Solidification in Laser Cladding of a Ti-Si Graded Coating on Pure Titanium Substrate

T.M. Yue; K.J. Huang; H. Xie

doi:10.4028/www.scientific.net/AMR.739.196

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 739Solidification in Laser Cladding of a Ti-Si Graded...

Solidification in Laser Cladding of a Ti-Si Graded Coating on Pure Titanium Substrate

Abstract:

A three-layer Ti-Si graded coating was fabricated on a commercially pure titanium substrate by laser cladding with Ti-5.8 at%Si, Ti-9.0 at%Si and Ti-13.5 at%Si mixed powders. The microstructure of the three layers comprised Ti-Si solid solutions (Ti) and the Ti₅Si₃ compound. As the silicon content was increased, the microstructure along the direction of deposition underwent a series of changes, including replacement of the (Ti) phase by the primary Ti₅Si₃ phase, and a change of the (Ti)/Ti₅Si₃eutectic growth from lamellar to anomalous.

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Periodical:

Advanced Materials Research (Volume 739)

Pages:

196-200

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.739.196

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Online since:

August 2013

Authors:

T.M. Yue, K.J. Huang, H. Xie

Keywords:

Graded Coating, Laser Cladding, Titanium, Titanium Silicide

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