41the 242 shows that the repulsive force is

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Unformatted text preview: temperature. ion implantation ions. and distance between the two or ions as a function A process in which ions of light of Comparison of Equations 2.4–1the 2.4–2 shows that the repulsive force is dominantpossible, giving a coordination numbe at or crystal on which each at elements such as boron and nitrogen are the derivative small values ions. This attractive force dominatesto made separation distances. linear density atoms or of x and the curve is equivalent at larger to impinge bond-force curve be found by setting the sum of the forces 0.74. HCP and The number of atom The curve that describes the of FCC are close-pack close-packed structures onthe bond-energy curve. the surface of the workpiece at high velocity. The of The equilibrium separation distance x0 can athe total crystallographic direction per unit leng relationship between equal to zero. That is, equilibrium occurs at the value of x force between two atoms for which coefficient of type in which the spheric thermal expansion t h surface hardensThe equilibrium separation distance due to penetration bond length or ions asZaZfunction of the ions. liquid crystal An anisotropic fluid, 2 of the distance between the two K 1 2q through the equation giving ta coordi possible, t h h T, w Fa x x 0 (2.4–3) lossary ionic bond FrA type of ions. 2Thisbond involving between two atoms oror 4primary x m estimated from to the derivative solution characterized by molecular al atoms ions. 0It can be curve is equivalent x coefficient of of 0.74. HCP and FCC a thermal expansion is the electronegativeof theelectropositivepoint where display and bond-energy curve. that the energy either the bond-energy curve in the directions in which ions areain contact with (the atoms liquid metal embrittlement Ain te deg Note that Equation 2.4–3 is valid only relates thermal strain to of thermal ex coefficient changes significant differenceshows the electronegativity separation distance in their The equilibrium competing is aanother. Figure or thelength relationship betweenpoint where...
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This note was uploaded on 02/25/2013 for the course PHYS 2202 taught by Professor Sowell during the Spring '10 term at Georgia Institute of Technology.

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