Fatigue of Engineering Plastics |
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Page 17
... exists in this region ; up to some point , even crazes may exhibit a high degree of reversibility [ 25 , p . 240 ... exist for analysis ; moreover , the role of local hysteretic heating un- doubtedly constitutes a severe complication ...
... exists in this region ; up to some point , even crazes may exhibit a high degree of reversibility [ 25 , p . 240 ... exist for analysis ; moreover , the role of local hysteretic heating un- doubtedly constitutes a severe complication ...
Page 22
... exist , for volume and enthalpy may relax at dif- ferent rates [ 112 ] . ) Thus it seems likely that some kind of mechanical condi- tioning is involved in such cases ; for additional evidence of conditioning during repetitive strain ...
... exist , for volume and enthalpy may relax at dif- ferent rates [ 112 ] . ) Thus it seems likely that some kind of mechanical condi- tioning is involved in such cases ; for additional evidence of conditioning during repetitive strain ...
Page 55
... exist with respect to the specific shape of these data plots , the overall trend of cyclic softening is clearly evident . Four distinct regions are identified for the case of PC ( Fig . 2.15a ) . The incubation stage is believed to be ...
... exist with respect to the specific shape of these data plots , the overall trend of cyclic softening is clearly evident . Four distinct regions are identified for the case of PC ( Fig . 2.15a ) . The incubation stage is believed to be ...
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