| Chemical Potential of Vacancies in Metal Crystals |
| |
| 作者姓名： | SUN Jun |
| |
| 作者单位： | State Key Laboratory for Mechanical Behavior of Materials School of Materials Science and Engineering Xi'an Jiaotong University, Xi'an 710049, China Materials Technology Laboratory, MTL/CANMET, Ottawa, Canada |
| |
| 摘 要： | In this paper, a concept, the chemical potential of vacancies in metal crystals, has been derived from the partial mole free energy of vacancies based on a model of an atom-vacancy binary solution.For a pure metal crystal containing the mole concentration of vacancies, Cv and it's value in thermal equilibrium,C0, at temperature T the chemical potential can be expressed respectively as: μ v(Cv)=RT1+1n(C√Co)]and μ v (Co)=RT The second term in μ v(Cv) is the chemical potential of the vacancies referred to the standardstate concentration given by J. P. Hirth 1] and first term is the standard-state one presented in this paper.
|
|
|
