溶接学会論文集
Print ISSN : 0288-4771
パイプの円周溶接モデルに関する実験的検討
宮坂 史和横川 知之桝谷 武司西川 宏黄地 尚義平田 好則
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1998 年 16 巻 4 号 p. 471-478

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This work is intended to develop a three-dimensional numerical model for circumferential GTA (Gas Tungsten Arc) welding of pipes. A model for circumferential welding of pipes with single-Vee groove is developed in the last report. In the present paper, the calculated result by using the model has been compared with the experimental results in GTA welding. And the influence of surface tension or arc pressure on GTA weldine process has been discussed experimentally and theoretically.
As a result, it is concluded that the model, developed in the present work, is a useful guide for circumferential welding of pipes.

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