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Titanium Alloy Strength Diagrams at Operating Temperatures

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Metallurgist Aims and scope

Results of statistical studies of temperature dependences for strength properties of sheets and bars made of titanium alloys of different classes after standard annealing are summarized. On the basis of these studies polynomial models for estimating typical values of the ultimate strength at temperatures of 20–600°C are substantiated. Models for predicting the tensile strength of alloys at different operating temperatures depending upon aluminum and molybdenum equivalents are proposed. Generalized strength diagrams are constructed, which allow not only prediction of ultimate strength depending upon strength or structural equivalents, but also substantiation of optimum compositions of new alloys taking account of their operating condition requirements.

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Authors and Affiliations

  1. Moscow Aviation Institute (National Research University), Moscow, Russia

    Y. B. Egorova

  2. Moscow Polytechnic University, Moscow, Russia

    L. V. Davidenko

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  1. Y. B. Egorova
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  2. L. V. Davidenko
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Correspondence to Y. B. Egorova.

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Translated from Metallurg, Vol. 67, No. 5, pp. 45–53, May, 2023

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Egorova, Y.B., Davidenko, L.V. Titanium Alloy Strength Diagrams at Operating Temperatures. Metallurgist 67, 614–627 (2023). https://doi.org/10.1007/s11015-023-01550-z

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  • DOI: https://doi.org/10.1007/s11015-023-01550-z

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