Fabrication of SS316L/Ni25 Functionally Gradient Materials Using Laser Engineered Net Shaping

Dong Jiang Wu; Xiao Kang Liang; Qian Li; Li Jia Jiang

doi:10.4028/www.scientific.net/MSF.675-677.803

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HomeMaterials Science ForumMaterials Science Forum Vols. 675-677Fabrication of SS316L/Ni25 Functionally Gradient...

Fabrication of SS316L/Ni25 Functionally Gradient Materials Using Laser Engineered Net Shaping

Abstract:

Functionally gradient materials(FGMs) were successfully fabricated with compositions gradually changed from 100% stainless steel 316L to 100% Ni25 alloy using laser engineered net shaping(LENS) technology. The microstructure characterization, composition analysis and microhardness along the gradient direction are investigated. Meanwhile, the defects in the sample such as cracks and pores are analyzed. The results indicated that the microstructure evolves from columnar dendrite to cellular-crystal or equiaxed dendrite.

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Periodical:

Materials Science Forum (Volumes 675-677)

Pages:

803-806

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.675-677.803

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Online since:

February 2011

Authors:

Dong Jiang Wu, Xiao Kang Liang, Qian Li, Li Jia Jiang

Keywords:

Functionally Graded Material (FGM), Lens, Microstructure, Ni25, SS316L

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