| 2011 №10 (03) | 2011 №10 (05) |
The Paton Welding Journal, 2011, #10, 14-17 pages
ROLE OF NON-METALLIC INCLUSIONS IN CRACKING DURING ARC CLADDING
Yu.M. KUSKOV, D.P. NOVIKOVA and I.L. BOGAJCHUK
E.O. Paton Electric Welding Institute, NASU, Kiev, Ukraine
Abstract
The effect of non-metallic inclusions in the base metal on initiation and propagation of cracks in the deposited metal is considered. It is shown that, in addition to the non-metallic inclusions, the propagation of cracks in the deposited metal is also promoted by the hardening phases present in its structure, as well as by the polygonisation boundaries. However, the latter are not the initiating factors of cracking.
Keywords: base and deposited metals, non-metallic inclusions, cracks, hardening phases, polygonisation boundaries
Received: ??.??.??
Published: 28.10.11
References
1. Kuslitsky, A.B. (1976) Non-metallic inclusions and fatigue of steel. Kiev: Tekhnika.
2. Movchan, B.A. (1962) Microscopic heterogeneity in cast alloys. Kiev: Gostekhizdat UkrSSR.
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