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
... temperature . At low temperatures , where thermal enhancement of dislocation motion is limited , the Peierls stress is large . In crystals that have wide dislocations , however , the increase in Peierls stress with decreasing temperature ...
... temperature . At low temperatures , where thermal enhancement of dislocation motion is limited , the Peierls stress is large . In crystals that have wide dislocations , however , the increase in Peierls stress with decreasing temperature ...
Page 378
... Temperature 3 FIGURE 9.4 Charpy impact energy versus temperature behavior for several engineer- ing alloys.3 ( Reprinted by permission of the American Society for Testing and Materials from copyright material . ) defined at the 13.5 ...
... Temperature 3 FIGURE 9.4 Charpy impact energy versus temperature behavior for several engineer- ing alloys.3 ( Reprinted by permission of the American Society for Testing and Materials from copyright material . ) defined at the 13.5 ...
Page 551
... temperature rise per unit time as ΔΙ = πƒJ " ( f , T ) σ2 pcp ( 12-14 ) where At = temperature change / unit time p = density = Cp specific heat Ср Equation 12-14 is useful in identifying the major variables associated with hyster- etic ...
... temperature rise per unit time as ΔΙ = πƒJ " ( f , T ) σ2 pcp ( 12-14 ) where At = temperature change / unit time p = density = Cp specific heat Ср Equation 12-14 is useful in identifying the major variables associated with hyster- etic ...
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addition alloy aluminum alloy applied stress associated ASTM atoms behavior brittle ceramics Chapter Charpy component composite crack extension crack growth crack length crack tip craze creep rate crystal curve cyclic decrease depends determined dislocation ductility elastic embrittlement engineering example factor failure fiber FIGURE flaw fracture mechanics fracture surface fracture toughness given grain boundaries hardening hydrogen increasing initial KIEAC lattice load maraging steels martensite material material's matrix Metals Park microstructure microvoid modulus notch Note occur oriented parameter particles phase plane plane-strain plastic deformation plastic zone plate polymer polymeric region relative Reprinted with permission result rupture sample screw dislocation Section shear stress shown in Fig solid solution specimen stacking fault energy steel alloys strain rate stress concentration stress field stress intensity stress level stress-strain stress-strain curve superalloys tensile stress test temperature thermal thickness toughening Trans transition temperature twinning values yield strength