## Mechanical metallurgy |

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Page 220

static

are completely brittle under ordinary conditions, like limestone or rock salt,

actually necked down when pulled in tension with superimposed hydrostatic

static

**pressure**than when tested with simple uniaxial loading. Materials whichare completely brittle under ordinary conditions, like limestone or rock salt,

actually necked down when pulled in tension with superimposed hydrostatic

**pressure**.Page 496

area between the metal and the rolls is equal to the product of the widil. of the

sheet b and the projected length of the arc of contact , Lv. L, = R(h0 - h,) - {ho ~ h)

Y ^ m [R(h0 - (19-2 Therefore, the specific roll

...

area between the metal and the rolls is equal to the product of the widil. of the

sheet b and the projected length of the arc of contact , Lv. L, = R(h0 - h,) - {ho ~ h)

Y ^ m [R(h0 - (19-2 Therefore, the specific roll

**pressure**is given by V = bLv (19-3...

Page 519

Therefore, the extrusion

travel and represents the stress required to deform the metal in the die. The curve

for direct extrusion approaches the curve for indirect extrusion when the billet ...

Therefore, the extrusion

**pressure**is approximately constant with increasing ramtravel and represents the stress required to deform the metal in the die. The curve

for direct extrusion approaches the curve for indirect extrusion when the billet ...

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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