| 发明名称 |
JOINT PRODUCT BETWEEN STEEL PRODUCT AND ALUMINUM MATERIAL, SPOT WELDING METHOD FOR THE JOINT PRODUCT, AND ELECTRODE CHIP FOR USE IN THE JOINT PRODUCT |
| 摘要 |
<p>This invention provides a joint product between a steel product and an aluminum material, which can realize spot welding with high bonding strength, and a spot welding method for the joint product. In one embodiment, a steel product (1) having a sheet thickness t<SUB>1</SUB> of 0.3 to 3.0 mm is joined to an aluminum material (2) having a sheet thickness t<SUB>2</SUB> of 0.5 to 4.0 mm by spot welding to form a joint product between the steel product and the aluminum material. The joint product is characterized in that the nugget area in the joint is 20 × t<SUB>2</SUB></p> |
| 申请公布号 |
WO2007097378(A1) |
申请公布日期 |
2007.08.30 |
| 申请号 |
WO2007JP53228 |
申请日期 |
2007.02.21 |
| 申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO;URUSHIHARA, WATARU;TAKEDA, MIKAKO;MATSUMOTO, KATSUSHI;KATOH, JUN |
发明人 |
URUSHIHARA, WATARU;TAKEDA, MIKAKO;MATSUMOTO, KATSUSHI;KATOH, JUN |
| 分类号 |
B23K11/20;B23K11/11;B23K11/30;B23K103/20 |
主分类号 |
B23K11/20 |
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