Influence of Gas-Tungsten-Arc Electrode Material on AC TIG Arc Welding :
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- HINATA,Teruhiko
- Institute of Vocational Training
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- YASUDA,Katsuhiko
- Institute of Vocational Training
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- IGAWA,Makoto
- Suganuma Ltd.
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- ONZAWA,Tadao
- Tokyo Institute of Technology
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説明
The influence of tungsten electrode material of the arc phenomenon and the weldability of AC TIG arc welding method aiming at current waveform and EN ratio are investigated. In welding of aluminium using inverter controlled power supply, when the EN ratio is set at around 95%, melting deformation of electrode tip is little and welding stability is high, but sufficient cleaning action cannot be obtained. Meanwhile, concentration of arc is reduced when EN ratio is set at around 80%. Under the EN ratio of about 68% which produces relatively good welding results, the influence of electrode material on the welding result is less in case of using inverter controlled power supply than when using thyristor controlled power supply. In the meantime, stable welding result can be obtained by using CeO_2 (1~2%)-W or Lo_2O_3 (1%)-W with either of the two types of power supply.
収録刊行物
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- Transactions of the Japan Welding Society
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Transactions of the Japan Welding Society 24 (2), 15-22, 1993-10-01
Japan Welding Society
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詳細情報 詳細情報について
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- CRID
- 1544231895055385216
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- NII論文ID
- 110003379945
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- NII書誌ID
- AA00867091
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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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- NDLデジコレ(旧NII-ELS)
- CiNii Articles