Fatigue of Engineering Plastics |
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Page 1
... result of stressing over a period of time , is a very general phenomenon in most materials and even living organisms . * While the response to a monotonic stress , as in static creep rupture , may be considered as a limiting case , the ...
... result of stressing over a period of time , is a very general phenomenon in most materials and even living organisms . * While the response to a monotonic stress , as in static creep rupture , may be considered as a limiting case , the ...
Page 53
... result- ing stress range decreases , it has been suggested that the fatigue life be defined when the instantaneous stress level decreases to 70 % of its initial value . Note the similarity between this arbitrary failure criterion and ...
... result- ing stress range decreases , it has been suggested that the fatigue life be defined when the instantaneous stress level decreases to 70 % of its initial value . Note the similarity between this arbitrary failure criterion and ...
Page 187
... result in a combination of crazing and shear yielding in the matrix . The net result is that damage is highly delocalized , and much energy is therefore dissipated over a large volume . In addition , the growth of small crazes [ 13 ] is ...
... result in a combination of crazing and shear yielding in the matrix . The net result is that damage is highly delocalized , and much energy is therefore dissipated over a large volume . In addition , the growth of small crazes [ 13 ] is ...
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