Effects of Coating on Performance Rigid Tile

doi:10.12044/j.issn.1007-2330.2018.03.009

Home > Archive>Volume 48, Issue 3, 2018 >42-46. DOI:10.12044/j.issn.1007-2330.2018.03.009

Effects of Coating on Performance Rigid Tile
DOI:
                        10.12044/j.issn.1007-2330.2018.03.009
                    
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Author:
                        SUN ChenchengSUN Chencheng
Science and Technology of Advanced Functional Composite Laboratory, Aerospace Research Institute of Materials & Processing Technology, Beijing 100076;Key Laboratory of Thermo-Fluid Science and Engineering of MOE, Xian Jiaotong University, Xian 710049
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HE YalingHE Yaling
Science and Technology of Advanced Functional Composite Laboratory, Aerospace Research Institute of Materials & Processing Technology, Beijing 100076;Key Laboratory of Thermo-Fluid Science and Engineering of MOE, Xian Jiaotong University, Xian 710049
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WANG XiaotingWANG Xiaoting
Science and Technology of Advanced Functional Composite Laboratory, Aerospace Research Institute of Materials & Processing Technology, Beijing 100076
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ZHOU JiejieZHOU Jiejie
Science and Technology of Advanced Functional Composite Laboratory, Aerospace Research Institute of Materials & Processing Technology, Beijing 100076
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HU ZijunHU Zijun
Science and Technology of Advanced Functional Composite Laboratory, Aerospace Research Institute of Materials & Processing Technology, Beijing 100076
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Abstract:

A coating constituted of MoSi₂ and melted glass with the high emittance was prepared. The effects of the coating on the microstructure and performances of the rigid tiles were investigated. The results indicated that thewaterproof coating was dense with an emittance of about 0.85. After coating process, the flexural strength and shore hardness of the rigid tiles increased. The tensile strength in transverse orientation was about 50% of that without coating. The back side temperature of rigid tiles with coating was higer than that without coating, when rigid tile was exposed to the radiation heat. However, the back side temperature of rigid tiles with coating was lower than that without coating, when rigid tile was exposed to the simulative heat of re-entry. The rigid tiles with coating created a little hole after the chip attack.

Key words:Rigid tiles;Coating with the high emittance;Radiation heat;Simulative heat of re-entry

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Received:May 14,2018
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Online: June 04,2018
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