Experimental study of the Cu-Al-Sn phase equilibria, close to the copper zone

J. Min. Metall. Sect. B-Metall. 53 (3) B (2017) 209-213. DOI:10.2298/JMMB170515034S
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The ternary Cu-Al-Sn phase diagram is the base for several important types of alloys, with relevant industrial interest and applications. The knowledge of the melting/solidification alloys characteristics are determinant for their preparation and properties control. However, there is a lack of experimental information on the ternary phase diagram, at high temperature. In this work, several alloys, with high copper content and additions of Al, up to 10%, and Sn, up to 14% (in wt%), were studied by thermal analysis and by isothermal phase equilibria determination. The alloys liquidus and solidus lines and the binary α + β phase field, at 800 °C, are presented for the studied range of compositions.
Keywords: Phase diagram; Cu-Al-Sn; Thermal analysis; Phase equilibria.
Correspondence Address:
D.F. Soares,
Universidade do Minho, Mechanical Eng. Department,
Campus de Azurém, Guimarães, Portugal
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