Fatigue of Engineering Plastics |
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Page 88
... loading rates , the waveforms themselves possess different load - time integrated areas , thereby superimposing a creep effect on the fatigue process . Consequently , it is necessary to isolate load rate and load - time area changes ...
... loading rates , the waveforms themselves possess different load - time integrated areas , thereby superimposing a creep effect on the fatigue process . Consequently , it is necessary to isolate load rate and load - time area changes ...
Page 253
... loads [ 169 , 170 ] and various load sequences [ 171 ] and found to give predictions for unnotched specimens that agreed well with experiment . At the beginning of this discussion , it was pointed out that residual strength does not ...
... loads [ 169 , 170 ] and various load sequences [ 171 ] and found to give predictions for unnotched specimens that agreed well with experiment . At the beginning of this discussion , it was pointed out that residual strength does not ...
Page 257
... load con- trol ( see Fig . 5.52 ) . On the other hand , Reifsnider et al . [ 188 ] found that the damage ( as reflected in modulus decreases ) caused by cycling under load control was more severe , the lower the frequency . Inspection ...
... load con- trol ( see Fig . 5.52 ) . On the other hand , Reifsnider et al . [ 188 ] found that the damage ( as reflected in modulus decreases ) caused by cycling under load control was more severe , the lower the frequency . Inspection ...
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