Fatigue of Engineering Plastics |
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Page 79
... fracture toughness of the material . Under plane strain test conditions , the fracture toughness value takes on a special designation , Kic . Plane strain fracture toughness values are determined by adherence to specific test procedures ...
... fracture toughness of the material . Under plane strain test conditions , the fracture toughness value takes on a special designation , Kic . Plane strain fracture toughness values are determined by adherence to specific test procedures ...
Page 111
... fracture process may be consumed in changing the molecular conformation near the crack tip to a more ordered state ... toughness values as predicted by Wnuk [ 49 ] [ recall Eq . ( 3.14 ) ] . In fact , a consistent trend has been shown between ...
... fracture process may be consumed in changing the molecular conformation near the crack tip to a more ordered state ... toughness values as predicted by Wnuk [ 49 ] [ recall Eq . ( 3.14 ) ] . In fact , a consistent trend has been shown between ...
Page 213
... fracture toughness [ 50 , 53 ] ( see also Section 3.8.7 ) ; the relatively low values of toughness ( and fatigue re- sistance ) are undoubtedly partially responsible for the relatively short service lives of dental composites ( 1-4 yr ) ...
... fracture toughness [ 50 , 53 ] ( see also Section 3.8.7 ) ; the relatively low values of toughness ( and fatigue re- sistance ) are undoubtedly partially responsible for the relatively short service lives of dental composites ( 1-4 yr ) ...
Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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adhesive 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 flaw 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