Fatigue of Engineering Plastics |
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Page 29
... function of elongation , the rheological state becomes unstable , and the material becomes more prone to fracture [ 78 ] ; the greater the drop in stress during drawing , the greater the instability . For the attainment of maximum ...
... function of elongation , the rheological state becomes unstable , and the material becomes more prone to fracture [ 78 ] ; the greater the drop in stress during drawing , the greater the instability . For the attainment of maximum ...
Page 99
... function of temperature , they showed that △ K was a minimum at about – 50 ° C for both of these materials ( Fig . 3.14 ) . Kic was also shown to be a minimum at this temperature . Skibo [ 55 ] examined the fatigue behavior of PC and ...
... function of temperature , they showed that △ K was a minimum at about – 50 ° C for both of these materials ( Fig . 3.14 ) . Kic was also shown to be a minimum at this temperature . Skibo [ 55 ] examined the fatigue behavior of PC and ...
Page 252
... function was required to obtain the best fit for their data on carbon- fiber / epoxy laminates . A three - parameter function was also described by Yang and Liu [ 166 ] , and a modified Weibull function has been proposed by Nakayasu ...
... function was required to obtain the best fit for their data on carbon- fiber / epoxy laminates . A three - parameter function was also described by Yang and Liu [ 166 ] , and a modified Weibull function has been proposed by Nakayasu ...
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