Fatigue of Engineering Plastics |
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Page 115
... stress equal to the yield strength of the material [ 121 , 122 ] . Also , the model is concerned with conditions of plane stress where σ = 0 ( see Fig . 3.2 ) . As oz such , the model describes the condition associated with craze ...
... stress equal to the yield strength of the material [ 121 , 122 ] . Also , the model is concerned with conditions of plane stress where σ = 0 ( see Fig . 3.2 ) . As oz such , the model describes the condition associated with craze ...
Page 148
... yield strength Oys , Eq . ( 4.2 ) can be used to estimate the stress level associated with a specific shear lip width . More recently , this analytical procedure has been extended to the analysis of polymer fatigue fracture surfaces ...
... yield strength Oys , Eq . ( 4.2 ) can be used to estimate the stress level associated with a specific shear lip width . More recently , this analytical procedure has been extended to the analysis of polymer fatigue fracture surfaces ...
Page 168
... yield strength computed from the Dugdale formulation ry π K2 8 02 max ys ( 4.5 ) would correspond to the tensile stress for craze yielding in the respective polymers [ notice that Eq . ( 4.5 ) differs little from Eq . ( 4.1 ) ] , where ...
... yield strength computed from the Dugdale formulation ry π K2 8 02 max ys ( 4.5 ) would correspond to the tensile stress for craze yielding in the respective polymers [ notice that Eq . ( 4.5 ) differs little from Eq . ( 4.1 ) ] , where ...
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