Bead formation and wire temperature distribution during ULTRA-HIGH-SPEED GTA WELDING using pulse-heated hot-wire

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• 作者：Kenji Shinozaki (1)
  Motomichi Yamamoto (1)
  Mr. Koichi Mitsuhata (2)
  Mr. Toshiharu Nagashima (3)
  Mr. Tatsunori Kanazawa (3)
  Mr. Hitoshi Arashin (3)
  
• 关键词：GTA welding ; Hot ; Wire ; High ; Speed ; Temperature
• 刊名：Welding in the World
• 出版年：2011
• 出版时间：March 2011
• 年：2011
• 卷：55
• 期：3-4
• 页码：12-18
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  11. Arashin H., Kanazawa T., Nagashima T., Shinozaki K., Yamamoto M. and Yoshiuchi T.: Study on high-speed-welding with hot-wire TIG welding methods using pulsed current to heat filler wire (Report 1), Preprints of the National Meeting of the Japan Welding Society, April 2006, pp. 61-62.
  12. Nagashima T., Arashin H., Kanazawa T., Shinozaki K., Yamamoto M., Sakamoto S. and Nagamitsu Y.: Study on high-speed-welding with hot-wire TIG welding methods using pulsed current to heat filler wire (Report 2), Preprints of the National Meeting of the Japan Welding Society, September 2006, pp. 64-65.
  13. Yamamoto M., Shinozaki K., Myoga T., Kanazawa T. and H. Arashin: Development of ultra-high-speed GTA welding process using pulse-heated hot-wire, IIW Doc. XII-1927鈥?7, 2007.
  14. Shinozaki K., Yamamoto M., Mitsuhata K., Arashin H., Kanazawa T., Nagamitsu Y. and Taki Y.: Study on high-speed-welding with hot-wire TIG welding methods using pulsed current to heat filler wire (Report 3), Preprints of the National Meeting of the Japan Welding Society, September 2007, pp. 288-289.
  15. Shinozaki K., Yamamoto M., Uchida T., Mitsuhata K., Kanazawa T. and Arashin H.: Development of ultra-high-speed GTA welding process using pulse-heated hot-wire, Preprints of the National Meeting of the Japan Welding Society, April 2008, pp. 228-229.
  16. Shinozaki K., Yamamoto M., Nagamitsu Y., Uchida T., Mitsuhata K., Kanazawa T. and Arashin H.: Melting phenomenon during ultra-high-speed GTA welding method using pulse-heated hot-wire, Quaterly Journal of the Japan Welding Society, 2009, vol. 27, no. 2, pp. 22s鈥?6s. CrossRef
  
• 作者单位：Kenji Shinozaki (1)
  Motomichi Yamamoto (1)
  Mr. Koichi Mitsuhata (2)
  Mr. Toshiharu Nagashima (3)
  Mr. Tatsunori Kanazawa (3)
  Mr. Hitoshi Arashin (3)
  
  1. Department of Mechanical System Engineering, Graduate School of Engineering, Hiroshima University, Bab-Hitachi Industrial Co., Higashi-Hiroshima, Japan
  2. Bab-Hitachi Industrial Co. Babcock-Hitachi K.K, Hiroshima-ken, Japan
  3. Bab-Hitachi Industrial Co., Hiroshima-ken, Japan
  
• ISSN：1878-6669

文摘

The melting of filler wire is investigated in detail to obtain the precise temperature distribution of the filler wire during ultra-high-speed gas tungsten arc (GTA) welding and develop ultra-high-speed GTA welding with a pulse-heated hot-wire system for three kinds of materials. The melting phenomena of the filler wire were observed using a high-speed camera, and temperature distributions of the filler wire were measured using a radiation thermometer. The results show that ultra-high-speed GTA welding can be achieved with suitable welding conditions for each material. Ultra-high-speed GTA welding requires suitable wire current to obtain a suitable temperature distribution and melting position of the filler wire. Moreover, the temperature distributions of three kinds of filler wire could be estimated using a proposed simple estimation method.