## Deformation and Fracture Mechanics of Engineering MaterialsUpdated to reflect recent developments in our understanding of deformation and fracture processes in structural materials. This completely revised reference includes new sections on isostress analysis, modulus of rupture, creep fracture micromechanicsms, and many more. |

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Page 149

As one might expect , é , is seen to increase with increasing number of grain

boundaries ( i . e . , smaller grain size ) . A closely related diffusional creep

process

boundaries .

As one might expect , é , is seen to increase with increasing number of grain

boundaries ( i . e . , smaller grain size ) . A closely related diffusional creep

process

**described**by Coble26 involves atomic or ionic diffusion along grainboundaries .

Page 182

MW Rather than referring to a molecular weight distribution curve to describe the

character of a polymer , it is often more convenient to think in terms of an average

molecular weight M . Such a value can be

MW Rather than referring to a molecular weight distribution curve to describe the

character of a polymer , it is often more convenient to think in terms of an average

molecular weight M . Such a value can be

**described**in a number of ways , but ...Page 427

This may be

of stress levels in the block loading spectrum i = ith stress level n ; = number of

cycles applied at 0 ; N ; = fatigue life at 0 ; Equation 12 - 8 is the work of Palmgren

...

This may be

**described**in more general form by ( 12 - 8 ) i = 1 where k = numberof stress levels in the block loading spectrum i = ith stress level n ; = number of

cycles applied at 0 ; N ; = fatigue life at 0 ; Equation 12 - 8 is the work of Palmgren

...

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### Contents

ELEMENTS OF DISLOCATION THEORY | 39 |

SLIP IN CRYSTALLINE SOLIDS | 71 |

DEFORMATION TWINNING | 101 |

Copyright | |

14 other sections not shown

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### Common terms and phrases

addition alloy aluminum American Society applied associated atoms behavior boundary caused Chapter component Consequently considered constant controlled crack growth crack length crack tip creep crystal curve cycles cyclic decreasing defined deformation depends described determined developed direction discussed dislocation effect elastic energy engineering environment example factor failure fatigue fatigue crack FIGURE flaw fracture surface fracture toughness given grain grain boundary greater growth rate hardening important increasing initial involving lattice limit load lower material mechanism Metals normal notch Note observed occur orientation plane plastic plate polymer produce propagation properties range region relationship relative represents Reprinted with permission response result sample seen sensitivity shear showing shown in Fig slip solution specimen steel strain stress intensity stress level structure surface Table temperature tensile thickness Trans twin values yield strength zone