| 摘要 |
PURPOSE:To settle a joining strength shortage due to the formation of an intermetallic compound on the joining interface and a strength shortage of intermediate material by cladding Ni between Ti cladding material and steel base metal as the intermediate material by the resistance welding. CONSTITUTION:Ni is inserted between the Ti cladding material and the steel base metal as the intermediate material and afterward, clad by the resistance welding. As a result, although the exceedingly thin intermetallic compound is formed on the joining interface, since the entire interface is not taken up by this compound and moreover, cracked defects do not take place, high values in both the shear and peel strengths are obtained. Moreover, the manufacture of inexpensive clad steel is made possible and its productivity is satisfactory and there is also no problem on the safety side.
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