Mechanical Behavior of Materials |
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Page 597
... stress - strain behavior in the next section . But first , two example problems . EXAMPLE PROBLEM 12.2 . Use the ... amplitude of 200 MPa for 105 cycles followed by a stress amplitude of 100 MPa for 10 ' cycles ; ( ii ) stress amplitude ...
... stress - strain behavior in the next section . But first , two example problems . EXAMPLE PROBLEM 12.2 . Use the ... amplitude of 200 MPa for 105 cycles followed by a stress amplitude of 100 MPa for 10 ' cycles ; ( ii ) stress amplitude ...
Page 600
... Stress amplitude vs. number of cycles for " history - independent " materials . The steady - state stress amplitude for an initially hard ( e.g. , cold - worked ) alloy that cycli- cally softens is the same as that of an initially soft ...
... Stress amplitude vs. number of cycles for " history - independent " materials . The steady - state stress amplitude for an initially hard ( e.g. , cold - worked ) alloy that cycli- cally softens is the same as that of an initially soft ...
Page 613
Thomas H. Courtney. Stress amplitude → As noted , materials manifesting shear - band - related DCG exhibit several ... stress amplitudes , first EDCG happens and then fatigue - crack growth is accomplished only in the presence of shear ...
Thomas H. Courtney. Stress amplitude → As noted , materials manifesting shear - band - related DCG exhibit several ... stress amplitudes , first EDCG happens and then fatigue - crack growth is accomplished only in the presence of shear ...
Contents
Overview of Mechanical Behavior | 1 |
Toughening Mechanisms and the Physics of Fracture | 10 |
A The Tension Test B StrainRate Sensitivity C Yielding Under | 28 |
Copyright | |
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alloys applied stress behavior bonding brittle Burgers vector ceramics Chap CHAPTER Coble creep composite crack growth crack propagation crack tip creep fracture creep rate Crystalline Materials cubic curve cyclical decreases diffusional discussed dislocation density dislocation line dislocation motion displacement ductile ductile fracture edge dislocation embrittlement energy equation example fatigue fiber Figure flow stress Fracture Mechanics fracture toughness glass grain boundaries hardening high-temperature increases initial length linear elastic loading low-temperature martensite material's matrix mechanism map microscopic MN/m² Mode modulus nucleation obstacles particle phase plastic deformation plastic flow plastic strain polycrystalline polycrystals polymers precipitation Prob ratio region result Schematic screw dislocation SECTION shear stress shown in Fig single crystal slip direction slip plane slip systems solids solute atom steel strain rate strengthening stress levels stress-strain structure superplastic surface takes place temperature tensile strength tensile stress tion toughening transition viscoelastic volume fraction yield strength