Technique to Prevent Metal Deposition on Optical Components in Space Diode Laser Welding for Space Applications
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- SUITA Yoshikazu
- Department of Electro-Mechanical Systems Engineering, Kagawa National College of Technology
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- TANAKA Kenji
- Department of Electro-Mechanical Systems Engineering, Kagawa National College of Technology
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- OHTANI Masato
- Department of Electro-Mechanical Systems Engineering, Kagawa National College of Technology
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- SHOBAKO Shinichiro
- Department of Electro-Mechanical Systems Engineering, Kagawa National College of Technology
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- TERAJIMA Noboru
- Department of Electro-Mechanical Systems Engineering, Kagawa National College of Technology
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- HIRAOKA Nobuaki
- Department of Electro-Mechanical Systems Engineering, Kagawa National College of Technology
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In future space developments, welding in space may be required for repairs to the International Space Station and for constructing lunar bases and space structures. This paper describes the results of applying the space diode laser (DL) welding process, which the authors proposed in 2002. To use the DL welding process in space, it is necessary to prevent metal deposition on optical devices. We investigated a technique for preventing metal deposition in which the nozzle is installed at optical devices and a shielding gas is ejected from the nozzle outlet. Metal deposition can be reduced by blowing inert gas from the nozzle. The shielding gas argon completely prevents metal deposition on optical devices when the argon pressure in the nozzle is over 19.9 Pa and argon is ejected from the nozzle outlet.
収録刊行物
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- TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES
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TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 54 (183), 67-73, 2011
一般社団法人 日本航空宇宙学会
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詳細情報 詳細情報について
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- CRID
- 1390001204079448960
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- NII論文ID
- 10029541294
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- NII書誌ID
- AA0086707X
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- ISSN
- 21894205
- 05493811
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- NDL書誌ID
- 11075196
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可