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MoSi2-Borosilicate glass high emissivity coating with scaly structure and high temperature resistance
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1.Northwest Institute for Nonferrous Metal Research,Xi’an 710016;2.China;3.2.Northeastern University,Shenyang 110006

Clc Number:

430.4540

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    Abstract:

    The traditional high temperature resistant coating with high emissivity have the characteristics of large rigidity and obvious brittleness. In order to change these properties in essence, we successfully have produced a kind of scaly and flexible coating with high emissivity and high temperature resistance inspired by structure of the snakeskin in nature. We combine slurry method with sol-gel method, and use silica sol as solvent, MoSi2 as emittance agent and borosilicate glass as high temperature binder. Compared with the dense coating with the same composition, surface density and sintering process, the scaly coating have high flexibility while ensuring high emittance agent content and emissivity. The mechanical properties, including contact damage resistance, thermal shock resistance and bending strength, have been improved in varying degrees.

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[Wu Jinyu, Du Haiyan, Liu Jiachen, Hu Xiaoxia, Li Lingyu. MoSi2-Borosilicate glass high emissivity coating with scaly structure and high temperature resistance[J]. Rare Metal Materials and Engineering,2020,49(2):661~668.]
DOI:10.12442/j. issn.1002-185X. QH20190053

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History
  • Received:April 04,2019
  • Revised:May 12,2019
  • Adopted:October 14,2019
  • Online: March 12,2020
  • Published: