Fatigue of Engineering Plastics |
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Page 57
... strain response of a material since it may be quite different from the initial monotonic response . For the case of cyclic strain , the fatigue and overall mechanical response of a given engineering component will be more accurately ...
... strain response of a material since it may be quite different from the initial monotonic response . For the case of cyclic strain , the fatigue and overall mechanical response of a given engineering component will be more accurately ...
Page 58
... strain range to the largest . The resulting stress - strain curve then represents an envelope of stabilized stress range values associated with the various applied strain ranges . By initiating the test with the maximum strain amplitude ...
... strain range to the largest . The resulting stress - strain curve then represents an envelope of stabilized stress range values associated with the various applied strain ranges . By initiating the test with the maximum strain amplitude ...
Page 59
... Strain ( % ) ( a ) CYCLIC STRESS ( kal ) MONOTONIC 8 3 2- 1 STRESS ( KSI ) Cyclic - tension Monotonic - tension 2 3 4 5 6 7 8 STRAIN ( % ) 9 10 12 13 14 ( b ) Cyclic Tensile 2 4 6 STRAIN ( % ) 8 10 12 6 8 STRAIN ( % ) 10 12 ( c ) ( d ) ...
... Strain ( % ) ( a ) CYCLIC STRESS ( kal ) MONOTONIC 8 3 2- 1 STRESS ( KSI ) Cyclic - tension Monotonic - tension 2 3 4 5 6 7 8 STRAIN ( % ) 9 10 12 13 14 ( b ) Cyclic Tensile 2 4 6 STRAIN ( % ) 8 10 12 6 8 STRAIN ( % ) 10 12 ( c ) ( d ) ...
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