Effect of Rare Earth on Microstructure and Properties of the Self-Propagating Spraying Coating

Li Xin Yue; Zhi Yong Hao

doi:10.4028/www.scientific.net/AMR.139-141.468

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 139-141Effect of Rare Earth on Microstructure and...

Effect of Rare Earth on Microstructure and Properties of the Self-Propagating Spraying Coating

Abstract:

The self-propagating spraying coating was prepared by Self-propagating High-temperature Synthesis(SHS). The effects of the rare earth(RE) on microstructure and the abrasive resistence of self-propagating spraying coating was investigated. The obve1rvations and analysis of the microscopic appearances of the worn surfaces of the coating were conducted by the use of SEM. The results showed: the RE can impove the properities of the self-propagating spraying coating, the suitable small amount(0.2%) of RE can refine the self-propagating spraying coating and improve the hardness and the wear resistence efficiently. When the excessive RE(0.5%) was added into the self-fluxing alloy power, the properties of the self-propagating spraying coating became worse.

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Periodical:

Advanced Materials Research (Volumes 139-141)

Pages:

468-471

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.139-141.468

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Online since:

October 2010

Authors:

Li Xin Yue, Zhi Yong Hao

Keywords:

Self-Fluxing Alloy Power, Self-Propagating, Spraying Coating

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