Mechanical Metallurgy |
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Page 107
... structure cell for the body - centered cubic structure ( 8 + 1 ) . Typical metals which have this crystal structure are alpha iron , columbium , tantalum , chromium , molybdenum , and tungsten . Figure 4-26 shows the structure cell for ...
... structure cell for the body - centered cubic structure ( 8 + 1 ) . Typical metals which have this crystal structure are alpha iron , columbium , tantalum , chromium , molybdenum , and tungsten . Figure 4-26 shows the structure cell for ...
Page 110
... Structure Plane Unit Area Planes Face - centered cubic Octahedral { 111 } Cube { 100 } 4 / √3a02 ao / V3 2 / a02 ao ... structure . 4-3 LATTICE DEFECTS Real crystals deviate from the perfect periodicity that was assumed in the previous ...
... Structure Plane Unit Area Planes Face - centered cubic Octahedral { 111 } Cube { 100 } 4 / √3a02 ao / V3 2 / a02 ao ... structure . 4-3 LATTICE DEFECTS Real crystals deviate from the perfect periodicity that was assumed in the previous ...
Page 119
... structure is not a close - packed structure like the fcc or hcp structures . Accordingly , there is no one plane of predominant atomic density , as ( 111 ) in the fcc structure and ( 0001 ) in the hcp structure . The { 110 } planes have ...
... structure is not a close - packed structure like the fcc or hcp structures . Accordingly , there is no one plane of predominant atomic density , as ( 111 ) in the fcc structure and ( 0001 ) in the hcp structure . The { 110 } planes have ...
Contents
Introduction 325 | 3 |
Elements of the Theory of Plasticity | 72 |
Plastic Deformation of Single Crystals | 105 |
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 metallurgical 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 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