Fatigue of Engineering Plastics |
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Page 29
... increasing stress concentrations and by inhibiting molecular orientation that would increase strength . Con- versely , an increase in molecular weight should permit the establishment of a more stable entanglement network that could ...
... increasing stress concentrations and by inhibiting molecular orientation that would increase strength . Con- versely , an increase in molecular weight should permit the establishment of a more stable entanglement network that could ...
Page 109
... Increase [ 32 , 33 , 60 ] PMMA High M ; cast Increase [ 60 ] PVC Molded ; M - 96,000 Increase [ 60 ] PVC Molded ; M - 141,000 Increase [ 60 ] PVC Molded ; M - 220,000 Increase [ 60 ] Epoxy Amine / epoxy - 1.8 / 1 Increase [ 60 ] Epoxy ...
... Increase [ 32 , 33 , 60 ] PMMA High M ; cast Increase [ 60 ] PVC Molded ; M - 96,000 Increase [ 60 ] PVC Molded ; M - 141,000 Increase [ 60 ] PVC Molded ; M - 220,000 Increase [ 60 ] Epoxy Amine / epoxy - 1.8 / 1 Increase [ 60 ] Epoxy ...
Page 125
... increased from 0 to 10 to 20 % . The reason for this discrepancy is not known , though the 40 - fold lower cyclic test frequency used by Suzuki et al . may have introduced a creep cracking component that would be expected to increase at ...
... increased from 0 to 10 to 20 % . The reason for this discrepancy is not known , though the 40 - fold lower cyclic test frequency used by Suzuki et al . may have introduced a creep cracking component that would be expected to increase at ...
Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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Common terms and phrases
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