| 2012 №05 (05) | 2012 №05 (07) |
The Paton Welding Journal, 2012, #4, 31-36 pages
Effect of additions of aluminium to flux-cored wire on properties of high-carbon deposited metal
S.Yu. Krivchikov
E.O. Paton Electric Welding Institute, NASU, Kiev, Ukraine
Abstract
Crack resistance and porosity of low carbon alloys in hardfacing using self-shielding flux-cored wire was investigated. It was established that alloying the deposited metal with over 0.7 wt.% aluminium leads to increase in its martensite phase content and decrease in its crack resistance. It was shown that maximal hardness of the deposited metal at an insignificant decrease in its crack resistance could be achieved at the 0.5—0.7 wt.% aluminium content.
Keywords: hardfacing, self-shielding flux-cored wire, deposited metal, aluminium, crack resistance, microstructure, hardness, microhardness
Received: 27.01.2012
Published: 06.04.2012
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