## Mechanical metallurgy |

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Page 12

The working stress may be considered as either the yield strength or the tensile

strength divided by a number called the

working stress o0= yield strength au= tensile strength W0=

...

The working stress may be considered as either the yield strength or the tensile

strength divided by a number called the

**factor**of safety. o"=No " (1-5) where aw=working stress o0= yield strength au= tensile strength W0=

**factor**of safety based...

Page 267

The ratio of notched-to-unnotched flow stress is referred to as the plastic-

constraint

excess of K, = 10 as the notch is made sharper and deeper, Orowan1 has shown

that ...

The ratio of notched-to-unnotched flow stress is referred to as the plastic-

constraint

**factor**q. Unlike elastic stress concentration, which can reach values inexcess of K, = 10 as the notch is made sharper and deeper, Orowan1 has shown

that ...

Page 422

The fatigue limit of the small polished unnotched specimen is a', = 42,000 psi. We

need to reduce this value because of size effect, surface finish, and statistical

scatter. oe = oeCSCFCZ where Cs =

The fatigue limit of the small polished unnotched specimen is a', = 42,000 psi. We

need to reduce this value because of size effect, surface finish, and statistical

scatter. oe = oeCSCFCZ where Cs =

**factor**for size effect. From Table 12-2, ...### What people are saying - Write a review

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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