Fatigue of Engineering Plastics |
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Page 67
... mean stress on fatigue life of polystyrene has been examined by Sauer et al . [ 61 ] . By conducting tests under constant stress amplitude at varying mean stress and constant maximum stress with varying mean and alternating stress test ...
... mean stress on fatigue life of polystyrene has been examined by Sauer et al . [ 61 ] . By conducting tests under constant stress amplitude at varying mean stress and constant maximum stress with varying mean and alternating stress test ...
Page 108
... mean stress levels as a function of ( a ) AK and ( b ) 2. Note the superior correlation with AK . [ Reprinted with permission from Crit . Rev. Macromol . Sci . 1 ( 4 ) , 1973 , 433. Copyright The Chemical Rubber Co. , CRC Press , Inc ...
... mean stress levels as a function of ( a ) AK and ( b ) 2. Note the superior correlation with AK . [ Reprinted with permission from Crit . Rev. Macromol . Sci . 1 ( 4 ) , 1973 , 433. Copyright The Chemical Rubber Co. , CRC Press , Inc ...
Page 111
... mean stress level . This totally unexpected finding may be due to permanent cyclically induced reconditioning of the polymer crack - tip sub- structure . Therefore , the strain energy that is ... Mean Stress and Load History on FCP 111.
... mean stress level . This totally unexpected finding may be due to permanent cyclically induced reconditioning of the polymer crack - tip sub- structure . Therefore , the strain energy that is ... Mean Stress and Load History on FCP 111.
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