Fatigue of engineering plastics |
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Page 47
and a crack does not nucleate. While this reinforces the contention that thermal
failure is primarily associated with a rapid temperature rise occurring during the
latter stages of fatigue life, the use of fatigue data based on periodic rest period ...
and a crack does not nucleate. While this reinforces the contention that thermal
failure is primarily associated with a rapid temperature rise occurring during the
latter stages of fatigue life, the use of fatigue data based on periodic rest period ...
Page 51
To this extent, these results recognize thermal effects, but the overwhelming
effect of the notch on fatigue life proved to be negative. As Andrews [26] stated in
his review of fatigue in polymers, "It is obvious that a specimen containing stress
...
To this extent, these results recognize thermal effects, but the overwhelming
effect of the notch on fatigue life proved to be negative. As Andrews [26] stated in
his review of fatigue in polymers, "It is obvious that a specimen containing stress
...
Page 52
studies of certain impact-modified nylon 66 blends have shown considerable
crack tip temperature elevations that did not cause thermal melting but did have
an adverse effect on the material's resistance to fatigue crack growth (see Section
...
studies of certain impact-modified nylon 66 blends have shown considerable
crack tip temperature elevations that did not cause thermal melting but did have
an adverse effect on the material's resistance to fatigue crack growth (see Section
...
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Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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Common terms and phrases
adhesive amplitude ASTM ASTM STP Beardmore Bucknall carbon cfrp component Composite Materials composites constant crack growth rates crack length crack tip craze crystalline cyclic loading da/dN decrease deformation discontinuous growth bands discussed ductile 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 laminates loading cycles M. D. Skibo material matrix mean stress 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 semicrystalline shown in Fig specimen spherulite static stress intensity factor stress level striation studies temperature rise tensile test frequency thermal failure tion toughening unnotched values viscoelastic yield strength