Abstract
New high-porous corrosion-resistant materials are produced from steel fibers and a base porous material made by pressing and sintering of St.10 steel fibers. The materials obtained by chromizing (4.8–7.1 wt.%) and nickelizing (2.1–2.4 wt.%) a 60–90%-porosity base material have yield strength higher by a factor of 2 to 6 than that of the base material. The materials obtained by electrochemical coating of a base fibrous material with eutectic composite Ni-Ni3B and subsequent liquid-phase sintering at 1120 °C contain 3.5–14.0 wt.% Ni. The yield strength of these materials at a porosity of 60–90% is higher by a factor of 2 to 3 than that of the base material.
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References
Yu. O. Guslienko, M. S. Shevchuk, M. V. Sechkin, et al., xxx“Method of Making Porous Material Mainly for the Filtration of High-Viscous Molten Polymers” [in Russian], Ukrainian Patent No. 26049, February 29, 1999.
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Translated from Poroshkovaya Metallurgiya, Vol. 47, No. 5–6 (461), pp. 39–44, 2008.
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Kostornov, A.G., Kirichenko, O.V., Brodnikovskii, N.P. et al. High-porous materials made from alloy steel fibers: Production, structure, and mechanical properties. Powder Metall Met Ceram 47, 295–298 (2008). https://doi.org/10.1007/s11106-008-9019-1
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DOI: https://doi.org/10.1007/s11106-008-9019-1