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Mechanical properties of Ti-Cr-Nb alloys and prospects for high-temperature applications

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Abstract

Four Ti-Cr-Nb alloys containing the C15 Laves phase have been given a series of mechanical tests, including compression, bending, notch toughness, elastic moduli measurement, microhardness, and a simple impact toughness test. Strength remains high between 900 °C and 1000 °C; moduli and specific moduli exceed those of titanium; 1000 °C ductility is substantial; but roomtemperature notch toughness is low. Since room-temperature impact toughness is substantial in unannealed samples, the effects of heat treatment will need to be studied. Oxidation rates have been measured on two of the alloys.

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Authors and Affiliations

  1. General Electric Corporate Research and Development, 12301, Schenectady, NY

    R. L. Fleischer (Physicist) & R. J. Zabala (Metallurgical Specialist)

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  1. R. L. Fleischer
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  2. R. J. Zabala
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Fleischer, R.L., Zabala, R.J. Mechanical properties of Ti-Cr-Nb alloys and prospects for high-temperature applications. Metall Trans A 21, 2149–2154 (1990). https://doi.org/10.1007/BF02647875

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  • DOI: https://doi.org/10.1007/BF02647875

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