## Mechanical Behavior of Materials |

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Page 219

5.8 DEFORMATION OF TWO-

volume ...

5.8 DEFORMATION OF TWO-

**PHASE**AGGREGATES The deformation of two-**phase**aggregates is discussed in this section. An aggregate differs from the two-**phase**alloys discussed previously in one major respect; in aggregates, thevolume ...

Page 249

ERa E = (Va£p + Vp£a) (6.8) Equation (6.5) is one form of a volume-fraction rule,

and is appropriate for a

stress. However, in fiber composites in which fibers are aligned parallel to the ...

ERa E = (Va£p + Vp£a) (6.8) Equation (6.5) is one form of a volume-fraction rule,

and is appropriate for a

**phase**geometry in which both**phases**experience equalstress. However, in fiber composites in which fibers are aligned parallel to the ...

Page 278

Its limiting value is given by Eq. (6.50). the two-

an aggregate in which the elastic fibers carry a certain fraction of the applied load

, and a matrix that flows by these fibers. 6.9 MICROSCOPIC EFFECTS To this ...

Its limiting value is given by Eq. (6.50). the two-

**phase**mixture can be viewed asan aggregate in which the elastic fibers carry a certain fraction of the applied load

, and a matrix that flows by these fibers. 6.9 MICROSCOPIC EFFECTS To this ...

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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 |

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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