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Full Description
Superalloys: Strengthening Behavior of Precipitating Phases covers the strengthening mechanisms associated with all types of precipitates that form in superalloys, synthesizing a vast body of literature on the strengthening behavior of these phases, with each chapter introducing fundamental metallurgical principles to help readers develop a clear understanding. The book provides an in-depth exploration of the deformation mechanisms of intermetallic phases in superalloys, focusing on the interaction between matrix dislocations and these phases. Chapter 1 provides an overview of superalloys, their classifications, compositions, and the various strengthening phases, also covering the reasons behind the varying strengthening behavior of different precipitates.
Chapter 2 lays the foundation for understanding deformation and strengthening mechanisms in metals and alloys. Chapters 3, 4, and 5 each focus on strengthening behavior and mechanisms of specific precipitates, γ', γ", and Ni2(Cr,Mo), respectively. Chapter 6 discusses the strengthening effects of the δ and η phases, which form at intermediate temperatures and play a crucial role in controlling grain size, enhancing creep, and fatigue resistance. Chapter 7 examines the role of other strengthening agents, including oxides, borides, and carbides that improve high-temperature strength by impeding dislocation motion and grain boundary sliding.
Contents
1. Fundamentals of Superalloys
2. Principles of Deformation and Strengthening
3. γ' Phase Precipitate
4. γ" Phase Precipitate
5. γ''' Phase Precipitate
6. δ and η Phase Precipitates
7. Non-Deformable Particles
Appendix A. Nominal Compositions of Superalloys
Appendix B. Mechanical Properties of Superalloys
Appendix C. The Thompson Tetrahedron
