Fatigue of Engineering Plastics |
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Page xv
... Kmax Kmin AK AKth AK * = creep compliance = = stress intensity factor fracture toughness maximum stress intensity factor minimum stress intensity factor = stress intensity factor range = = threshold stress intensity range AK for da / dN ...
... Kmax Kmin AK AKth AK * = creep compliance = = stress intensity factor fracture toughness maximum stress intensity factor minimum stress intensity factor = stress intensity factor range = = threshold stress intensity range AK for da / dN ...
Page 81
... Kmax Kmin ) , and A , m = f ( material variables , environment , frequency , temperature , stress ratio ) . Though many studies have verified the log - log linear relationship between da / dN and AK such as that shown in Fig . 3.5 for ...
... Kmax Kmin ) , and A , m = f ( material variables , environment , frequency , temperature , stress ratio ) . Though many studies have verified the log - log linear relationship between da / dN and AK such as that shown in Fig . 3.5 for ...
Page 235
... [ Kmax ( 1 − R ) ] = b [ KAKT , - max ( 5.4 ) where ȧ is the rate of crack growth per unit of time , b , c , and r are constants , R is the ratio of minimum to maximum stress , and Kmax = AKmax if Kmin ~ 0 . Results showed that c and r ...
... [ Kmax ( 1 − R ) ] = b [ KAKT , - max ( 5.4 ) where ȧ is the rate of crack growth per unit of time , b , c , and r are constants , R is the ratio of minimum to maximum stress , and Kmax = AKmax if Kmin ~ 0 . Results showed that c and r ...
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