Fatigue of Engineering Plastics |
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Page 78
... depends upon the size of the plastic zone relative to the component thickness and actual crack length . For example , plane strain fracture con- ditions are considered to be present when the plastic zone size [ computed from Eq . ( 3.6 ) ...
... depends upon the size of the plastic zone relative to the component thickness and actual crack length . For example , plane strain fracture con- ditions are considered to be present when the plastic zone size [ computed from Eq . ( 3.6 ) ...
Page 119
... depends predominantly on the fracture resistance of the fibrils that contain a pre- ponderance of high M ... depend on one of the higher - average molecular weights such as M , as op- posed to M. For example , it was shown that the value ...
... depends predominantly on the fracture resistance of the fibrils that contain a pre- ponderance of high M ... depend on one of the higher - average molecular weights such as M , as op- posed to M. For example , it was shown that the value ...
Page 138
... depends on knowledge of such variables as the applied stress range , the stress inten- sity calibration factor Y ... depend markedly on the initial defect size but not on the final flaw size . From the above , it is important for one to ...
... depends on knowledge of such variables as the applied stress range , the stress inten- sity calibration factor Y ... depend markedly on the initial defect size but not on the final flaw size . From the above , it is important for one to ...
Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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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