Fatigue of Engineering Plastics |
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Page 43
... Note the strong similarity between Eqs . ( 2.3 ) and ( 2.5 ) . The temperature rise for a given load cycle , based on these relationships , is not absolutely correct since the simplified relationships do not account for heat losses to ...
... Note the strong similarity between Eqs . ( 2.3 ) and ( 2.5 ) . The temperature rise for a given load cycle , based on these relationships , is not absolutely correct since the simplified relationships do not account for heat losses to ...
Page 48
... note that some samples failed by mechanical processes and others by melting . This is clearly evident from the results shown in Fig . 2.10 . The curve at the right corresponds to mechanical failures in numerous polyacetal samples cycled ...
... note that some samples failed by mechanical processes and others by melting . This is clearly evident from the results shown in Fig . 2.10 . The curve at the right corresponds to mechanical failures in numerous polyacetal samples cycled ...
Page 135
... ( Note that Q1 was greatest at an annealing temperature of 120 ° C while AK , was lowest at this same temperature . ) Thus as ordering increases and free volume is decreased , the ability to relax within the time scale of a stress cycle ...
... ( Note that Q1 was greatest at an annealing temperature of 120 ° C while AK , was lowest at this same temperature . ) Thus as ordering increases and free volume is decreased , the ability to relax within the time scale of a stress cycle ...
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 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