Fatigue of Engineering Plastics |
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Page 52
... relative volume of heated material is high , as in the case of an unnotched sample experiencing large stress ( or strain ) excursions across the entire gauge section , thermal failure will occur . Con- versely , hysteretic heating ...
... relative volume of heated material is high , as in the case of an unnotched sample experiencing large stress ( or strain ) excursions across the entire gauge section , thermal failure will occur . Con- versely , hysteretic heating ...
Page 54
... relative to the other materials . Further- more , when constant stress tests are conducted , the relative fatigue ranking of different materials will depend upon the extent to which the test is con- ducted under isothermal or adiabatic ...
... relative to the other materials . Further- more , when constant stress tests are conducted , the relative fatigue ranking of different materials will depend upon the extent to which the test is con- ducted under isothermal or adiabatic ...
Page 222
... relative effect of temperature is not as consistent . Interestingly , the additional damping peaks , and hence the changes in them , are , however , more pronounced with PMMA than with PS . In any event , cycling appears to erase the ...
... relative effect of temperature is not as consistent . Interestingly , the additional damping peaks , and hence the changes in them , are , however , more pronounced with PMMA than with PS . In any event , cycling appears to erase the ...
Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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Common terms and phrases
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