Fatigue of Engineering Plastics |
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Page 10
... deformation is often inhomogeneous in nature . For example , different degrees of deformation occur in the amorphous and crystalline regions of semicrystalline polymers , and even in amorphous polymers , localized as well as general ...
... deformation is often inhomogeneous in nature . For example , different degrees of deformation occur in the amorphous and crystalline regions of semicrystalline polymers , and even in amorphous polymers , localized as well as general ...
Page 13
Richard W. Hertzberg, John A. Manson. 1.5 DEFORMATION AND FRACTURE MODES 1.5.1 Homogeneous Deformation and Fracture If the stress concentration at the tip of a crack or flaw is sufficiently high , the yield stress of the material may be ...
Richard W. Hertzberg, John A. Manson. 1.5 DEFORMATION AND FRACTURE MODES 1.5.1 Homogeneous Deformation and Fracture If the stress concentration at the tip of a crack or flaw is sufficiently high , the yield stress of the material may be ...
Page 17
... deformation . ( This is not to say that no reversible component exists in this region ; up to some point , even crazes may exhibit a high degree of reversibility [ 25 , p . 240 ; 66 ] . ) During such deformation , extensive coopera ...
... deformation . ( This is not to say that no reversible component exists in this region ; up to some point , even crazes may exhibit a high degree of reversibility [ 25 , p . 240 ; 66 ] . ) During such deformation , extensive coopera ...
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