Fatigue of Engineering Plastics |
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Page 23
... Ductility When stressed , polymers exhibit behavior ranging from a ductile to a brittle ( yielding and flow versus facile crack initiation and propagation , respectively ) response . The external factors favoring yielding have already ...
... Ductility When stressed , polymers exhibit behavior ranging from a ductile to a brittle ( yielding and flow versus facile crack initiation and propagation , respectively ) response . The external factors favoring yielding have already ...
Page 293
... ductile - brittle behavior , 24 impact strength , 186 S - N curve , 39 Polyacetal , ductile - brittle behavior , 24 change - over stress , 49 discontinuous growth band , 165–170 FCP AK curve , 131 molecular weight sensitivity , 116 ...
... ductile - brittle behavior , 24 impact strength , 186 S - N curve , 39 Polyacetal , ductile - brittle behavior , 24 change - over stress , 49 discontinuous growth band , 165–170 FCP AK curve , 131 molecular weight sensitivity , 116 ...
Page 294
... ductile - brittle be- havior , 24 FCP AK curve , 82 , 131 frequency sensitivity , 83-87 mean stress sensitivity , 109 impact strength , 186 S - N curve , 39 Poly ( phenylene sulfide ) , S - N curve , 224 Polypropylene , ductile ...
... ductile - brittle be- havior , 24 FCP AK curve , 82 , 131 frequency sensitivity , 83-87 mean stress sensitivity , 109 impact strength , 186 S - N curve , 39 Poly ( phenylene sulfide ) , S - N curve , 224 Polypropylene , ductile ...
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