Investigation on coaxial visual characteristics of molten pool in laser-based directed energy deposition of AISI 316L steel

Zi-jue Tang,Wei-wei Liu, Li-na Zhu,Zhi-chao Liu,Zhao-rui Yan,Dong Lin,Zhao Zhang,Hong-Chao Zhang

Journal of Materials Processing Technology（2021）

引用 13|浏览2

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摘要

•Molten pool can be divided into three regions to describe LDED process.•Coaxial visual characteristics can reflect metallurgical behaviors of molten pool.•There is a definite relationship between visual and temperature characteristics.•Visual characteristics can be used to monitor process state and product qualities.

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关键词

Additive manufacturing,Directed energy deposition,Laser cladding,Molten pool,Visual characteristics

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