Welding dissimilar metal microwires by Joule heating

Takuya Sunagawa, Hironori Tohmyoh

研究成果: Article査読

1 被引用数 (Scopus)

抄録

In this paper we report on the Joule heat welding of dissimilar metal microwires. The current required for successful welding was investigated. Various combinations of 25μm diameter Cu, Au and Al microwires were welded together using this technique. The welded dissimilar metal wire systems were then cut by supplying a higher current, and it was found that the position at which the wires cut was not at the midpoint, i.e., the position of the weld, of the wire system. This is because the temperature distributions formed in the dissimilar metal systems were asymmetrical. The positions at which the wires cut were in good agreement with those predicted by a heat conduction model. The lower limit for successful welding of the dissimilar metal microwire system was found to be determined by the lower of the two currents required to cut microwires of the individual materials.

本文言語English
論文番号06FL01
ジャーナルJapanese journal of applied physics
54
6
DOI
出版ステータスPublished - 2015 6 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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