Fatigue of Engineering Plastics |
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Page 158
... striation curvature is similar to that found in metal samples and indicates the crack propagation direction ( see ... striations . Such is not the case , however , as shown by the lack of correlation between the fracture line widths ...
... striation curvature is similar to that found in metal samples and indicates the crack propagation direction ( see ... striations . Such is not the case , however , as shown by the lack of correlation between the fracture line widths ...
Page 162
... striations and the larger discontinuous crack growth bands . Some useful information in this regard can be obtained from optical microscope studies . For example , it is generally found , at least in homogene- ous amorphous polymers ...
... striations and the larger discontinuous crack growth bands . Some useful information in this regard can be obtained from optical microscope studies . For example , it is generally found , at least in homogene- ous amorphous polymers ...
Page 167
... striations . In fact , some of the striation data shown in Figs . 4.7 and 4.8 were obtained from the very same samples that displayed DG bands . By contrast , the fracture surfaces in polyacetal and ABS were generally cloudier in ...
... striations . In fact , some of the striation data shown in Figs . 4.7 and 4.8 were obtained from the very same samples that displayed DG bands . By contrast , the fracture surfaces in polyacetal and ABS were generally cloudier in ...
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