Fatigue of Engineering Plastics |
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Page 47
... failures in the materials examined ( occurring at very low - frequency fatigue testing condition ) could be simulated by isothermal high - frequency fatigue tests so as to avoid the thermal failure mechanism . Broutman and Gaggar [ 19 ] ...
... failures in the materials examined ( occurring at very low - frequency fatigue testing condition ) could be simulated by isothermal high - frequency fatigue tests so as to avoid the thermal failure mechanism . Broutman and Gaggar [ 19 ] ...
Page 51
... fail more readily than one which is uniformly stressed . " The danger in application of thermal arguments alone in the explanation of fatigue failure in polymers is , thus , clearly evident . A paper by Constable , Williams , and Burns ...
... fail more readily than one which is uniformly stressed . " The danger in application of thermal arguments alone in the explanation of fatigue failure in polymers is , thus , clearly evident . A paper by Constable , Williams , and Burns ...
Page 52
... thermal failure should depend on the ratio of material volume experiencing maximum hysteretic heating as compared to the total volume of the test sample . When the relative volume of heated material is high , as in the case of an ...
... thermal failure should depend on the ratio of material volume experiencing maximum hysteretic heating as compared to the total volume of the test sample . When the relative volume of heated material is high , as in the case of an ...
Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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adhesive 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 flaw 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