Conclusions
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1.
The technique described enables grinding grains of refractory compounds to be produced with yields of various fractions ranging from 22 to 15%.
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2.
Repeated processing of scrap powder with the aim of increasing the degree of its utilization raises its free carbon content, and for this reason should be performed in a carbon-free atmosphere.
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M. S. Koval'chenko, A. P. épik, and A. G. Dobrovol'skii, An Industrial Process for the Preparation of Technical Titanium and Zirconium Carbides [in Russian], Inf. Pis'mo IMSS AN USSR, No. 132, Izd-vo AN USSR, Kiev (1958).
V. S. Rakovskii, G. V. Samsonov, and I. I. Ol'khov, Principles of Hard Alloy Production [in Russian], Metallurgizdat, Moscow (1960).
G. V. Samsonov, Refractory Compounds [in Russian], Metallurgizdat, Moscow (1963).
A. Ya. Artamonov and A. I. Bezykornov, Poroshkovaya Met., No. 9 (1966).
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Translated from Poroshkovaya Metallurgiya, No. 2 (86), pp. 108–110, February, 1970.
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Bezykornov, A.I., Dobrovol'skii, A.G., Koval'chenko, M.S. et al. Production of grinding grains of refractory compounds. Powder Metall Met Ceram 9, 174–176 (1970). https://doi.org/10.1007/BF00802157
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DOI: https://doi.org/10.1007/BF00802157