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THE STRUCTURE AND PROPERTIES OF HIGH-CARBON FERROCHROME POWDER PRODUCED FROM FKh800 FERROALLOY

V.Masluk,
 
E.S.Karaimchuk,
 
V.Kurochkin,
 
A.Mamonova,
 
A.Khomenko
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2018, #05/06
http://www.materials.kiev.ua/article/2526

Abstract

The structure, chemical and phase composition, and physical properties of the high-carbon ferrochrome powder produced by grinding lump pig FKh800 ferroalloy have been examined. The pycnometric and bulk densities of the powders and their compressibility at 600–800 MPa have been determined. It is shown that the content of harmful impurities, S and P, in the FKh800 powder complies with the requirements of GOST 4757–91. The structure of the resultant powder consists of (Cr, Fe)7C3 complex carbide and a solid solution of carbon in chromium ferrite.


COMPLEX IRON–CHROMIUM CARBIDE, COMPOSITE, FKH800, HARDNESS, IRON, POWDER MATERIALS, SINTERING

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