Fundamental study for precise Al to Fe welding with control of interfacial reaction in molten Al near interface between Al and Fe

• Project/Area Number: 24656427
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Single-year Grants
• Research Field: Material processing/treatments
• Research Institution: Tohoku University
• Principal Investigator: SATO Yutaka 東北大学, 工学(系)研究科(研究院), 准教授 (00292243)
• Co-Investigator(Kenkyū-buntansha): KOKAWA Hiroyuki 東北大学, 大学院工学研究科, 教授 (10133050) ; FUJII Hiromichi 東北大学, 大学院工学研究科, 助教 (70560225)
• Project Period (FY): 2012-04-01 – 2014-03-31
• Project Status: Completed (Fiscal Year 2013)
• Budget Amount: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2012: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
• Keywords: 材料加工・処理 / 異材接合 / アルミニウム合金 / 亜鉛めっき鋼板 / 金属間化合物

Research Abstract

The objective of this study is to obtain fundamental knowledge on effect of alloying elements on formation of intermetallic compound layer at the interface between aluminum and steel and the formation mechanism, which is available to precisely control the interfacial reaction during welding of aluminum to steel. In this study, effect of Cu, Ni and Ti on formation of intermetallic compound layer at the interface was examined. These alloying elements hardly affected types of intermetallic compound formed at the interface, but Ti reduced thickness of formed intermetallic layers. Mechanism on the thickness reduction attempted to be clarified, which should be an useful knowledge for highly precise control of interracial reaction during welding of aluminum to steel.

Research Products

• [Remarks]
  • URL: http://www.material.tohoku.ac.jp/labs/mate01.html