Fatigue of Engineering Plastics |
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Page 81
... crack growth rate per cycle da / dN is determined from such a curve at any value of crack length by graphical procedures or by computation . For most specimen configurations , the crack growth rate increases with increasing crack length ...
... crack growth rate per cycle da / dN is determined from such a curve at any value of crack length by graphical procedures or by computation . For most specimen configurations , the crack growth rate increases with increasing crack length ...
Page 112
... on the fracture , signifying crack surface interference . Similar results were reported for tests conducted with PC , though the extent of crack growth delay in PC and PMMA was found to be less 112 3. Fatigue Crack Propagation.
... on the fracture , signifying crack surface interference . Similar results were reported for tests conducted with PC , though the extent of crack growth delay in PC and PMMA was found to be less 112 3. Fatigue Crack Propagation.
Page 162
... 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 , that the discontinuous crack growth bands ...
... 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 , that the discontinuous crack growth bands ...
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