Fatigue of Engineering Plastics |
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Page 120
... additions on FCP behavior in low - M PMMA ( L1H and L2H correspond to 1 and 2 % high - M additions , respectively ) ... addition of a high - M fraction in a low - M matrix polymer is consistent with the fatigue damage model ; 1.0 AK ...
... additions on FCP behavior in low - M PMMA ( L1H and L2H correspond to 1 and 2 % high - M additions , respectively ) ... addition of a high - M fraction in a low - M matrix polymer is consistent with the fatigue damage model ; 1.0 AK ...
Page 126
... addition of the external plasticizing agent DOP in PVC serves to introduce a low - M fraction to the polymer bulk . To be sure , the craze initiation process is made easier ( i.e. , the craze stress decreases ) but the FCP rates remain ...
... addition of the external plasticizing agent DOP in PVC serves to introduce a low - M fraction to the polymer bulk . To be sure , the craze initiation process is made easier ( i.e. , the craze stress decreases ) but the FCP rates remain ...
Page 175
... addition . AK = 0.32 MPa m1 / 2 . Clearly defined discontinuous growth bands observed ; ( b ) Low - M PMMA with 2 % high - M addition . AK 0.35 MPa m1 / 2 . Note absence of dis- continuous growth bands . Arrows indicate crack growth ...
... addition . AK = 0.32 MPa m1 / 2 . Clearly defined discontinuous growth bands observed ; ( b ) Low - M PMMA with 2 % high - M addition . AK 0.35 MPa m1 / 2 . Note absence of dis- continuous growth bands . Arrows indicate crack growth ...
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