Introduction to Engineering Materials |
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Page 82
... dislocation is due to the presence of an additional half - row of atoms within the lattice . If an atom - to - atom ... dislocation the Burger's vector is normal to the dislocation line . Slip plane ( a ) ( b ) FIGURE 5.11 Edge ...
... dislocation is due to the presence of an additional half - row of atoms within the lattice . If an atom - to - atom ... dislocation the Burger's vector is normal to the dislocation line . Slip plane ( a ) ( b ) FIGURE 5.11 Edge ...
Page 87
... dislocation density in a metal can be considered as N , the number of dislocations that intersect a unit area of 1 mm2 . For fully annealed metals the dislocation density , N , is usually between 104 and 106 / mm2 . The number of atoms ...
... dislocation density in a metal can be considered as N , the number of dislocations that intersect a unit area of 1 mm2 . For fully annealed metals the dislocation density , N , is usually between 104 and 106 / mm2 . The number of atoms ...
Page 96
... dislocations . When a vacancy reaches a point at a dislocation line there will be a collapse of the vacancy at that point and the dislocation will move to the next lattice plane ( Figure 5.26 ) . The collapse of one vacancy will only ...
... dislocations . When a vacancy reaches a point at a dislocation line there will be a collapse of the vacancy at that point and the dislocation will move to the next lattice plane ( Figure 5.26 ) . The collapse of one vacancy will only ...
Contents
Atomic structure | 3 |
Constitution | 6 |
Bonding between atoms | 20 |
Copyright | |
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alloys aluminium annealing anode applied austenite body centred cubic brittle carbide carbon steel casting cathode cent ceramics chemical chromium combustion component composition compounds compression containing cooling copper corrosion covalent bond crack creep crystal crystalline curve defects density diagram dislocation ductile elastic electrical electrolyte electrons elements energy example face centred cubic fatigue ferrite fibre Figure filler fracture furnace galvanic cell gauge length give grain hard hardening heat treatment hydrogen increase ingot ions iron kg/m³ lattice layer liquid metal load machining martensite material mild steel MN/m² modulus molecules mould nickel nitride occur oxide oxygen particles pearlite phase planes plastic deformation polymer polymerisation possess powder produced properties radiation reaction resin resistance rolling Section shape shell silica silicon slag solder solid solution strain stress structure surface Table tensile strength termed test-piece thermoplastic Thorium unit cell valency welding work-piece Young's modulus zinc