Fatigue of Engineering Plastics |
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Page 24
... transition in impact strength ( from low to high values ) and a temperature corresponding closely to the temperature of a major damping peak ( below room temperature ) , at a frequency of about 10 Hz . Similar observations have since ...
... transition in impact strength ( from low to high values ) and a temperature corresponding closely to the temperature of a major damping peak ( below room temperature ) , at a frequency of about 10 Hz . Similar observations have since ...
Page 43
... temperature rise per unit time as noted in Eq . ( 2.5 ) . ΔΙ = ( 2.5 ) where A is the temperature change / unit time ... transition temperature after a relatively small change at lower temperatures . Consequently , it would be expected ...
... temperature rise per unit time as noted in Eq . ( 2.5 ) . ΔΙ = ( 2.5 ) where A is the temperature change / unit time ... transition temperature after a relatively small change at lower temperatures . Consequently , it would be expected ...
Page 91
... temperature and frequency ) and other characteristics of the ẞ - transition . As discussed by Oberst [ 70 ] , Heijboer [ 71 , 72 ] , Boyer [ 73 ] , and Vincent [ 74 ] , impact strength often undergoes a transition in the region of the ẞ ...
... temperature and frequency ) and other characteristics of the ẞ - transition . As discussed by Oberst [ 70 ] , Heijboer [ 71 , 72 ] , Boyer [ 73 ] , and Vincent [ 74 ] , impact strength often undergoes a transition in the region of the ẞ ...
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