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Exploratory study of elevated temperature tensile properties of alloys based on the intermetallic compound tini

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Abstract

The tensile properties and oxygen contamination behavior of TiNi and several of its alloys were examined in the temperature range between 800 and 1000 K (980 and 1340°F). Additions of aluminum, chromium, and silicon increased the elevated temperature tensile strength of TiNi up to threefold. TiNi and its alloys are less susceptible to elevated temperature oxygen contamination than is the Ti-6242 alloy. The elevated temperature tensile strength of TiNi is not affected by its 900 K (1160°F) allotropie transformation. Aluminum and possibly chromium promote solid-solution softening in TiNi at low solute concentrations.

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  1. Helicorporation, 19124, Philadelphia, Pa.

    Marvin Garfinkle

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  1. Marvin Garfinkle
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MARVIN GARFINKLE, formerly with NASA Lewis Research Center, Cleveland, Ohio 44135

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Garfinkle, M. Exploratory study of elevated temperature tensile properties of alloys based on the intermetallic compound tini. Metall Trans 5, 2383–2388 (1974). https://doi.org/10.1007/BF02644020

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  • DOI: https://doi.org/10.1007/BF02644020

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