## Mechanical metallurgy |

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Page 80

Still another interpretation is that it represents the mean square of the shear

stress averaged over all orientations in the solid.1

Tresca Criterion This yield criterion assumes that yielding occurs when the

Still another interpretation is that it represents the mean square of the shear

stress averaged over all orientations in the solid.1

**Maximum**-Shear-Stress orTresca Criterion This yield criterion assumes that yielding occurs when the

**maximum**...Page 343

The

perpendicular to the longitudinal axis yy and parallel with the longitudinal axis xx.

The principal stresses al and o3 make an angle of 45° with the longitudinal axis

and ...

The

**maximum**shear stress occurs on two mutually perpendicular planes,perpendicular to the longitudinal axis yy and parallel with the longitudinal axis xx.

The principal stresses al and o3 make an angle of 45° with the longitudinal axis

and ...

Page 383

12-6a the

stress ratio R = ot^B/aaax. This is achieved by applying a series of stress cycles

with decreasing

so ...

12-6a the

**maximum**stress is plotted against log N for constant values of thestress ratio R = ot^B/aaax. This is achieved by applying a series of stress cycles

with decreasing

**maximum**stress and adjusting the minimum stress in each caseso ...

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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 | |

15 other sections not shown

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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 metallurgical 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