JAXA Repository / AIREX 未来へ続く、宙(そら)への英知

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Other TitleWelding phenomenon and removal mechanism of aluminum-oxide film by the space GHTA welding process
Author(jpn)江國 友英; 吹田 義一; 亀井 美佐; 佃 芳行; 寺嶋 昇; 山下 雅弘; 今川 吉郎
Author(eng)Ekuni, Tomohide; Suita, Yoshikazu; Kamei, Misa; Tsukuda, Yoshiyuki; Terajima, Noboru; Yamashita, Masahiro; Imagawa, Kichiro
Author Affiliation(jpn)高松工業高等専門学校; 高松工業高等専門学校; 高松工業高等専門学校; 高松工業高等専門学校; 高松工業高等専門学校; 香川県産業技術センター; 宇宙航空研究開発機構
Author Affiliation(eng)Takamatsu National College of Technology; Takamatsu National College of Technology; Takamatsu National College of Technology; Takamatsu National College of Technology; Takamatsu National College of Technology; Kagawa Prefectural Industrial Technology Center; Japan Aerospace Exploration Agency
Issue Date2005-03
PublisherInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)
Publication title宇宙利用シンポジウム 第21回 平成16年度
Space Utilization Research: Proceedings of the Twenty-first Space Utilization Symposium
Start page59
End page62
Publication date2005-03
AbstractAluminum alloys have been widely used in constructing various space structures, including the International Space Station (ISS) and launch vehicles. In order to apply the welding technologies to space environment, welding experiments on the aluminum alloy have been conducted in vacuum using the GHTA (Gas Hollow Tungsten Arc) welding processes. In these experiments, removal mechanism of aluminum-oxide film and the melting phenomena of a filler wire were investigated, in which a high-speed video camera and a SEM (Scanning Electron Microscope) were employed. The experiments under the various welding conditions in vacuum were performed.
Keywordsgas hallow tungsten arc welding; aluminum alloy; oxide film; arc welding; aerospace environment; arc discharge; bead; welding in vacuum; welding condition; microstructure; ガスハロータングステンアーク溶接; アルミニウム合金; 酸化膜; アーク溶接; 宇宙環境; アーク放電; ビード; 真空中の溶接; 溶接条件; 微細構造
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会

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