Fatigue of Engineering Plastics |
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Page 168
... strength computed from the Dugdale formulation ry π K2 8 02 max ys ( 4.5 ) would correspond to the tensile stress for craze yielding in the respective polymers [ notice that Eq . ( 4.5 ) differs little from Eq . ( 4.1 ) ] , where r , is ...
... strength computed from the Dugdale formulation ry π K2 8 02 max ys ( 4.5 ) would correspond to the tensile stress for craze yielding in the respective polymers [ notice that Eq . ( 4.5 ) differs little from Eq . ( 4.1 ) ] , where r , is ...
Page 252
... strength , without reference to a single crack . Assuming that the rate of strength decrease over time was inversely proportional to some power of the residual strength . and taking into account the distribution of static strengths ...
... strength , without reference to a single crack . Assuming that the rate of strength decrease over time was inversely proportional to some power of the residual strength . and taking into account the distribution of static strengths ...
Page 292
... strength , 186 isothermal fatigue test , 47 mean stress sensitivity , 109 waveform sensitivity , 88 Ethylene ... strength , 186 High - impact nylon 66 , FCP , 93–96 , 131 FCP mean stress sensitivity , 109 sensitivity to second phase ...
... strength , 186 isothermal fatigue test , 47 mean stress sensitivity , 109 waveform sensitivity , 88 Ethylene ... strength , 186 High - impact nylon 66 , FCP , 93–96 , 131 FCP mean stress sensitivity , 109 sensitivity to second phase ...
Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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ASTM ASTM STP Bucknall carbon cfrp component composites constant crack growth rate crack length crack tip craze crystalline cyclic loading da/dN decrease deformation discontinuous growth bands discussed ductile dynamic mechanical effect elastic elastic modulus energy epoxy fatigue behavior fatigue crack growth fatigue crack propagation fatigue failure fatigue fracture fatigue tests FCP behavior FCP rates fibers fracture mechanics fracture surface fracture toughness frequency sensitivity hysteresis hysteretic heating increase J. A. Manson Kambour Kmax laminates loading cycles M. D. Skibo material matrix mean stress mm/cycle modulus molecular weight notched nylon 66 plastic zone PMMA polyacetal polycarbonate polymeric solids polystyrene properties PVDF R. W. Hertzberg Rabinowitz rubber S-N curve samples Section shear shown in Fig specimen spherulite static strain stress intensity factor stress level striations studies temperature rise tensile test frequency thermal failure tion toughening unnotched values viscoelastic yield strength ΔΚ