Fatigue of Engineering Plastics |
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Page 54
... Hardening ΑΛΛΑ Strain Control Cyclic Softening Stress Response Hysteresis Loops σ ww.g Fig . 2.14 Cyclic hardening and cyclic softening under reversed strains . [ Reprinted from P. Beardmore and S. Rabinowitz , " Treatise on Materials ...
... Hardening ΑΛΛΑ Strain Control Cyclic Softening Stress Response Hysteresis Loops σ ww.g Fig . 2.14 Cyclic hardening and cyclic softening under reversed strains . [ Reprinted from P. Beardmore and S. Rabinowitz , " Treatise on Materials ...
Page 55
... harden- ing and softening of the material . In addition , polymeric solids also undergo molecular orientation hardening , involving realignment of individual mole- cules and their entanglements . In this regard , it has been found that ...
... harden- ing and softening of the material . In addition , polymeric solids also undergo molecular orientation hardening , involving realignment of individual mole- cules and their entanglements . In this regard , it has been found that ...
Page 64
... harden the material [ 53 ] . No hardening was observed with initially dry samples . Bareishis and Stinskas [ 53 ] also noticed that some of the hardening found in moisture - containing samples was related to cyclic stress - induced ...
... harden the material [ 53 ] . No hardening was observed with initially dry samples . Bareishis and Stinskas [ 53 ] also noticed that some of the hardening found in moisture - containing samples was related to cyclic stress - induced ...
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