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Dilatometric and thermographic investigation of the reactive sintering of porous titanium nickelide

II. Effect of iron additions on the production of titanium nickelide by reactive sintering

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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

Replacing 1 or 3% Ni with Fe in the sintering of an equiatomic titanium-nickel mixture has an inhibit. effect on the reactive diffusion process. Thermograms recorded during the sintering of 50% Ti-49% Ni-1% Fe and 50% Ti-47% Ni-3% Fe mixtures exhibit three clearly defined heat evolution peaks. The first peak is linked with a solid-phase reaction, and the second with reactive diffusion in the presence of a liquid phase forming as a result of contact melting. Data yielded by differential dilatometric analysis accord well with thermograms. Specimens from the three-component mixture, unlike those from the two-component mixture, experience elongation only after the attainment of contact melting temperatures.

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Authors and Affiliations

  1. Institute of Materials Science, Academy of Sciences of the Ukrainian SSR, Ukraine

    I. F. Martynova, V. Ya. Petrishchev & V. V. Skorokhod

Authors
  1. I. F. Martynova
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  2. V. Ya. Petrishchev
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  3. V. V. Skorokhod
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Additional information

Translated from Poroshkovaya Metallurgiya, No. 12(252), pp. 18–22, December, 1983.

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Martynova, I.F., Petrishchev, V.Y. & Skorokhod, V.V. Dilatometric and thermographic investigation of the reactive sintering of porous titanium nickelide. Powder Metall Met Ceram 22, 979–982 (1983). https://doi.org/10.1007/BF00802423

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  • DOI: https://doi.org/10.1007/BF00802423

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