MECHANICAL METALLURGY |
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Page 261
... notch sharpness a / r and the notch depth . d2 Notch depth = 1 D2 300 The notch strength is defined as the maximum load divided by the original cross - sectional area at the notch . The notch - strength ratio ( NSR ) is the ratio of the ...
... notch sharpness a / r and the notch depth . d2 Notch depth = 1 D2 300 The notch strength is defined as the maximum load divided by the original cross - sectional area at the notch . The notch - strength ratio ( NSR ) is the ratio of the ...
Page 312
... notch or crack can be tolerated in a structure . The notch sensitivity of a material in fatigue is usually expressed by a notch - sensitivity index q . where q K , Κι = = = q = Ki Kt - - 1 1 notch - sensitivity index notch - fatigue ...
... notch or crack can be tolerated in a structure . The notch sensitivity of a material in fatigue is usually expressed by a notch - sensitivity index q . where q K , Κι = = = q = Ki Kt - - 1 1 notch - sensitivity index notch - fatigue ...
Page 372
... notch at the center of its length . Either a V notch or a keyhole notch is used . The Charpy specimen is supported as a beam in a horizontal position . The load is applied by the impact of a heavy swinging pendulum ( approximately 16 ft ...
... notch at the center of its length . Either a V notch or a keyhole notch is used . The Charpy specimen is supported as a beam in a horizontal position . The load is applied by the impact of a heavy swinging pendulum ( approximately 16 ft ...
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