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  4. № 01/02 2013
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Formation of Structure and Properties during Sintering of Fe-Cr-C Alloys with the Vanishing Liquid Phase

M.Brodnikovskyy,
 
† A.Mikhaylov,
 
P.Mazur,
 
K.Chirik,
 
A.Samelyuk,
 
M.S.Tkachenko,
 
S.Firstov
 

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, 2013, #01/02
http://www.materials.kiev.ua/article/909

Abstract

The possibility to increase the wear resistance and bending strength of Fe–Cr–C alloys with a high content of chromium carbide produced by powder metallurgy is studied. The regularities of structure and mechanical properties as a function of alloy composition and production conditions are determined. The conditions of sintering and composition of the alloys with a high content of chromium carbide ensuring high abrasive wear resistance, which is 1.5 times greater than that of alloy VK8, are found. The structure of the alloy is a composite of fine chromium carbides obtained by dosing of the liquid phase vanishing during sintering.


ALLOY, FE–CR–C SYSTEM, SINTERING, STRENGTH, STRUCTURE, WEAR RESISTANCE

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