Fatigue of Engineering Plastics |
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Page 51
... notch on fatigue life proved to be negative . As Andrews [ 26 ] stated in his review of fatigue in polymers , " It is obvious that a specimen containing stress concentrations ( e.g. , at notches or holes ) will fail more readily than ...
... notch on fatigue life proved to be negative . As Andrews [ 26 ] stated in his review of fatigue in polymers , " It is obvious that a specimen containing stress concentrations ( e.g. , at notches or holes ) will fail more readily than ...
Page 225
... notch lowered the static tensile strength , to about 40 and 90 % of the original value for sharp and dull notches ... notch . Thus , while with some composites cycling may 30 201 σ MPO 10 ( a ) 100 10 5.3 . Fibrous Composites 225.
... notch lowered the static tensile strength , to about 40 and 90 % of the original value for sharp and dull notches ... notch . Thus , while with some composites cycling may 30 201 σ MPO 10 ( a ) 100 10 5.3 . Fibrous Composites 225.
Page 254
... notches and holes of various kinds in cfrp , found evidence for both stable crack growth and notch sensitivity . Owen and Bishop [ 178 ] also studied the ability of holes to initiate damage and found variable effects on residual ...
... notches and holes of various kinds in cfrp , found evidence for both stable crack growth and notch sensitivity . Owen and Bishop [ 178 ] also studied the ability of holes to initiate damage and found variable effects on residual ...
Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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Common terms and phrases
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