MECHANICAL METALLURGY |
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Page 556
... punching a hole the face of the punch should be inclined at an angle , but when blanks are cut from the sheet , the die should be given a shear angle and the punch should be flat .山 Shear Flat punch and die Shear applied to punch Fig ...
... punching a hole the face of the punch should be inclined at an angle , but when blanks are cut from the sheet , the die should be given a shear angle and the punch should be flat .山 Shear Flat punch and die Shear applied to punch Fig ...
Page 565
... punch radius . Thinning may also occur at the bottom of Punch force Total Friction punch force Ideal deformation Stroke → Ironing Fig . 22-16 . Punch force vs. punch stroke for deep drawing . the cup under the punch if the tensile ...
... punch radius . Thinning may also occur at the bottom of Punch force Total Friction punch force Ideal deformation Stroke → Ironing Fig . 22-16 . Punch force vs. punch stroke for deep drawing . the cup under the punch if the tensile ...
Page 571
... punch . When the punch comes in contact with the inside wall of the part , a rapid decrease in the wall thickness begins and the deformation force rises rapidly . As the part begins to emerge from the die , this force reaches its ...
... punch . When the punch comes in contact with the inside wall of the part , a rapid decrease in the wall thickness begins and the deformation force rises rapidly . As the part begins to emerge from the die , this force reaches its ...
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