专利名称：RESISTANCE SPOT WELDING METHOD FOR
晶莹剔透的露珠
ALUMINUM MATERIAL AND STEEL
MATERIAL, AND WELD JOINT
发明人：MATSUMOTO KATSUSHI，松本 克
史,URUSHIBARA WATARU，漆原 亘,SUGIZAKI
YASUAKI，杉崎 康昭
汇报提纲格式申请号：JP2005132689
申请日：20050428
公开号：JP2005334971A
育人故事公开日：
20051208
专利内容由知识产权出版社提供
6斤
海虾的做法
专利附图：
摘要：
PROBLEM TO BE SOLVED: To provide a resistance spot welding method for aluminum material and steel material by which aluminum or aluminum alloy material (hereinafter "aluminum material") and steel or steel alloy material (hereinafter "steel material") are superpod and the superpod part is energized for applying resistance spot welding
to the above material without causing a crack in a nugget.
好看的头像漫画SOLUTION: A welding current is made smaller at the completion of energization than at the start. Desirably, the average cooling rate from 600°C to 200°C of the nugget formed on the aluminum material side is t to be 2,500°C/s or below. Further, the minimum thickness of the nugget on the aluminum material side is designed to satisfy expression (1): (minimum thickness of nugget on aluminum material side / plate thickness of aluminum ba material)≥0.3.
COPYRIGHT: (C)2006,JPO&NCIPI
母女俩
上学帮申请人：KOBE STEEL LTD，株式会社神戸製鋼所
地址：兵庫県神戸市中央区脇浜町二丁目１０番２６号
国籍：JP
代理人：植木 久一，菅河 忠志，二口 治，伊藤 浩彰
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