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 466
1 STRESS AND CRACK LENGTH CORRELATIONS WITH FCP Crack
propagation data may be obtained from a number of specimens such as many of
those shown in Fig . 8 . 7 . Starting with a mechanically sharpened crack , cyclic
loads are ...
1 STRESS AND CRACK LENGTH CORRELATIONS WITH FCP Crack
propagation data may be obtained from a number of specimens such as many of
those shown in Fig . 8 . 7 . Starting with a mechanically sharpened crack , cyclic
loads are ...
Page 470
4 Crack length versus time plots revealing crack growth rate behavior in 7079 -
T6 aluminum alloy . ( a ) Linear load shedding to achieve constant net section
stress ; ( b ) load shedding to achieve constant AK conditions . Note constant
growth ...
4 Crack length versus time plots revealing crack growth rate behavior in 7079 -
T6 aluminum alloy . ( a ) Linear load shedding to achieve constant net section
stress ; ( b ) load shedding to achieve constant AK conditions . Note constant
growth ...
Page 471
Crack length Time ( hr ) Specimen center line Specimen edge Initial stress 48 +
48 MPa ( 7 + 7 ksi ) Average crack propagation rate da = 607 um / cyc Edge of
center notch 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Length
...
Crack length Time ( hr ) Specimen center line Specimen edge Initial stress 48 +
48 MPa ( 7 + 7 ksi ) Average crack propagation rate da = 607 um / cyc Edge of
center notch 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Length
...
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Contents
ELEMENTS OF DISLOCATION THEORY | 39 |
Chapter 3 | 93 |
DEFORMATION TWINNING | 101 |
Copyright | |
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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