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METAL SHEETS SPOT WELDING WITH INOCULATION AGENTS 发明申请

2023-08-21 1890 273K 0

专利信息

申请日期 2025-07-09 申请号 KR1020160081923
公开(公告)号 KR1020180002423A 公开(公告)日 2018-01-08
公开国别 KR 申请人省市代码 全国
申请人 HEBEI LIXIN TECHNOLOGY CO LTD
简介 The present invention relates to a method of spot-welding two sheets mainly made of galvanized steel, including the following methods : predetermining a position area of two sheets in which a welding point is formed, and which are in contact with each other; forming a small hole in a center of the position area of at least one of the two sheets; introducing particles of an inoculation agent into the hole; and passing a current into the two sheets through a pair of electrodes to thereby spot-weld the sheets, wherein the particles include at least one material selected from one group made of (a) a C + Ti-B alloy; and (b) an Al-Ti-B-Re alloy + C.COPYRIGHT KIPO 2018


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