Mechanical Behavior of Materials |
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Page 81
... displacement across the planes is shown in Fig . 3.1b . When the atoms in the upper plane have been displaced by one - half of their transit distance ( b / 2 ) , the crystal energy is at a maximum and atoms in the upper plane are , in ...
... displacement across the planes is shown in Fig . 3.1b . When the atoms in the upper plane have been displaced by one - half of their transit distance ( b / 2 ) , the crystal energy is at a maximum and atoms in the upper plane are , in ...
Page 89
... displacement of each atomic column with respect to the grid is plotted as a function of distance along the slip plane . The distance over which the displacement changes from -b / 2 to + b / 2 defines the dislocation width . This is ...
... displacement of each atomic column with respect to the grid is plotted as a function of distance along the slip plane . The distance over which the displacement changes from -b / 2 to + b / 2 defines the dislocation width . This is ...
Page 128
... displacement of the top plane of the crystal relative to the bottom one . This displacement is the sum of the displacements of all of the individual dislocations , i.e. , A = A ,, where A , represents an individual dislocation displacement ...
... displacement of the top plane of the crystal relative to the bottom one . This displacement is the sum of the displacements of all of the individual dislocations , i.e. , A = A ,, where A , represents an individual dislocation displacement ...
Contents
Elastic Behavior | 46 |
Plastic Deformation in Single and Polycrystalline | 137 |
Strengthening of Crystalline Materials | 162 |
Copyright | |
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alloys applied approximately associated atomic behavior bonding brittle caused composite considerations considered containing crack crack tip creep creep rate critical crystal curve cyclical decreases deformation depends described determined developed diffusion direction discussed dislocation displacement distance ductile effect elastic embrittlement energy engineering example failure fatigue fiber FIGURE flow force fraction fracture function given glass grain boundaries greater growth hardening high-temperature higher illustrated increases initial lead length less load material matrix maximum mechanism metals microscopic Mode normal observed obstacles obtained occurs particle phase plane plastic polymers produce propagation reduced region relative resistance result schematically shear shear stress shown in Fig shows similar slip slip plane solid Stage steel strain rate strength strengthening structure surface takes place temperature tensile toughness transition typically values variation void volume yield