MECHANICAL METALLURGY |
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Page 303
... specimen to specimen for very obscure reasons . It is known that inclusions in steel have an important effect on the fatigue limit and its variability , but even vacuum - melted steel shows appreciable scatter in fatigue limit . The ...
... specimen to specimen for very obscure reasons . It is known that inclusions in steel have an important effect on the fatigue limit and its variability , but even vacuum - melted steel shows appreciable scatter in fatigue limit . The ...
Page 372
... specimen is forced to bend and fracture at a strain rate on the order of 103 in./(in . ) ( sec ) . The Izod specimen is either circular or square in cross section and contains a V notch near one end . The specimen is clamped vertically ...
... specimen is forced to bend and fracture at a strain rate on the order of 103 in./(in . ) ( sec ) . The Izod specimen is either circular or square in cross section and contains a V notch near one end . The specimen is clamped vertically ...
Page 378
... specimen . This side is cooled with liquid nitrogen , and the other side is kept at a higher tem- perature . Thus , a temperature gradient is maintained across the width of the specimen . A crack is started at the cold end by an impact ...
... specimen . This side is cooled with liquid nitrogen , and the other side is kept at a higher tem- perature . Thus , a temperature gradient is maintained across the width of the specimen . A crack is started at the cold end by an impact ...
Contents
Introduction | 5 |
The Torsion Test | 10 |
Stress and Strain Relationships for Elastic Behavior | 17 |
Copyright | |
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alloys aluminum annealing ASTM axis behavior brittle fracture Burgers vector cent compressive considered constant crack decrease determined diameter dislocation line ductile edge dislocation effect elastic elongation equation factor fatigue limit fatigue properties flow curve fracture stress given grain boundaries hardness increase indentation internal friction lattice load martensite material maximum measure Metals Park modulus notch number of cycles occurs orientation particles pile-up plastic deformation principal stresses Proc produced quenched ratio recrystallization reduction of area region residual stresses resolved shear stress screw dislocations shear stress shown shows single crystals slip direction slip lines slip plane slip system Society for Metals solid solution solute atoms specimen stacking fault steel strain energy strain hardening strain rate stress concentration stress-strain curve structure surface tensile strength tensile stress tension theory tion torsion Trans twins vacancies yield point yield strength yield stress