Chapter 4.3

Chapter 4.3 - Solids with impurities - Solid Solutions...

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11 MSE 2090: Introduction to Materials Science Chapter 4, Defects in crystals Solids with impurities - Solid Solutions Solid solutions are made of a host (the solvent or matrix) which dissolves the minor component ( solute ). The ability to dissolve is called solubility . ¾ Solvent : in an alloy, the element or compound present in greater amount ¾ Solute : in an alloy, the element or compound present in lesser amount ¾ Solid Solution : 9 homogeneous 9 maintain crystal structure 9 contain randomly dispersed impurities (substitutional or interstitial) ¾ Second Phase: as solute atoms are added, new compounds / structures are formed, or solute forms local precipitates (discussed in Chapter 9) Whether the addition of impurities results in formation of solid solution or second phase depends the nature of the impurities, their concentration and temperature, pressure…
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12 MSE 2090: Introduction to Materials Science Chapter 4, Defects in crystals Substitutional Solid Solutions Factors for high solubility:
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This note was uploaded on 02/14/2012 for the course MSE 2090 taught by Professor Leoindzhiglei during the Fall '10 term at UVA.

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Chapter 4.3 - Solids with impurities - Solid Solutions...

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