Fatigue of Engineering Plastics |
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Page 85
... ( PVDF ) [ 34 ] showed no apparent sensitivity of fatigue crack propagation rate to test frequency . A sampling of such data is shown in Fig . 3.6 . Conflicting FCP results have been reported for nylon 66 by Arad et al . [ 42 , 43 ] and ...
... ( PVDF ) [ 34 ] showed no apparent sensitivity of fatigue crack propagation rate to test frequency . A sampling of such data is shown in Fig . 3.6 . Conflicting FCP results have been reported for nylon 66 by Arad et al . [ 42 , 43 ] and ...
Page 131
... PVDF 0.2 0.4 0.6 0.8 1.0 2 4 6 8 10 ΔΚ , ΜΡα ν = Fig . 3.35 Fatigue data for several polymeric solids . Note superior fatigue resistance in crystalline polymers ( Nylon 66 , ST801 , PA , PVDF ) . Epoxy ( A / E = 1.0 ) , PMMA ( M , 1.25 ...
... PVDF 0.2 0.4 0.6 0.8 1.0 2 4 6 8 10 ΔΚ , ΜΡα ν = Fig . 3.35 Fatigue data for several polymeric solids . Note superior fatigue resistance in crystalline polymers ( Nylon 66 , ST801 , PA , PVDF ) . Epoxy ( A / E = 1.0 ) , PMMA ( M , 1.25 ...
Page 137
... PVDF NYLON - 6,6 PC PVC ○ PPO CL - PET ABS PVC PMMA - B LDPE HIPS EPOXY PMMA - E PS CLPS 2 3 5 6 7 8 Kc ( MPavm ) = 4 Fig . 3.41 Relationship between AK * ( at da / dN 7.5 x 10 mm / cycle ) and K. , a measure of polymer fracture ...
... PVDF NYLON - 6,6 PC PVC ○ PPO CL - PET ABS PVC PMMA - B LDPE HIPS EPOXY PMMA - E PS CLPS 2 3 5 6 7 8 Kc ( MPavm ) = 4 Fig . 3.41 Relationship between AK * ( at da / dN 7.5 x 10 mm / cycle ) and K. , a measure of polymer fracture ...
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 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