The Influence of Pulsed Heat and Power Supply on the Structure and Properties of Welded Joint Metals and Surfaced Coatings

Author:

Saraev Yuriy N.1,Bezborodov Valeriy P.1,Putilova Evgenya A.2

Affiliation:

1. Institute of the Physics of Strength and Materials Science SB RAS

2. Institute of Engineering Science, Ural branch of RAS

Abstract

We have investigated the influence of the modes of adaptive pulse-arc welding and surfacing on the structure and physical-mechanical properties of welded joints of steel 09Mn2Si and the surfaced composition of this steel coated with a modified powder material of chromium carbide with the submicrocrystalline structure. It is shown that the pulsed mode of welding and surfacing can improve the homogeneity of the structure of the welded joint of steel and a surfaced coating and reduce the grain size of metals in both of them. Structural changes lead to an increase in ductility and toughness of the weld metal.

Publisher

Trans Tech Publications, Ltd.

Reference15 articles.

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