Abstract
Alloy compositions blanketing the tungsten-columbium-tantalum ternary system were screened by means of hardness tests at 2300° to 2900°F and weight gain in oxygen at 2190°F. These tests delineated areas combining high hot-hardness with at least tenfold improvement in oxidation resistance over that of pure metals.
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References
H. N. Goldschmidt: An X-Ray Investigation of Systems Between Niobium Pentoxide and Certain Additional Oxides, Metallurgia, vol. 62, 1960, p. 241.
S. T. Wlodek: Oxidation of Cb-Al-V and Cb-Ti-W Alloys, presented at AIME Columbium Metallurgy Sym., Hotel Sagamore, Bolton Landing, N. Y., June 9–10, 1960.
Union Carbide Metals Co., Met. Res. Lab., unpublished data.
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Wilson, J.L., McKinsey, C.R. Tungsten-Columbium-Tantalum Alloys. JOM 13, 494–496 (1961). https://doi.org/10.1007/BF03378090
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DOI: https://doi.org/10.1007/BF03378090