MECHANICAL METALLURGY |
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Page 282
... hardness of a material is a poorly defined term which has many meanings depending upon the experience of the person involved . In general , hardness usually implies a resistance to deformation , and for metals the property is a measure ...
... hardness of a material is a poorly defined term which has many meanings depending upon the experience of the person involved . In general , hardness usually implies a resistance to deformation , and for metals the property is a measure ...
Page 290
... hardness numbers are erroneously high . Empirical corrections for this effect have been proposed.1 11-7 . Rockwell Hardness Test The most widely used hardness test in the United States is the Rock- well hardness test . Its general ...
... hardness numbers are erroneously high . Empirical corrections for this effect have been proposed.1 11-7 . Rockwell Hardness Test The most widely used hardness test in the United States is the Rock- well hardness test . Its general ...
Page 293
... hardness - conversion relationships have been developed . It is important to realize that hard- ness conversions are empirical relationships . The most reliable ... Hardness-conversion Relationships 11-10 Hardness at Elevated Temperatures 13.
... hardness - conversion relationships have been developed . It is important to realize that hard- ness conversions are empirical relationships . The most reliable ... Hardness-conversion Relationships 11-10 Hardness at Elevated Temperatures 13.
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