Fatigue of Engineering Plastics |
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Page 62
Richard W. Hertzberg, John A. Manson. spherulite nucleation while spherulite growth kinetics remained essentially unchanged ; this , in turn , led to the development of a polymer internal structure composed of both finer and more uniform ...
Richard W. Hertzberg, John A. Manson. spherulite nucleation while spherulite growth kinetics remained essentially unchanged ; this , in turn , led to the development of a polymer internal structure composed of both finer and more uniform ...
Page 133
... spherulite size on fatigue response was noted . For further discussion of the effect of spherulite size on fatigue resistance see Section 3.9 . 3.8.6 Effect of Thermal History on FCP It is well recognized that thermal history ( e.g. ...
... spherulite size on fatigue response was noted . For further discussion of the effect of spherulite size on fatigue resistance see Section 3.9 . 3.8.6 Effect of Thermal History on FCP It is well recognized that thermal history ( e.g. ...
Page 139
... spherulite diameter . Consequently , fatigue life should improve with de- creasing spherulite size . This may be a contributing factor to account for the improved FCP resistance of impact - modified nylon 66 relative to nylon 66 [ 80 ] ...
... spherulite diameter . Consequently , fatigue life should improve with de- creasing spherulite size . This may be a contributing factor to account for the improved FCP resistance of impact - modified nylon 66 relative to nylon 66 [ 80 ] ...
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