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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 4 — Apr. 1, 2014
  • pp: 041403–

In-situ synthesis of Fe-Mn-Si-Cr-Ni shape memory alloy functional coating by laser cladding

Peng Xu, Heng Ju, Chengxin Lin, Chaoyu Zhou, and Dewei Pan  »View Author Affiliations

Chinese Optics Letters, Vol. 12, Issue 4, pp. 041403- (2014)

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Fe-Mn-Si-Cr-Ni composite powders are utilized to form a functional shape memory alloy cladding layer (SMACL) using a laser cladding method. The microstructure, microhardness, and phase composition of the SMACL are measured, and the extent of deformation of the laser cladding samples is determined. The SMACL is composed of planar, cellular, and dendritic crystals, equiaxed grains, and oxides with increasing distance from the substrate surface. The SMACL is further composed of \varepsilon -martensite and \gamma -austenite phases, while the tempered SMACL consists mainly of \gamma -austenite. Extensive deformation occurs in AISI 304 stainless steel laser cladding samples. By contrast, limited deformation is observed in the SMACL samples.

© 2014 Chinese Optics Letters

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(160.3900) Materials : Metals
(350.3850) Other areas of optics : Materials processing

ToC Category:
Lasers and Laser Optics

Peng Xu, Heng Ju, Chengxin Lin, Chaoyu Zhou, and Dewei Pan, "In-situ synthesis of Fe-Mn-Si-Cr-Ni shape memory alloy functional coating by laser cladding," Chin. Opt. Lett. 12, 041403- (2014)

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