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 64
3 Relation between Dislocation Width and Yield - Strength Temperature
Sensitivity Yield - Strength Material Crystal Type Dislocation Width Peierls Stress
Temperature Sensitivity Metal FCC Wide Very small Negligible Metal BCC
Narrow ...
3 Relation between Dislocation Width and Yield - Strength Temperature
Sensitivity Yield - Strength Material Crystal Type Dislocation Width Peierls Stress
Temperature Sensitivity Metal FCC Wide Very small Negligible Metal BCC
Narrow ...
Page 130
alt – T ; ) ? d Gb ( 4 - 10 ) After rearranging , T = Ti + kid - 1 / 2 ( 4 - 11 ) which is
the shear stress form of Eq . 4 - 7 . The Petch - Hall relation also characterizes
alloy yield strength in terms of other microstructural parameters such as the
pearlite ...
alt – T ; ) ? d Gb ( 4 - 10 ) After rearranging , T = Ti + kid - 1 / 2 ( 4 - 11 ) which is
the shear stress form of Eq . 4 - 7 . The Petch - Hall relation also characterizes
alloy yield strength in terms of other microstructural parameters such as the
pearlite ...
Page 279
4 , the damaging effect of an existing stress concentration depends strongly on
the material ' s ability to yield locally and thereby ... Obviously , any metallurgical
strengthening mechanism designed to increase yield strength will simultaneously
...
4 , the damaging effect of an existing stress concentration depends strongly on
the material ' s ability to yield locally and thereby ... Obviously , any metallurgical
strengthening mechanism designed to increase yield strength will simultaneously
...
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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