Fatigue of Engineering Plastics |
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Page 22
... changes in the properties of the bulk material . Thus in the fatigue of several polymers at low stresses and strains , little or no effect on viscoelastic response has been noted by Kodama [ 106 ] and Murukami et al . [ 107 ] . At the ...
... changes in the properties of the bulk material . Thus in the fatigue of several polymers at low stresses and strains , little or no effect on viscoelastic response has been noted by Kodama [ 106 ] and Murukami et al . [ 107 ] . At the ...
Page 86
... changes in strain rate , it is appropriate to determine whether a material's FCP frequency sensitivity may be related to changes in strain rate associated with different cyclic frequencies . In this regard , Knauss and Dietman [ 46 ] ...
... changes in strain rate , it is appropriate to determine whether a material's FCP frequency sensitivity may be related to changes in strain rate associated with different cyclic frequencies . In this regard , Knauss and Dietman [ 46 ] ...
Page 87
... changes in cyclic test frequency . Clearly the recorded FSF values for these materials can not be rationalized on the basis of frequency - induced changes in elastic modulus . ( Some correlation , however , is to be noted for the case ...
... changes in cyclic test frequency . Clearly the recorded FSF values for these materials can not be rationalized on the basis of frequency - induced changes in elastic modulus . ( Some correlation , however , is to be noted for the case ...
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