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The wetting of alumina and vitreous carbon by copper-tin-titanium alloys

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Abstract

The wetting behaviour of copper-rich copper-tin-titanium alloys on alumina and vitreous carbon substrates at 1050 to 1150° C has been determined using the sessile drop technique. Substantial additions of titanium induce copper to wet, but tin has no significant effect. However, the simultaneous addition of tin and titanium is markedly beneficial, particularly with vitreous carbon. Metallographic and EPMA studies showed that titanium-rich reaction products were formed at the interfaces. The wetting and reactivity data are interpreted in terms of surface enrichment of the alloys by tin and of a disproportionately greater activity of titanium in tin.

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Authors and Affiliations

  1. Materials Development Division, AERE, Harwell, UK

    R. Standing & M. Nicholas

Authors
  1. R. Standing
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  2. M. Nicholas
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Standing, R., Nicholas, M. The wetting of alumina and vitreous carbon by copper-tin-titanium alloys. J Mater Sci 13, 1509–1514 (1978). https://doi.org/10.1007/BF00553207

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  • DOI: https://doi.org/10.1007/BF00553207

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