Mechanical Behavior of Materials |
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Page 392
... stress levels below those required to propagate fracture , and this is true at very low temperatures as well as at ... stress level is through fracture mechanism maps . These are to fracture as deformation mechanism maps ( cf. Chap . 7 ) ...
... stress levels below those required to propagate fracture , and this is true at very low temperatures as well as at ... stress level is through fracture mechanism maps . These are to fracture as deformation mechanism maps ( cf. Chap . 7 ) ...
Page 393
... stress levels and strain rates . The only low - temperature fracture mode manifested by nickel is ductile transgranular fracture , which occurs at stress levels above the tensile strength and below those necessitated for dynamic ...
... stress levels and strain rates . The only low - temperature fracture mode manifested by nickel is ductile transgranular fracture , which occurs at stress levels above the tensile strength and below those necessitated for dynamic ...
Page 406
... stress level , cracks below a certain size will not propagate spontaneously because the surface energy dominates the total crack energy ; that is , the system energy increases with crack extension . On the other hand , cracks above a ...
... stress level , cracks below a certain size will not propagate spontaneously because the surface energy dominates the total crack energy ; that is , the system energy increases with crack extension . On the other hand , cracks above a ...
Contents
B Creep Fracture | 37 |
3 | 76 |
Plastic Deformation in Single and Polycrystalline | 137 |
Copyright | |
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alloys applied approximately associated atomic behavior bonding brittle caused composite considerations considered containing crack crack tip craze creep creep rate critical crystal crystalline curve cyclical decreases deformation depends described determined developed diffusion direction discussed dislocation displacement distance ductile effect elastic embrittlement energy example extension failure fatigue fiber FIGURE flow force fraction fracture function given glass grain boundaries greater growth hardening high-temperature higher illustrated increases initial leads length less load material matrix maximum mechanism metals microscopic Mode neck normal nucleation observed obstacles obtained occurs particle phase plane plastic plastic deformation polymers produce propagation reduced region relative resistance result schematically shear shown in Fig shows similar slip solid Stage steel strain rate strength strengthening structure surface takes place temperature tensile toughness transition typically values variation void volume yield