MECHANICAL METALLURGY |
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Page 15
... length to the original length of the same dimension . δ AL Lo e = Lo = = L - Lo Lo where e = average linear strain ♪ = deformation By analogy with the definition of stress at a point , the strain at a point is the ratio of the ...
... length to the original length of the same dimension . δ AL Lo e = Lo = = L - Lo Lo where e = average linear strain ♪ = deformation By analogy with the definition of stress at a point , the strain at a point is the ratio of the ...
Page 253
... length of a tensile specimen . The exact distribu- tion of strain will depend upon the Local elongation metal , the gage length , and the shape of the cross section of the test section . In general , the softer and more ductile the ...
... length of a tensile specimen . The exact distribu- tion of strain will depend upon the Local elongation metal , the gage length , and the shape of the cross section of the test section . In general , the softer and more ductile the ...
Page 557
... length of metal is trans- formed into a curved length . The definitions of the terms used in bend- ing are illustrated in Fig . 22-8 . The bend radius R is defined as the radius of curvature on the concave , or inside , surface of the ...
... length of metal is trans- formed into a curved length . The definitions of the terms used in bend- ing are illustrated in Fig . 22-8 . The bend radius R is defined as the radius of curvature on the concave , or inside , surface of the ...
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