Mechanical MetallurgyThis bestselling metallurgy text examines the behaviour of materials under stress and their reaction to a variety of hostile environments. It covers the entire scope of mechanical metallurgy, from an understanding of the continuum description of stress and strain, through crystalline and defect mechanisms of flow and fracture, and on to a consideration of major mechanical property tests and the basic metalworking process. It has been updated throughout, and optimised for metric (SI) units . End-of-chapter study questions are included. |
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Page 21
... maximum shear stress occurs at an angle halfway between the maximum and minimum normal stresses . 4. The variation of normal stress and shear stress occurs in the form of a sine wave , with a period of = 180 ° . These relationships are ...
... maximum shear stress occurs at an angle halfway between the maximum and minimum normal stresses . 4. The variation of normal stress and shear stress occurs in the form of a sine wave , with a period of = 180 ° . These relationships are ...
Page 79
... Maximum - Shear - Stress or Tresca Criterion This yield criterion assumes that yielding occurs when the maximum shear stress reaches the value of the shear stress in the uniaxial - tension test . From Eq . ( 2-21 ) , the maximum shear ...
... Maximum - Shear - Stress or Tresca Criterion This yield criterion assumes that yielding occurs when the maximum shear stress reaches the value of the shear stress in the uniaxial - tension test . From Eq . ( 2-21 ) , the maximum shear ...
Page 284
... maximum load . Actually , the metal continues to strain - harden all the way up to fracture , so that the stress required to produce further deformation should also increase . If the true stress , based on the actual cross - sectional ...
... maximum load . Actually , the metal continues to strain - harden all the way up to fracture , so that the stress required to produce further deformation should also increase . If the true stress , based on the actual cross - sectional ...
Contents
Introduction | 3 |
Stress and Strain Relationships for Elastic Behavior | 17 |
Metallurgical Fundamentals | 101 |
Copyright | |
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alloy aluminum angle annealed ASME ASTM atoms axis behavior billet brittle fracture Burgers vector cold-worked components compression constant crack creep cycles decrease determined diameter direction dislocation line ductile edge dislocation elastic elongation embrittlement energy engineering equation extrusion factor failure fatigue limit fibers Figure flow curve flow stress force forging friction given grain boundaries hot-working hydrostatic increase indentation lattice length load machining martensite material matrix maximum measured mechanical metallurgical Metals Park modulus necking notch occurs particles percent plane-strain plastic deformation plastic strain pressure produce properties ratio recrystallization reduction region residual stresses rolling screw dislocation shear stress sheet shown in Fig slip plane slip systems Society for Metals specimen steel strain hardening strain rate stress-strain curve structure surface temperature tensile strength tensile stress tensor thickness tool torsion Trans usually velocity workpiece yield strength yield stress York