✍ Scribed by Professor Taira Suzuki, Professor Shin Takeuchi, Professor Hideo Yoshinaga (auth.)
No coin nor oath required. For personal study only.
In the 1950s the direct observation of dislocations became possible, stimulat ing the interest of many research workers in the dynamics of dislocations. This led to major contributions to the understanding of the plasticity of various crys talline materials. During this time the study of metals and alloys of fcc and hcp structures developed remarkably. In particular, the discovery of the so-called in ertial effect caused by the electron and phonon frictional forces greatly influenced the quantitative understanding of the strength of these metallic materials. Statis tical studies of dislocations moving through random arrays of point obstacles played an important role in the above advances. These topics are described in Chaps. 2-4. Metals and alloys with bcc structure have large Peierls forces compared to those with fcc structure. The reasons for the delay in studying substances with bcc structure were mostly difficulties connected with the purification techniques and with microscopic studies of the dislocation core. In the 1970s, these difficulties were largely overcome by developments in experimental techniques and computer physics. Studies of dislocations in ionic and covalent bonding materials with large Peierls forces provided infonnation about the core structures of dislocations and their electronic interactions with charged particles. These are the main subjects in Chaps. 5-7.
Front Matter....Pages I-X
Dislocations and Their Fundamental Properties....Pages 1-12
Motion of Dislocations in Soft Metals....Pages 13-31
Dislocation Motion in the Field of a Random Distribution of Point Obstacles: Solution Hardening....Pages 32-46
Dislocation Dynamics and Strength of Crystalline Materials....Pages 47-62
Dislocation Motion Controlled by the Peierls Mechanism....Pages 63-76
Dislocations in bcc Metals and Their Motion....Pages 77-98
Dislocation Motion in Semiconducting Crystals....Pages 99-119
High-Temperature Deformation of Metals and Alloys....Pages 120-156
High-Temperature Deformation Mechanism in Metals and Alloys....Pages 157-197
High-Temperature Deformation Mechanism in Composite Materials....Pages 198-212
Back Matter....Pages 213-228
Mechanics;Characterization and Evaluation of Materials;Acoustics;Condensed Matter Physics
📜 SIMILAR VOLUMES
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<p>The book gives an overview of the dynamic behavior of dislocations and its relation to plastic deformation. It introduces the general properties of dislocations and treats the dislocation dynamics in some detail. Finally, examples are described of the processes in different classes of materials,
1. Introduction.- 2. Experimental methods.- 3. Properties of dislocations.- 4. Dislocation motion.- 5. Dislocation kinetics, work-hardening and recovery.- 6. Semiconductors.- 7. Ceramic single crystals.- 8. Metallic alloys.- 9. Intermetallic alloys.- 10. Quasicrystals.- 11. Conclusion
<P><STRONG>Applied Elasticity and Plasticity</STRONG> is a comprehensive work that introduces graduate students and professionals in civil, mechanical, aeronautical and metallurgical engineering to the basic theories of elasticity, plasticity and their practical applications. Based on experimental d