Erosion resistance of Mo-Si-Cr coating-modified C/C composites in a wind tunnel at 1873 K

Tao Feng; Hejun Li; Qiangang Fu; Xiaohong Shi; Manhong Hu; Lei Liu

doi:10.1016/j.jallcom.2014.10.189

Erosion resistance of Mo-Si-Cr coating-modified C/C composites in a wind tunnel at 1873 K

Tao Feng, Hejun Li, Qiangang Fu, Xiaohong Shi, Manhong Hu, Lei Liu

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

Mo-Si-Cr coating-modified C/C composites were prepared by pack cementation in argon. The high-temperature erosion resistance of Mo-Si-Cr coating-modified C/C composites was investigated in a wind tunnel. Bending moment distribution of the tested specimens in a wind tunnel was calculated and thermogravimetric analysis of the composites was measured. These results show that the Mo-Si-Cr coating-modified C/C composites could resist from high-temperature erosion in a wind tunnel at 1873 K for more than 92 h. Due to the high viscosity of SiO₂, the Mo-Si-Cr coating-modified C/C composites lacked effective oxidation resistance from 700 to 1300 K, resulting in extensive mechanical damage and the fracture of the tested specimens.

Original language	English
Pages (from-to)	1049-1054
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	622
DOIs	https://doi.org/10.1016/j.jallcom.2014.10.189
State	Published - 15 Feb 2015

Keywords

Carbon/carbon composites
Coating
Erosion
Modification

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10.1016/j.jallcom.2014.10.189

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abstract = "Mo-Si-Cr coating-modified C/C composites were prepared by pack cementation in argon. The high-temperature erosion resistance of Mo-Si-Cr coating-modified C/C composites was investigated in a wind tunnel. Bending moment distribution of the tested specimens in a wind tunnel was calculated and thermogravimetric analysis of the composites was measured. These results show that the Mo-Si-Cr coating-modified C/C composites could resist from high-temperature erosion in a wind tunnel at 1873 K for more than 92 h. Due to the high viscosity of SiO2, the Mo-Si-Cr coating-modified C/C composites lacked effective oxidation resistance from 700 to 1300 K, resulting in extensive mechanical damage and the fracture of the tested specimens.",

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T1 - Erosion resistance of Mo-Si-Cr coating-modified C/C composites in a wind tunnel at 1873 K

AU - Feng, Tao

AU - Li, Hejun

AU - Fu, Qiangang

AU - Shi, Xiaohong

AU - Hu, Manhong

AU - Liu, Lei

PY - 2015/2/15

Y1 - 2015/2/15

N2 - Mo-Si-Cr coating-modified C/C composites were prepared by pack cementation in argon. The high-temperature erosion resistance of Mo-Si-Cr coating-modified C/C composites was investigated in a wind tunnel. Bending moment distribution of the tested specimens in a wind tunnel was calculated and thermogravimetric analysis of the composites was measured. These results show that the Mo-Si-Cr coating-modified C/C composites could resist from high-temperature erosion in a wind tunnel at 1873 K for more than 92 h. Due to the high viscosity of SiO2, the Mo-Si-Cr coating-modified C/C composites lacked effective oxidation resistance from 700 to 1300 K, resulting in extensive mechanical damage and the fracture of the tested specimens.

AB - Mo-Si-Cr coating-modified C/C composites were prepared by pack cementation in argon. The high-temperature erosion resistance of Mo-Si-Cr coating-modified C/C composites was investigated in a wind tunnel. Bending moment distribution of the tested specimens in a wind tunnel was calculated and thermogravimetric analysis of the composites was measured. These results show that the Mo-Si-Cr coating-modified C/C composites could resist from high-temperature erosion in a wind tunnel at 1873 K for more than 92 h. Due to the high viscosity of SiO2, the Mo-Si-Cr coating-modified C/C composites lacked effective oxidation resistance from 700 to 1300 K, resulting in extensive mechanical damage and the fracture of the tested specimens.

KW - Carbon/carbon composites

KW - Coating

KW - Erosion

KW - Modification

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JO - Journal of Alloys and Compounds

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Erosion resistance of Mo-Si-Cr coating-modified C/C composites in a wind tunnel at 1873 K

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Keywords

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