Fatigue of Engineering Plastics |
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Page 112
... similar overload studies in PMMA and PC and found similar fracture phenomena . For example , they found when PMMA was cycled at a AK level of 0.5 MPa m1 / 2 and then overloaded five times at 1.0 MPa m1 / 2 , that the crack arrested for ...
... similar overload studies in PMMA and PC and found similar fracture phenomena . For example , they found when PMMA was cycled at a AK level of 0.5 MPa m1 / 2 and then overloaded five times at 1.0 MPa m1 / 2 , that the crack arrested for ...
Page 158
... similar to that found in metal samples and indicates the crack propagation direction ( see arrows in Fig . 4.6 ) . An understanding of fatigue fracture surface micromorphology in crys- talline polymers has received limited attention to ...
... similar to that found in metal samples and indicates the crack propagation direction ( see arrows in Fig . 4.6 ) . An understanding of fatigue fracture surface micromorphology in crys- talline polymers has received limited attention to ...
Page 222
... similar , one might expect the thermal stresses and the associated restrained volume elements of the matrix to be similar . An ex- planation may be suggested , however , based on recent observations of 100 Stress amplitude MN / m2 50 ...
... similar , one might expect the thermal stresses and the associated restrained volume elements of the matrix to be similar . An ex- planation may be suggested , however , based on recent observations of 100 Stress amplitude MN / m2 50 ...
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