Fatigue of Engineering Plastics |
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Page 161
... cycles [ 25 , 31 ] . In connection with these observations , a second type of fatigue arrest lines was identified initially in PVC [ 32 , 33 ] and PC [ 34 ] but they did not correspond to the increment of crack growth resulting from a ...
... cycles [ 25 , 31 ] . In connection with these observations , a second type of fatigue arrest lines was identified initially in PVC [ 32 , 33 ] and PC [ 34 ] but they did not correspond to the increment of crack growth resulting from a ...
Page 170
... cycles per band decreases strongly with increasing stress intensity level . This most likely reflects the greater extent of specimen damage of each load cycle at higher AK levels . Note how the relative ranking of materials in terms of ...
... cycles per band decreases strongly with increasing stress intensity level . This most likely reflects the greater extent of specimen damage of each load cycle at higher AK levels . Note how the relative ranking of materials in terms of ...
Page 198
... cycles ( see discussion below ; improvement is more typical ) . The effects of tension - compression cycling between ... cycles . At this point the tensile stress , but not PEAK STRESS + σ 10 20 Tension 30 40 NUMBER OF CYCLES Compression ...
... cycles ( see discussion below ; improvement is more typical ) . The effects of tension - compression cycling between ... cycles . At this point the tensile stress , but not PEAK STRESS + σ 10 20 Tension 30 40 NUMBER OF CYCLES Compression ...
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