Mechanical Metallurgy |
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Page 83
... structure cell for the body - centered cubic structure ( 8 % + 1 ) . Typical metals which have this crystal struc- ture are alpha iron , columbium , tantalum , chromium , molybdenum , and tungsten . Figure 4-26 shows the structure cell ...
... structure cell for the body - centered cubic structure ( 8 % + 1 ) . Typical metals which have this crystal struc- ture are alpha iron , columbium , tantalum , chromium , molybdenum , and tungsten . Figure 4-26 shows the structure cell ...
Page 85
... structure . TABLE 4-2 ATOMIC DENSITY OF LOW - INDEX PLANES Crystal structure Plane Atomic density , atoms per Distance between unit area planes Face - centered cubic ... Octahedral { 111 } Cube { 100 } 4 / √3 a62 ao / √3 2 / a02 ao ...
... structure . TABLE 4-2 ATOMIC DENSITY OF LOW - INDEX PLANES Crystal structure Plane Atomic density , atoms per Distance between unit area planes Face - centered cubic ... Octahedral { 111 } Cube { 100 } 4 / √3 a62 ao / √3 2 / a02 ao ...
Page 93
... structure , the resistance to slip is generally less for these planes than for any other set of planes . The slip plane together with the slip direction establishes the slip system . Lamella spacing -Slip distance Interslip region -One ...
... structure , the resistance to slip is generally less for these planes than for any other set of planes . The slip plane together with the slip direction establishes the slip system . Lamella spacing -Slip distance Interslip region -One ...
Contents
Introduction 3 35678OORE | 3 |
Stress and Strain Relationships for Elastic Behavior | 17 |
Elements of the Theory of Plasticity | 54 |
Copyright | |
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alloys aluminum angle annealed ASTM axis behavior bending billet brittle fracture Burgers vector cent compressive constant crack creep rate decrease determined diameter direction dislocation line distribution drawing ductile edge dislocation effect elastic elongation equation extrusion factor failure fatigue limit flow curve flow stress force forging forming friction given grain boundaries hardness high-temperature increase indentation lattice length load longitudinal mandrel martensite material maximum measured mechanical metallurgical Metals Park method modulus notch obtained occurs orientation particles plastic deformation pressure principal stresses Proc produced properties punch quenched radius ratio reduction of area region relationship residual stresses rolling screw dislocations shear stress sheet shows single crystals slip plane Society for Metals specimen steel strain energy strain hardening strain rate stress-strain curve structure surface temper tensile strength tensile stress theory thickness tion torsion Trans transition temperature tube yield strength yield stress στ