I: Grain Structure
Epitaxial Growth at Fusion Boundary
Nonepitaxial Growth at Fusion Boundary
Competitive Growth in Bulk Fusion Zone
Effect of Welding Parameters on Grain Structure
Weld Metal Nucleation Mechanisms
Grain Structure Control
References
Further Reading
Problems
Weld Metal Solidification II: Microstructure within Grains
Solidification Modes
Dendrite and Cell Spacing
Effect of Welding Parameters
Refining Microstructure within Grains
References
Further Reading
Problems
Post-Solidification Phase Transformations
Ferrite-to-Austenite Transformation in Austenitic Stainless
Steel Welds
Austenite-to-Ferrite Transformation in Low-Carbon,
Low-Alloy Steel Welds
References
Further Reading
Problems
Weld Metal Chemical Inhomogeneities
Microsegregation
Banding
Inclusions and Gas Porosity
Inhomogeneities Near Fusion Boundary
Macrosegregation in Bulk Weld Metal
References
Further Reading
Problems
Weld Metal Solidification Cracking
Characteristics, Cause, and Testing
Metallurgical Factors
Mechanical Factors
Reducing Solidification Cracking
Case Study: Failure of a Large Exhaust Fan
References
Further Reading
Problems
III THE PARTIALLY MELTED ZONE
Formation of the Partially Melted Zone
Evidence of Liquation
Liquation Mechanisms
Directional Solidification of Liquated Material
Grain Boundary Segregation
Grain Boundary Solidification Modes
Partially Melted Zone in Cast Irons
References
Problems
Difficulties Associated with the Partially Melted Zone
Liquation Cracking
Loss of Strength and Ductility
Hydrogen Cracking
Remedies
References
Problems
IV THE HEAT-AFFECTED ZONE
Work-Hardened Materials
Background
Recrystallization and Grain Growth in Welding
Effect of Welding Parameters and Process
References
Further Reading
Problems
Precipitation-Hardening Materials I: Aluminum Alloys
Background
Al–Cu–Mg and Al–Mg–Si Alloys
Al–Zn–Mg Alloys
Friction Stir Welding of Aluminum Alloys
References
Further Reading
Problems
Precipitation-Hardening Materials II: Nickel-Base Alloys
Background
Reversion of Precipitate and Loss of Strength
Postweld Heat Treatment Cracking
References
Further Reading
Problems
Transformation-Hardening Materials: Carbon and
Alloy Steels
Phase Diagram and CCT Diagrams
Carbon Steels
Low-Alloy Steels
Hydrogen Cracking
Reheat Cracking
Lamellar Tearing
Case Studies
References
Further Reading
Problems
Corrosion-Resistant Materials: Stainless Steels
Classification of Stainless Steels
Austenitic Stainless Steels
Ferritic Stainless Steels
Martensitic Stainless Steels
Case Study: Failure of a Pipe
References
Further Reading
Problems
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