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14 Cards in this Set
- Front
- Back
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LD |
number of atoms/number of radius |
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PD |
number of atoms in plan / area of plane |
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area of plane |
a x a squreroot(2) |
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BBC a |
4R/square(3) |
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SC a |
2R |
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n |
relfection number |
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Three types of point defects in metal crystals |
1 Vacancy- atom missing from a lattice site 2 substitutional impurity- impurity atom is occupying a lattice site 3- interstitial impurity- impurity atom is occupying interstitial space |
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Schottky |
cation vacancy cation interstitial pair |
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Frenkel |
cation vacancy anion vacancy pair |
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edge dislocation
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screw dislocation |
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list two factors that influence solid state diffusion |
the nature of both host and diffusing species tempurature |
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interstitual diffusion |
atom migrates from one interstitial position to an empty adjacent one |
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vacancy diffusion |
exchange of an atom residing on a normal lattice site with an adjacent vacancy |
