## Mechanical metallurgy |

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Page 15

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

the original

average linear strain 5 = deformation By analogy with the definition of stress at a

...

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

**length**tothe original

**length**of the same dimension. = _L = *k = L - Lq Lo Lo Lo where e =average linear strain 5 = deformation By analogy with the definition of stress at a

...

Page 253

Figure 9-8 shows in a schematic way the distribution of local elongation along the

metal, the gage

Figure 9-8 shows in a schematic way the distribution of local elongation along the

**length**of a tensile specimen. The exact distribution of strain will depend upon themetal, the gage

**length**, and the shape of the cross section of the test section.Page 557

Bending Bending is the process by which a straight

into a curved

Fig. 22-8. The bend radius R is defined as the radius of curvature on the ...

Bending Bending is the process by which a straight

**length**of metal is transformedinto a curved

**length**. The definitions of the terms used in bending are illustrated inFig. 22-8. The bend radius R is defined as the radius of curvature on the ...

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### Contents

Introduction | 3 |

Stress and Strain Relationships for Elastic Behavior | 17 |

Elements of the Theory of Plasticity | 54 |

Copyright | |

21 other sections not shown

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### Common terms and phrases

alloys angle annealing ASTM axis behavior bending billet brittle fracture Burgers vector cent compressive constant crack creep rate cycles decrease determined diameter direction dislocation line distribution drawing ductile edge dislocation effect elastic equation extrusion factor failure fatigue limit flow curve flow stress force forging forming friction given grain boundaries hardness high-temperature increase indentation lattice length load longitudinal mandrel martensite material maximum measured mechanical metallurgical Metals Park method modulus notch obtained occurs orientation particles plastic deformation pressure principal stresses Proc produced properties punch quenched radius ratio region relationship residual stresses rolling screw dislocations shear stress sheet shown in Fig shows single crystals slip plane Society for Metals specimen steel strain energy strain hardening strain rate stress-strain curve structure surface temper tensile strength tensile stress tension theory thickness tion torsion Trans transition temperature tube usually yield strength yield stress