Fatigue of Engineering Plastics |
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Page 8
... range △ o ( or strain range △ ɛ ) is plotted against the num- ber of cycles to failure ( on a logarithmic scale ) . For obvious reasons curves of this type have long been used by the design engineer , who after all may not care to ...
... range △ o ( or strain range △ ɛ ) is plotted against the num- ber of cycles to failure ( on a logarithmic scale ) . For obvious reasons curves of this type have long been used by the design engineer , who after all may not care to ...
Page 59
... range of applied plastic strain with a relation of the form Δε , Να = C , ( 2.8 ) where Aɛ is the plastic strain range , N the cyclic life , a equals 0.5-0.7 for metals , and C is the constant , related to the true fracture strain in ...
... range of applied plastic strain with a relation of the form Δε , Να = C , ( 2.8 ) where Aɛ is the plastic strain range , N the cyclic life , a equals 0.5-0.7 for metals , and C is the constant , related to the true fracture strain in ...
Page 83
... range the fatigue crack growth rate range in natural rubber could be expressed in terms of the energy parameter 7 by an equation of the form da / dN AAT " = ( 3.12 ) where da / dN is the crack growth rate per cycle , A the material ...
... range the fatigue crack growth rate range in natural rubber could be expressed in terms of the energy parameter 7 by an equation of the form da / dN AAT " = ( 3.12 ) where da / dN is the crack growth rate per cycle , A the material ...
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