## MECHANICAL METALLURGY |

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Page 12

Fatigue failure occurs without any visible sign of yielding at nominal or average

stresses that are well below the

caused by a critical localized

...

Fatigue failure occurs without any visible sign of yielding at nominal or average

stresses that are well below the

**tensile strength**of the motal. Fatigue failure iscaused by a critical localized

**tensile stress**which is very difficult to evaluate, and...

Page 238

The parameters which are used to describe the strew-, strain curve of a metal arc

the

reduction of area. The first two are strengt h parameters; the last two indicate

ductility.

The parameters which are used to describe the strew-, strain curve of a metal arc

the

**tensile strength**, yield strength or yield point, per cent elongation, andreduction of area. The first two are strengt h parameters; the last two indicate

ductility.

Page 261

shear stress to

depth = 1 - characterized bv the notch Z)2 300 o o o 100 The notch strength is

defined as the maximum load divided by the original cross-sectional area at the ...

shear stress to

**tensile stress**. A notch is sharpness a/r and the notch depth. Notchdepth = 1 - characterized bv the notch Z)2 300 o o o 100 The notch strength is

defined as the maximum load divided by the original cross-sectional area at the ...

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### Contents

Stress and Strain Relationships for Elastic Behavior | 17 |

Elements of the Theory of Plasticity | 54 |

Plastic Deformation of Single Crystals | 81 |

Copyright | |

19 other sections not shown

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### Common terms and phrases

alloys aluminum angle annealing ASTM axis behavior bending billet brittle fracture Burgers vector cent compressive constant crack creep rate decrease determined diameter direction dislocation line distribution drawing ductile edge dislocation effect elastic elongation 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 recrystallization 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 theory thickness tion torsion Trans transition temperature tube usually yield point yield strength yield stress