Fatigue of Engineering Plastics |
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Page 67
... plates is discussed in Section 3.7 . As a final note , Sauer et al . [ 61 ] found that their specimens exhibited almost an order of magnitude greater fatigue life than that reported by Rabinowitz et al . [ 33 ] W for the same mean and ...
... plates is discussed in Section 3.7 . As a final note , Sauer et al . [ 61 ] found that their specimens exhibited almost an order of magnitude greater fatigue life than that reported by Rabinowitz et al . [ 33 ] W for the same mean and ...
Page 139
... plate is to be fabricated from any one of several polymers . If the plate were to TABLE 3.7 Computed Fatigue Lives of Plastic Plates " Material Polystyrene Final crack length ( cm ) Fatigue life ( no . of cycles ) ( M = 2.7 × 105 ) 7.25 ...
... plate is to be fabricated from any one of several polymers . If the plate were to TABLE 3.7 Computed Fatigue Lives of Plastic Plates " Material Polystyrene Final crack length ( cm ) Fatigue life ( no . of cycles ) ( M = 2.7 × 105 ) 7.25 ...
Page 140
... plate from 2.5 cm to the critical size for that material . Note that the tolerable flaw size varies dramatically from one engineering plastic to another , reflecting considerable differences in fracture toughness . Also , the cyclic ...
... plate from 2.5 cm to the critical size for that material . Note that the tolerable flaw size varies dramatically from one engineering plastic to another , reflecting considerable differences in fracture toughness . Also , the cyclic ...
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