Study on Characteristics of Inner Ring Laser Powder Feed Molten Pool of Thin Workpiece

Shao Hua Wu; Shi Hong Shi; Jun Yan Xiao; Ge Yan Fu

doi:10.4028/www.scientific.net/AMM.43.565

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 43Study on Characteristics of Inner Ring Laser...

Study on Characteristics of Inner Ring Laser Powder Feed Molten Pool of Thin Workpiece

Abstract:

In order to obtain the characteristic parameters of molten pool and realize real-time control of laser power, a high-speed CCD is used to monitor the laser rapid forming process of thin-walled rotating hollow cone, which is based on the technology of "hollow beam, powder tube center, inside-beam powder feeding".Experiments show that: In the plateau stage, pool area changes in 0.25mm2-0.7mm2, laser power remains at about 1kw, formed parts achieves maximum height of 55mm.

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Periodical:

Applied Mechanics and Materials (Volume 43)

Pages:

565-568

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.43.565

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Online since:

December 2010

Authors:

Shao Hua Wu, Shi Hong Shi, Jun Yan Xiao, Ge Yan Fu

Keywords:

High-Speed CCD, Laser Cladding, Molten Pool, Ring Laser Beam

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