Experimental Study on the Nickel-Based Metal Parts Manutactured by Laser Cladding

Abstract:

This paper presents an experimental research on the metal parts manufactured by laser cladding. The present studies showed two processes were conducted ,including coaxial powder-feed cladding and pre-placed powder cladding. The effect of processing parameters were studied and optimum set of parameters for the superior surface quality was established by employing the orthog -onal design. The manufactured parts were subjected to metallographic examination and micro -hardness measurement. Results showed that the microstructure of coaxial cladding parts was better than that of pre-placed powder cladding parts. The micro-hardness of the manufactured specimen along and vertical the scanning direction were measured using a HVS-1000 micro-hardness tester with a 200g applied load. Analysis of the physical properties provided further evidence of differences in micro-hardness produced by different process conditions, and the average micro -hardness value of pre-placed power cladding layer was lower than that of the coaxial powder-feed cladding layer.

• Periodical: Advanced Materials Research (Volumes 154-155)
• Pages: 959-963
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.154-155.959
• Online since: October 2010
• Authors: Zhao Mei Xu, Zong Hai Hong
• Keywords: Coaxial Powder-Feed Cladding, Laser Cladding, Microhardness, Microstructure, Orthogonal Test

References

[1] A.J. Pinkerton, L. Li: Thin Solid Films. 2004, pp.453-454, 471-476.

[2] R. Barnes, N. Timms, B. Bryden and I. Pashby: Journal of materials Processing Technology, Vol. 138 (2003), pp.411-416.

DOI: 10.1016/s0924-0136(03)00109-2

[3] U.D. Oliveira, V. Ocelik and J. Th.M. De Hosson: Surface & Coatings Technology, Vol. 197 (2005), pp.127-136.

[4] C.P. Paul, P. Ganseh, S.K. Mishra, P. Bhargava, J. Negi and A.K. Nath: Optics & Laser Technology, Vol. 39 (2007), pp.800-805.

DOI: 10.1016/j.optlastec.2006.01.008

[5] C.P. Paul, A. Jain, P. Ganseh, J. Negi and A.K. Nath: Optics and Lasers in Engineering, Vol. 44 (2006), pp.1096-1109.

[6] Y. Li, H. Yang, X. Lin, W. Huang, J. Li and Y. Zhou: Materials Science and Engineering-A, Vol. 360 (2003) No. 1-2, pp.18-25.