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Welding Metallurgy and Weldability of Nickel-Base Alloys describes the fundamental metallurgical principles that control the microstructure and properties of welded Ni-base alloys. It serves as a practical how-to guide that enables engineers to select the proper alloys, filler metals, heat treatments, and welding conditions to ensure...
Welding Metallurgy and Weldability of Nickel-Base Alloys describes the fundamental metallurgical principles that control the microstructure and properties of welded Ni-base alloys. It serves as a practical how-to guide that enables engineers to select the proper alloys, filler metals, heat treatments, and welding conditions to ensure that failures are avoided during fabrication and service. Chapter coverage includes:
With its excellent balance between the fundamentals and practical problem solving, the book serves as an ideal reference for scientists, engineers, and technicians, as well as a textbook for undergraduate and graduate courses in welding metallurgy.
1.1 Ni-base Alloy Classification.
1.2 History of Nickel and Ni-base Alloys.
1.3 Corrosion Resistance.
1.4 Nickel Alloy Production.
2. Alloying Additions, Phase Diagrams, and Phase Stability.
2.2 General Influence of Alloying Additions.
2.3 Phase Diagrams for Solid-Solution Alloys.
2.4 Phase Diagrams for Precipitation Hardened Alloys—γ' Formers.
2.5 Phase Diagrams for Precipitation-Hardened Alloys—γ" Formers.
2.6 Calculated Phase Stability Diagrams.
2.7 PHACOMP Phase Stability Calculations.
3. Solid-Solution Strengthened Ni-base Alloys.
3.1 Standard Alloys and Consumables.
3.2 Physical Metallurgy and Mechanical Properties.
3.3 Welding Metallurgy.
3.4 Mechanical Properties of Weldments.
3.6 Corrosion Resistance.
3.7 Case Studies.
4. Precipitation Strengthened Ni-base Alloys.
4.1 Standard Alloys and Consumables.
4.2 Physical Metallurgy and Mechanical Properties.
4.3 Welding Metallurgy.
4.4 Mechanical Properties of Weldments.
5. Oxide Dispersion Strengthened Alloys and Nickel Aluminides.
5.1 Oxide Dispersion Strengthened Alloys.
5.2 Nickel Aluminide Alloys.
6. Repair Welding of Ni-base Alloys.
6.1 Solid-Solution Strengthened Alloys.
6.2 Precipitation Strengthened Alloys.
6.3 Single Crystal Superalloys.
7. Dissimilar Welding.
7.1 Application of Dissimilar Welds.
7.2 Influence of Process Parameters on Fusion Zone Composition.
7.3 Carbon, Low Alloys and Stainless Steels.
7.4 Postweld Heat Treatment Cracking in Stainless Steels Welded with Ni-base Filler Metals.
7.5 Super Austenitic Stainless Steels.
7.6 Dissimilar Welds in Ni-base Alloys - Effect on Corrosion Resistance.
7.7 9%Ni Steels.
7.8 Super Duplex Stainless Steels.
7.9 Case Studies.
8. Weldability Testing.
8.2 The Varestraint Test.
8.3 Modified Cast Pin Tear Test.
8.4 The Sigmajig Test.
8.5 The Hot Ductility Test.
8.6 The Strain-to-Fracture Test.
8.7 Other Weldability Tests.
Appendix A Composition of Wrought and Cast Nickel-Base Alloys.
Appendix B Composition of Nickel and Nickel Alloy Consumables.
Appendix C Corrosion Acceptance Testing Methods.
Appendix D Etching Techniques for Ni-base Alloys and Welds.