Conclusions
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1.
Fine waste of rimmed steel and cast iron can be used as a raw material in the manufacture of cheap fine iron powder suitable for the cermet industry.
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2.
The microstructural investigation of this fine waste as well as the chemical analysis showed with an adequate accuracy its condition and proved that it is suitable for the intended purpose; they also made possible the selection of a suitable method for processing this waste to iron powder which can be used as a raw material by the cermet industry.
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3.
It has been shown that in principle it is possible to obtain iron powder: a) from fine waste of rimmed steel by the method used in the reduction of rolling scale and b) from fine waste of liquid cast iron using the hydromechanical and iron ore methods normally employed in processing cast iron chips. Special research is needed to develop the commercial processes for producing iron powder from this waste.
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Literature cited
S. Z. Bokshtein, Collection: Diffusion Processes, Structure, and Properties of Metals [in Russian], Mashinostroenie, Moscow (1964).
N. V. Manukyan, Powder Metallurgy and Metalworking [in Russian], Erevan (1963).
N. V. Manukyan and M. V. Kas'yan, “Efficiency methods for obtaining iron powders,” Proceedings of the Seventh All-Union Scientific Technical Conference on Powder Metallurgy [in Russian], Erevan (1964).
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Translated from Poroshkovaya Metallurgiya, No. 1, pp. 91–96, January, 1968.
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Aksenov, G.I., Zaveryukha, N.V. & Drozdov, I.A. Prospects of the processing of fine metallurgical waste to iron powder. Powder Metall Met Ceram 7, 69–73 (1968). https://doi.org/10.1007/BF00776114
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DOI: https://doi.org/10.1007/BF00776114