| 摘要 |
FIELD: process engineering.SUBSTANCE: invention relates to welding. Welding electrode comprises metallic electrode part and flux part adjacent thereto. Self-protected welding electrode comprises rare-earth aluminide in said flux and/or electrode part in amount of about 0.5 wt % to 15 wt % of flux part. Said aluminide is selected from the group consisting of cerium aluminide, lanthanum aluminide, neodymium aluminide and cerium-iron aluminide and combinations thereof. Presence of rare-earth aluminide inhibits an ingress of oxygen and nitrogen into weld seam metal and does not notably affect phase changes in metal.EFFECT: better performances.13 cl, 3 dwg |
