Fatigue of Engineering Plastics |
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Page 244
... cfrp , up to about 75 × 10o psi ( 500 GPa ) ( see Section 5.3.1 ) . Much of the early work on fatigue was performed by British groups , and has been reviewed by Owen [ 69 ] . Most of the tests were run in tension using uniaxially ...
... cfrp , up to about 75 × 10o psi ( 500 GPa ) ( see Section 5.3.1 ) . Much of the early work on fatigue was performed by British groups , and has been reviewed by Owen [ 69 ] . Most of the tests were run in tension using uniaxially ...
Page 253
... cfrp [ 92 , 128 , 139 , 155 , 165 ] . For example , Wu [ 92 ] has shown evidence for increases in fracture toughness in a unidirectional composite and has proposed that slightly misaligned fibers may span the growing crack and hinder ...
... cfrp [ 92 , 128 , 139 , 155 , 165 ] . For example , Wu [ 92 ] has shown evidence for increases in fracture toughness in a unidirectional composite and has proposed that slightly misaligned fibers may span the growing crack and hinder ...
Page 254
... cfrp composites . Sturgeon [ 155 ] observed that a central hole in a 0 ± 45 cfrp reduced the monotonic strength to 76 % , of the integral material , but had little effect on fatigue life ( in zero- tension tests ) other than an increase ...
... cfrp composites . Sturgeon [ 155 ] observed that a central hole in a 0 ± 45 cfrp reduced the monotonic strength to 76 % , of the integral material , but had little effect on fatigue life ( in zero- tension tests ) other than an increase ...
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