## Mechanical metallurgy |

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Page 6

The recovery of the original dimensions of a deformed body when the load is

removed is known as

material no longer behaves elastically is the

exceeded, the ...

The recovery of the original dimensions of a deformed body when the load is

removed is known as

**elastic**behavior. The limiting load beyond which thematerial no longer behaves elastically is the

**elastic**limit. If the**elastic**limit isexceeded, the ...

Page 53

Note the error that would result if the principal stresses were computed by simply

multiplying Young's modulus by the strain. al = Eel = 200(0.004) = 800 MPa

incorrect a2 = = 200(0.001) = 200 MPa incorrect 2-13 STRAIN ENERGY The

Note the error that would result if the principal stresses were computed by simply

multiplying Young's modulus by the strain. al = Eel = 200(0.004) = 800 MPa

incorrect a2 = = 200(0.001) = 200 MPa incorrect 2-13 STRAIN ENERGY The

**elastic**...Page 434

In our discussion of

assumption for the engineering analysis of metals by the theory of elasticity.

However, under ...

In our discussion of

**elastic**behavior in Chap. 2 it was implicitly assumed that**elastic**strain was a single-valued function of stress alone. This is a validassumption for the engineering analysis of metals by the theory of elasticity.

However, under ...

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### Contents

Stress and Strain Relationships for Elastic Behavior | 18 |

from Elastic Strains 213 Strain Energy 214 Anisotropy | 46 |

Metallurgical Fundamentals | 101 |

Copyright | |

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### Common terms and phrases

alloy angle annealed ASTM atoms axes axis behavior billet brittle fracture Burgers vector cold-worked components compression constant crack creep cycles decrease determined diameter direction dislocation line ductile edge dislocation elastic elongation embrittlement energy engineering equation extrusion factor failure fatigue limit fibers Figure flow curve flow stress force forging friction given grain boundaries hot-working hydrostatic increase indentation lattice length load machining martensite material matrix maximum measured mechanical metallurgy Metals Park modulus necking 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 specimen steel strain hardening strain rate stress-strain curve structure surface temperature tensile strength tensile stress tension test tensor thickness tool torsion Trans usually velocity workpiece yield strength yield stress