Dynamic keyhole behaviors and element mixing in paraxial hybrid plasma-MIG welding with a gap

Dongsheng Wu,Kazuya Ishida,Shinichi Tashiro,Kazufumi Nomura,Xueming Hua,Ninshu Ma,Manabu Tanaka

International Journal of Heat and Mass Transfer（2023）

引用 4|浏览15

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摘要

•The Fe vapor ejected from the wire surface decreases the MIG arc temperature.•The molten metal flow and pressure imbalance near the keyhole bottom contribute to the keyhole collapse.•The element mixing behaviors are driven by the molten metal flow inside the molten pool.

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关键词

Hybrid plasma-MIG welding,Metal vapor,Spectroscope,Keyhole behaviors,Element mixing

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