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New high-temperature copper alloys

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Abstract

New high-strength, high-temperature Cu-Ni-Si alloys have been developed using additions of Cr, Zr, and/or Ti. These new alloys remain as precipitation hardenable as the base alloy, but the main strengthening phase may be different than Ni2Si (e.g., Cr2Ti). Substantial increases in mechanical strength were observed at both room and high temperature (773 K) when additions of Cr+Zr+Ti and Cr+Zr were made. Industrial testing of these alloys indicated a sevenfold increase in the lifetime of lateral blocks in continuous casting equipment of copper alloys.

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Authors and Affiliations

  1. Metallurgical Research Institute, Bucharest, Romania

    S Constantinescu, A Popa & I Bock

  2. Chemical Engineering and Materials Science Department, University of California at Davis, 95616-5274, Davis, CA, USA

    J. R. Groza

Authors
  1. S Constantinescu
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  2. A Popa
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  3. J. R. Groza
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  4. I Bock
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Constantinescu, S., Popa, A., Groza, J.R. et al. New high-temperature copper alloys. JMEP 5, 695–698 (1996). https://doi.org/10.1007/BF02646904

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  • DOI: https://doi.org/10.1007/BF02646904

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