Fatigue of Engineering Plastics

addition applied associated bands behavior changes component composites constant corresponding crack growth rate crack tip craze curve cycles cyclic da/dN damage decrease deformation depend discontinuous discussed effect energy engineering examined example exist expected experiments fact factor failure fatigue crack fatigue crack propagation FCP rates fibers fracture fracture surface frequency function given greater higher important increase initial involving J. A. Manson limits loading lower material matrix mean mechanical metals modulus molecular notched noted nylon 66 observed occur plastic PMMA polymeric polymers polystyrene possible properties R. W. Hertzberg range region relationship relative reported resistance respect response rise rubber samples sensitivity shear showed significant similar Skibo solids specimen static strain strength stress stress intensity striations structure studies temperature tensile thermal tion toughness values volume yield York zone