## MECHANICAL METALLURGY |

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Page 194

Griffith proposed that a brittle material contains a population of fine

produce a stress concentration of sufficient magnitude so distribution for an

elliptical

strength is ...

Griffith proposed that a brittle material contains a population of fine

**cracks**whichproduce a stress concentration of sufficient magnitude so distribution for an

elliptical

**crack**was determined by Inglis.1 A. that the theoretical cohesivestrength is ...

Page 195

distribution for an elliptical

energy results from the formation of a

plate thickness is equal to U.-- -%- (7-8) where a is the tensile stress acting ...

distribution for an elliptical

**crack**was determined by Inglis.1 A decrease in strainenergy results from the formation of a

**crack**. The elastic strain energy per unit ofplate thickness is equal to U.-- -%- (7-8) where a is the tensile stress acting ...

Page 198

This is essentially a macroscopic theory that is concerned with

tenths of an inch in length or greater. The quantity of interest is the

extension force, also called the strain-energy release rate. The

force g, ...

This is essentially a macroscopic theory that is concerned with

**cracks**that aretenths of an inch in length or greater. The quantity of interest is the

**crack**-extension force, also called the strain-energy release rate. The

**crack**-extensionforce g, ...

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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