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Embrittlement of titanium by liquid cadmium

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Abstract

Liquid cadmium severely embrittles commercially pure titanium (titanium-55A), by reducing the elongation at fracture by about a factor of ten. A ductile-brittle transition is observed as the temperature is increased, with the transition temperature increasing as the strain rate is increased. At high temperatures and low strain rates the titanium is ductile; while it is brittle at low temperatures and high strain rates. Fracture in the embrittled condition occurs intergranularly. The dependence of the ductile-brittle transition temperature on strain rate correlates reasonably well with the dependence of flow stress on temperature and strain rate, using published theories of the ductile-brittle transition.

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Authors and Affiliations

  1. Science Center, North American Rockwell Corp., Thousand Oaks, Calif.

    W. M. Robertson

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  1. W. M. Robertson
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Robertson, W.M. Embrittlement of titanium by liquid cadmium. Metall Trans 1, 2607–2613 (1970). https://doi.org/10.1007/BF03038392

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