## Mechanical MetallurgyThis revised third edition of a bestselling metallurgy text examines the behavior of materials under stress and their reaction to a variety of hostile environments. It covers the entire scope of mechanical metallurgy, from an understanding of the continuum description of stress and strain, through crystalline and defect mechanisms of flow and fracture, and on to a consideration of major mechanical property tests and the basic metalworking process. It has been updated throughout, SI units have been added, and end-of-chapter study questions are included. |

### From inside the book

Results 1-3 of 81

Page 14

1-4 the average linear strain was defined as the ratio of the change in

the original

deformation By analogy with the definition of stress at a point, the strain at a point

is ...

1-4 the average linear strain was defined as the ratio of the change in

**length**tothe original

**length**of the same dimension. where e= average linear strain 8 =deformation By analogy with the definition of stress at a point, the strain at a point

is ...

Page 164

A The force on a dislocation is always defined as a force F per unit

dislocation line. Since F = dW/dl and remembering that this is a force per unit

line at ...

A The force on a dislocation is always defined as a force F per unit

**length**ofdislocation line. Since F = dW/dl and remembering that this is a force per unit

**length**(ds), we have dW b F dlds r (5 16) This force is normal to the dislocationline at ...

Page 294

Figure 8-11 Schematic drawing of variation of local elongation with position

along gage

elongation then is given by (8-34) which clearly indicates that the total elongation

is a ...

Figure 8-11 Schematic drawing of variation of local elongation with position

along gage

**length**of tensile Gage**length**specimen. Local elongation tensileelongation then is given by (8-34) which clearly indicates that the total elongation

is a ...

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### Contents

Stress and Strain Relationships for Elastic Behavior | 17 |

of Stress in Two Dimensions Plane Stress 24 Mohrs Circle | 35 |

from Elastic Strains 213 Strain Energy 214 Anisotropy | 62 |

Copyright | |

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### Common terms and phrases

alloy angle annealed ASTM atoms axis behavior billet brittle fracture Burgers vector cold-worked components compression constant crack creep cycles decrease deﬁned determined diameter direction dislocation line ductile edge dislocation elastic elongation embrittlement energy engineering equation extrusion factor failure fatigue limit ﬁbers ﬁeld Figure ﬁne ﬁnish ﬁrst ﬂat ﬂow curve ﬂow stress force forging friction given grain boundaries hot-working hydrostatic increase inﬂuence lattice length load machining martensite material matrix maximum measured mechanical metallurgical Metals Park modulus necking normal notch occurs particles percent plane strain plane-strain plastic deformation plastic strain pressure produce properties ratio recrystallization reduction region residual stresses rolling screw dislocation shear stress sheet shown in Fig slip plane slip systems Society for Metals speciﬁc specimen steel strain hardening strain rate stress-strain curve structure surface temperature tensile stress tensor thickness tool torsion Trans usually velocity workpiece yield strength yield stress