Mechanical Metallurgy |
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Page 365
... notch ) is called notch sensitivity . A com- mon way of evaluating notch sensitivity is a tension test using a notched specimen . The notch tensile test has been used extensively for investigating the properties of high - strength ...
... notch ) is called notch sensitivity . A com- mon way of evaluating notch sensitivity is a tension test using a notched specimen . The notch tensile test has been used extensively for investigating the properties of high - strength ...
Page 422
... notch , usually a V notch or a circular notch . It has been shown in Chap . 7 that the presence of a notch in a specimen under uniaxial load introduces three effects : ( 1 ) there is an increase or concentration of stress at the root of the ...
... notch , usually a V notch or a circular notch . It has been shown in Chap . 7 that the presence of a notch in a specimen under uniaxial load introduces three effects : ( 1 ) there is an increase or concentration of stress at the root of the ...
Page 423
... notch - sensitivity factor q q = K1 − 1 K1 − 1 - ( 12-14 ) - = Equation ( 12-14 ) was chosen so that a material which experiences no reduction in fatigue due to a notch ( K , = 1 ) has a factor of q = 0 , while a material in which the ...
... notch - sensitivity factor q q = K1 − 1 K1 − 1 - ( 12-14 ) - = Equation ( 12-14 ) was chosen so that a material which experiences no reduction in fatigue due to a notch ( K , = 1 ) has a factor of q = 0 , while a material in which the ...
Contents
Elements of the Theory of Plasticity | 3 |
Dislocation Theory | 150 |
Strengthening Mechanisms | 190 |
Copyright | |
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alloys angle annealed atoms axis behavior billet brittle fracture Burgers vector cold-worked components compression constant crack criterion cycles decrease determined diameter direction dislocation line ductile edge dislocation elastic elongation energy equations extrusion factor failure fatigue limit fibers flow curve flow stress force forging friction given grain boundaries hot-working hydrostatic increases lattice length load machining martensite material matrix maximum measured mechanical Metals Park modulus normal stress notch occurs orientation particles percent plastic deformation plastic strain polymer pressure produced properties ratio reduction region residual stresses rolling screw dislocation shear strain shear stress sheet shown in Fig shows single crystals slip plane slip systems Society for Metals solid specimen steel strain hardening strain rate stress-strain curve structure surface tensile strength tensile stress tensor theory thermal thickness tool torsion Trans usually velocity workpiece yield strength yield stress York