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Metallurgist
Published in: Metallurgist 5-6/2014

01-09-2014

Factors That Affect the Quality of Hot-Forged Bimetallic Powder Products

Authors: E. N. Bessarabov, M. Q. K. Yasi, Yu. G. Dorofeyev, V. Yu. Dorofeyev

Published in: Metallurgist | Issue 5-6/2014

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Abstract

This article examines questions related to improving the quality of hot-worked bimetallic powder materials. It analyzes the technological factors in the first stage of the process of producing a bimetal – cold pressing of the outer layer. A description is given of a technology that eliminates the need for auxiliary structural elements for the compression mold (shells, connectors, etc.), better protects the preform from oxidation while it is being heated prior to finish forging, and improves the quality of the transition layer and the bimetal as a whole.
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Literature
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L. I. Svistun, T. M. Pavlygo, and D. V. Dmitrenko, “Technology for the hot forging of powdered carbide steels of the alloy steel – carbide type,” Tekhnol. Metallov, No. 6, 30–36 (2009).
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L. I. Svistun, R. L. Plomod’yalo, D. V. Dmitrenko, et al., Patent No. 2369465 RF, IPC B22F3/02, “Method of making semifinished products from non-deformable powders of carbide steel in a casing and equipment for its implementation,” subm. 06.04.2007, publ. 10.10.2009, Byull., No. 28.
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Yu. G. Dorofeev, B. G. Gasanov, V. G. Tamadaev, et al., Author’s Certificate No. 1315131 USSR, IPC B22F3/02, B30B15/02, “Press-form,” No. 3882895/22-02, subm. 02.19.85, publ. 06.07.87, Byull., No. 21.
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Yu. G. Dorofeev, V. Yu. Dorofeev, A. V. Babets, et al., Patent No. 2148475 RF, IPC B22F7/04, “Method of making multi-layered powder products,” subm. 12.30.98, publ. 05.10.2000, Byull., No. 13.
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Yu. G. Dorofeyev and V. Yu. Dorofeyev, “Bimetallic preforms for production of hot-deformed powder parts,” Proc. Int. Conf. Deformation and Fracture in Structural PM Materials, Oct. 13–16, 1996, Slovakia, Vol. 1, pp. 367–370.
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Yu. G. Dorofeev, V. Yu. Dorofeev, V. P. Semchenkov, and S. M. Lapeev, “Production of laminated bimetallic products with composite powder layers,” Proc. Int.. Conf. Laminated Composite Materials-98,VGTU,Volgograd (1998), pp. 299–300.
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Yu. G. Dorofeyev and V. Yu. Dorofeyev, “The structure formation peculiarities of bimetal “steel–bronze” with powder working layer during hot deformation,” Proc. Europ. Congr. and Exhibition on Powder Metallurgy, Euro PM 2003, Oct. 20–22, 2003, Valencia, Spain, Vol. 3, pp. 439–444.
Metadata
Title
Factors That Affect the Quality of Hot-Forged Bimetallic Powder Products
Authors
E. N. Bessarabov
M. Q. K. Yasi
Yu. G. Dorofeyev
V. Yu. Dorofeyev
Publication date
01-09-2014
Publisher
Springer US
Published in
Metallurgist / Issue 5-6/2014
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-014-9927-x

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