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Proceedings Paper

Analysis of laser-induction hybrid cladding processing conditions
Author(s): Yongjun Huang; Xiaoyan Zeng; Qianwu Hu
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Paper Abstract

A new cladding approach based on laser-induction hybrid technique on flat sheets is presented in this paper. Coating is produced by means of 5kw cw CO2 laser equipped with 100kw high frequent inductor, and the experiments set-up, involving a special machining-head, which can provide laser-induction hybrid heat resources simultaneously. The formation of thick NiCrSiB coating on a steel substrate by off-axial powder feeding is studied from an experimental point of view. A substrate melting energy model is developed to describe the energy relationship between laser-induction hybrid cladding and laser cladding alone quantitatively. By comparing the experimental results with the calculational ones, it is shown that the tendency of fusion zone height of theoretical calculation is in agreement with that of tests in laser-induction hybrid cladding. Via analyses and tests, the conclusions can be lead to that the fusion zone height can be increased easily and the good bond of cladding track can be achieved within wide cladding processing window in laser-induction hybrid processing. It shows that the induction heating has an obvious effect on substrate melting and metallurgical bond.

Paper Details

Date Published: 14 November 2007
PDF: 8 pages
Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 67221E (14 November 2007); doi: 10.1117/12.782999
Show Author Affiliations
Yongjun Huang, Huazhong Univ. of Science and Technology (China)
Huazhong Agricultural Univ. (China)
Xiaoyan Zeng, Huazhong Univ. of Science and Technology (China)
Qianwu Hu, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 6722:
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies

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