The Effects of He-Ar-O_2 Shielded Gas Addition on GTA Welding on Welded Shape of UNS S31803 Duplex Stainless Steel

机译：HE-AR-O_2屏蔽气体对焊接焊接焊接GTA焊接的影响，ONE S31803双相不锈钢

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The effects of oxygen in helium-argon base shielded GTAW on weld shape of weld penetration are systematically investigated by bead-on-pale welding on UNS S31803 duplex stainless steel. The results show that amount of oxygen addition to He-Ar mixed shielding can significantly change the weld shape from a wide narrow type to narrow deep one and the weld depth/width ratio can be doubled due to the change in Marangoni convection condition from an outward to an inward direction.

机译：通过在Unt S31803双相不锈钢上系统地研究了浅焊接氦 - 氩基屏蔽GTAW对焊接穿透焊接焊接的影响。结果表明，HE-AR混合屏蔽的氧气量可以显着改变宽窄型的焊接形状，窄深，焊接深度/宽度比从向外的Marangoni对流条件的变化增加增加一倍。向内方向。

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《International Conference on Key Engineering Materials》|2011年||共4页
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Santirat Nansaarng; Suthiphong Sopha;
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中图分类 TB3-53;
关键词
Weld shape; Marangoni convection; Mixed shielding gas; Duplex stainless steel; Austenite/ferrite phase;

机译：焊接形状;Marangoni对流;混合屏蔽气体;双面不锈钢;奥氏体/铁氧体相;

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4. The Effects of He-Ar-O_2 Shielded Gas Addition on GTA Welding on Welded Shape of UNS S31803 Duplex Stainless Steel [C] . Santirat Nansaarng, Suthiphong Sopha International Conference on Key Engineering Materials . 2011

机译：HE-AR-O_2屏蔽气体对焊接焊接焊接GTA焊接的影响，ONE S31803双相不锈钢
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The Effects of He-Ar-O_2 Shielded Gas Addition on GTA Welding on Welded Shape of UNS S31803 Duplex Stainless Steel

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