Effect of magnesium addition on the vacancy-Mg binding free enthalpy in Al-Cr alloys
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Abstract
The Mg-vacancy binding free enthalpy of Al-Cr solid solution alloys with Mg addition was calculated by electrical resistivity measurements. The obtained value is lower than that obtained for dilute Al-Mg alloys with almost the same Mg content and may be attributed to the diffusion of Mg.
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References
ASCOLI, A.; GERMAGNO, E.; GUARINI, G. Equilibrium resistivity of latice vacancies in pure Ag. Acta Metall., v.14, p. 1002-1005, 1966. [ Links ]
ASCOLI, A.; GUARINI, G.; QUEIROLO, G.T. Equilibrium vacancy resistivity in pure noble metals. Crystal Lattice Defects, v.1, p. 159-163, 1970. [ Links ]
BEATRICE, C.R.S.; GARLIPP, W.; CILENSE, M.; ADORNO, A.T. Vacancy-Mg atom binding energy im Al-Mg alloys. Scripta. Metall. Mater., v.32, p.23-26,1995. [ Links ]
CORDIER, H.; DUMONT, C.; GRUHL W.; GRZEMBRE, B. The influence of Cr, Mn and Cu of the tensile properties and stress-corrosion cracking of the weldable AlZn5Mg1.7 alloy. Metall., v.36, p.33-40, 1982. [ Links ]
DORN, J.E.; MITCHELL, .J.B. Vacancy in binary alloys. Acta Metall., v.14, p.70-73, 1966. [ Links ]
DOYAMA, M. Vacancy-solute in metals. J. Nuclear Mat., v.69/70, p.350-361, 1978. [ Links ]
FAUPEL, F.; HEHENKAMP, T. Calculation o the free enthalpy of impurity-vacancy binding from measurementes of solvente diffusion. Scripta. Metall., v.18, p.597-599, 1984. [ Links ]
FRIEDEL J. The distributions of electrons round impurities in monovalent metals. Philosophical Magazine, v 43, p.153-189, 1952. [ Links ]
HEHENKAMP, T. Point defects and defect interaction in metals. Tokyo: University of Tokyo Press, 1982. 465p. [ Links ]
HEHENKAMP, T.; FAUPEL, F. Solvente diffusion in alpha-silver-tin alloys Acta Metall., v.31, p.691-697, 1983. [ Links ]
HEHENKAMP,T.; SANDER, L. Gleichgewichtsfehlstellen in kupfer-germanium-legierungen. Z. Metallkde, v.70, p.202-208, 1979. [ Links ]
MOSIG, K.; WOLFF, J.; HEHENKAMP, T. Determination of absolute vacancy concentration and vacancy-impurity interaction energies in dilute silver and copper alloys. Defect Diffusion Forum, v.143, p.455-460, 1997. [ Links ]
MOTT, N.F.; JONES, H. The theory of the properties of metals and alloys. New York: Dover, 1936. 326p. [ Links ]
SCHAPINK, F.W. Vacancy concentration in dilute binary alloys. Acta Metall., v.14, p.1130-1131, 1966. [ Links ]
TAKAI, O.; FUKUSAKO, T.; YAMAMOTO, R.; DOYAMA, M. Relationships between impurity-vacancy binding-energy and core radius, Debye temperatureand melting temperature in aluminum. Phys. Letters, v.44A, p.269-270, 1973. [ Links ]
TAKAI, O.; YAMAMOTO, R.; DOYAMA, P.; HISAMATS, Y. Vacancy-vacancy, vacancy-impurity, and impurity-impurity interactions in aluminum. Phys. Rev. B, v.10, p.3113-3125, 1974. [ Links ]
TAKAMURA, J.; KOIKE, M.; FURUKAWA, K. The vacancy-solute interation in aluminium. J. Nuclear Mat., v.69/70, p.738-740, 1978. [ Links ]
YOSHIDA, H.; BABA, Y. The role of zirconium to improve strength and stress-corrosiun resistence of Al-Zn-Mg-Cu alloys. Trans. Japan. Inst. Met., v.23, p.620-630, 1982. [ Links ]
WARBURTON, W.K. Statical thermodinamic calculation of the equilibrium concentrations of an arbitrary set point defects. J. Phys. Chem. Solids, v.34, p.451-464, 1973. [ Links ]