Fatigue of Engineering Plastics |
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Page 85
... frequency sensitivity factor ( FSF ) , defined as the multiple by which the FCP rate changes per decade change in test frequency , is listed for several polymers in Table 3.1 . ( When the FCP plots at different frequencies were not ...
... frequency sensitivity factor ( FSF ) , defined as the multiple by which the FCP rate changes per decade change in test frequency , is listed for several polymers in Table 3.1 . ( When the FCP plots at different frequencies were not ...
Page 90
... frequency as a test variable . A critical observation has been made that the frequency sensitivity factor ( FSF ) for a given polymer ( Table 3.1 ) depends strongly on the frequency of movement of main chain segments ( i.e. , the jump ...
... frequency as a test variable . A critical observation has been made that the frequency sensitivity factor ( FSF ) for a given polymer ( Table 3.1 ) depends strongly on the frequency of movement of main chain segments ( i.e. , the jump ...
Page 91
... frequency ) and other characteristics of the B - transition . As discussed by Oberst [ 70 ] , Heijboer [ 71 , 72 ] , Boyer [ 73 ] , and Vincent [ 74 ] , impact strength often ... frequency comparable 3.4 . Effect of Test Frequency on FCP 91.
... frequency ) and other characteristics of the B - transition . As discussed by Oberst [ 70 ] , Heijboer [ 71 , 72 ] , Boyer [ 73 ] , and Vincent [ 74 ] , impact strength often ... frequency comparable 3.4 . Effect of Test Frequency on FCP 91.
Contents
Fatigue Crack Propagation | 74 |
Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |
Composite Systems | 184 |
Copyright | |
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adhesive 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 flaw 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