Evaluation of Surface Energy of W and AlNi
by the Results of Their Milling

V. F. Boiko*, N. M. Vlasova**, and A. V. Zaitsev

Institute of Materials Science, Khabarovsk Scientific Center, Far East Division, Russian Academy of Sciences,
ul. Tikhookeanskaya 153, Khabarovsk, 680042 Russia

*e-mail: vboiko1938@yandex.ru

**e-mail: vlasova64@yandex.ru

Abstract—A method is proposed which is an alternative to existing methods of determining of the surface ten-
sion of solids and is based on a generalization of the Rittinger law and the Gibbs thermodynamic equations, as
well as on a diffraction analysis of the granulometric characteristics of finely dispersed powders of templates
(Fe, Co) and originals (W, AlNi). The surface tension coefficients of tungsten and AlNi are evaluated. The con-
fidence intervals of varying their values are found.

Keywords: surface tension coefficients, granulometric characteristics

DOI: 10.3103/S1067821213050040

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