Fatigue of Engineering Plastics |
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Page 17
... ( region II ) becomes nonlinear ; energy is still recoverable on release of the stress , but slowly ( anelastic response ) . Eventually , yield- ing occurs ( region III ) , accompanied by the onset of components of irre- versible ...
... ( region II ) becomes nonlinear ; energy is still recoverable on release of the stress , but slowly ( anelastic response ) . Eventually , yield- ing occurs ( region III ) , accompanied by the onset of components of irre- versible ...
Page 162
... region of the fracture surface where strong color fringes are found , i.e. , in the mirror - mist transition region ( see Sec- tion 4.1 ) , serves to separate these two major sets of fatigue markings . There- fore , discontinuous growth ...
... region of the fracture surface where strong color fringes are found , i.e. , in the mirror - mist transition region ( see Sec- tion 4.1 ) , serves to separate these two major sets of fatigue markings . There- fore , discontinuous growth ...
Page 178
... region , that the discontinuous growth bands change abruptly to another series of parallel bands shown in Fig . 4.27 ... region and beneath the rough but transparent surface of the mist region . This indicates that these bands represent ...
... region , that the discontinuous growth bands change abruptly to another series of parallel bands shown in Fig . 4.27 ... region and beneath the rough but transparent surface of the mist region . This indicates that these bands represent ...
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