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Welding technology of the intermetallic Fe3 Al phase

Garbala K., Patejuk A.

Archives of Foundry Engineering

2010

Vol. 10, iss. 1 spec.

459--462

This paper presents the analyses of the welding terms and estimation of the welded joints quality for intermetallic Fe3Al. Materials, on the base which, joints were made and some welding technologies has been examined. Results of that investigations let one to type welding methods and materials that gives the best physicochemical effects of the joints. Regarding to the specific properties of the welded material especially its quite high hardness and fragility, it has been proposed that when joining intermetallic Fe3Al advisable would be welding in an argon cover with using Es9CrNiB electrode optionally electrowelding with Es 9CrNiB electrode. Welds made that way are thought to have the best properties within methods and welding materials being tested.