## Fatigue of Engineering Plastics |

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Page 111

Andrews proposed that the fracture energy parameter T could be

{ C / [ C – f ( b ) ] } , ( 3 . 18 ) where T is the total energy expended by the solid to

cause unit area of crack growth , To the energy expended in a perfectly elastic ...

Andrews proposed that the fracture energy parameter T could be

**given**by T = T .{ C / [ C – f ( b ) ] } , ( 3 . 18 ) where T is the total energy expended by the solid to

cause unit area of crack growth , To the energy expended in a perfectly elastic ...

Page 115

19 ) is essentially the same as that

extent to which this damage zone stretches open is maximized at the crack tip

and

opening ...

19 ) is essentially the same as that

**given**in Eq . ( 3 . 5 ) . Proceeding further , theextent to which this damage zone stretches open is maximized at the crack tip

and

**given**by 8 = K / o yg E , ( 3 . 20 ) where is the maximum damage zoneopening ...

Page 224

29 Fatigue endurance of carbon - and glass - reinforced ethylene -

tetrafluoroethylene copolymer ( percentage fiber

with permission from J . Theberge , B . Arkles , and R . Robinson , Ind . Eng .

Chem . , Prod .

29 Fatigue endurance of carbon - and glass - reinforced ethylene -

tetrafluoroethylene copolymer ( percentage fiber

**given**by weight ) . [ Reprintedwith permission from J . Theberge , B . Arkles , and R . Robinson , Ind . Eng .

Chem . , Prod .

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### Contents

Fatigue Crack Propagation | 74 |

Fatigue Fracture Micromechanisms in Engineering Plastics | 146 |

Composite Systems | 184 |

Copyright | |

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### Common terms and phrases

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