## Mechanical Behavior of Materials |

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The

decreases from A„ to A, (Fig. 1.7a vs. Fig. 1.7b). Since volume is unchanged as a

result of plastic deformation, the

...

The

**length**increases from /Oto /, and the transverse cross- sectional areadecreases from A„ to A, (Fig. 1.7a vs. Fig. 1.7b). Since volume is unchanged as a

result of plastic deformation, the

**lengths**and areas are related by Aq/q = A|f(. (□)...

Page 271

So that we can neglect the complications associated with finite-

6.22 is applied to composites containing continuous fibers of

So that we can neglect the complications associated with finite-

**length**fibers. Fig.6.22 is applied to composites containing continuous fibers of

**length**/, the sample**length**. When a fiber in such a composite fails at a random location along the ...Page 474

10.5) W = ^Tndl2 (10.14) where t is the interface friction stress and / the

fiber pulled out of the matrix. (When the interfacial stress is due to residual

stresses, we substitute t = p.aR and obtain a result similar to that of Eq. (10. 12).)

A fiber ...

10.5) W = ^Tndl2 (10.14) where t is the interface friction stress and / the

**length**offiber pulled out of the matrix. (When the interfacial stress is due to residual

stresses, we substitute t = p.aR and obtain a result similar to that of Eq. (10. 12).)

A fiber ...

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### Contents

Overview of Mechanical Behavior l | 1 |

A The Tension Test B StrainRate Sensitivity C Yielding Under | 28 |

A Fracture Toughness B Tensile Fracture C Creep Fracture | 37 |

Copyright | |

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### Common terms and phrases

alloys applied stress behavior bonding brittle Burgers vector ceramics Chap CHAPTER Coble creep composite compression crack growth crack propagation crack tip craze creep fracture creep rate cubic curve cyclical decreases depends discussed dislocation density dislocation line dislocation motion displacement ductile ductile fracture edge dislocation embrittlement energy equation example fatigue fiber Figure flow stress Fracture Mechanics fracture toughness glass grain boundaries greater hardening high-temperature illustrated in Fig increases initial length linear elastic loading low temperatures martensite material's matrix maximum microscopic modulus nucleation obstacles particle phase plastic deformation plastic flow plastic strain polycrystalline polycrystals polymers precipitation Prob ratio region result Schematic screw dislocation SECTION shear stress shown in Fig single crystal slip plane slip systems solids solute atom steel strain rate strengthening stress levels stress-strain structure superplastic surface takes place tensile axis tensile strength tensile stress tion toughening transition viscoelastic void growth volume fraction work-hardening yield strength