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 286
Critical temperature difference for crack instability - - - Crack length resulting from
unstable crack with lo < lm 100 NE - - - - - - - - - Critical temperature difference AT
( ta ? E / 2yyž H - B 10 - 2 lo LLLLLC " 10 - 1 lm lm 1 lf Crack length ( l ) FIGURE ...
Critical temperature difference for crack instability - - - Crack length resulting from
unstable crack with lo < lm 100 NE - - - - - - - - - Critical temperature difference AT
( ta ? E / 2yyž H - B 10 - 2 lo LLLLLC " 10 - 1 lm lm 1 lf Crack length ( l ) FIGURE ...
Page 355
rising load conditions , it is possible for the material to experience slow stable
crack extension prior to failure , which makes it difficult to determine the maximum
stressintensity level at failure because the final crack length is uncertain . During
...
rising load conditions , it is possible for the material to experience slow stable
crack extension prior to failure , which makes it difficult to determine the maximum
stressintensity level at failure because the final crack length is uncertain . During
...
Page 595
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 ...
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addition alloy aluminum applied associated atoms behavior brittle ceramics Chapter component composite constant contains corresponding crack creep critical crystal curve decrease defined deformation depends described determined developed direction discussed dislocation edge effect elastic embrittlement energy engineering example factor failure fiber FIGURE fracture fracture surface fracture toughness given grain boundaries greater growth important increasing initial involves Kıc lattice length load lower material matrix maximum mechanisms Metals modulus necessary normal notch Note occur orientation parallel particles permission phase plane plastic plate polymer produce properties reduced region relation relative represents Reprinted resistance respectively response result revealing rupture sample shear showing shown in Fig slip Society solid solution specimen steel strain strength strengthening stress stress level structure surface Table temper temperature tensile thermal thickness toughness transition twin values volume yield strength