High-temperature erosion resistance and aerodynamic oxidation mechanism of multi-layer MoSi 2-CrSi 2-Si/SiC coated carbon/carbon composites in a wind tunnel at 1873 K

Tao Feng; He Jun Li; Qian Gang Fu; Xi Yang; Heng Wu

doi:10.1016/j.carbon.2012.01.027

High-temperature erosion resistance and aerodynamic oxidation mechanism of multi-layer MoSi ₂-CrSi ₂-Si/SiC coated carbon/carbon composites in a wind tunnel at 1873 K

Tao Feng
, He Jun Li
, Qian Gang Fu
, Xi Yang
, Heng Wu

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

30 Scopus citations

Abstract

The high-temperature erosion resistance of multi-layer MoSi ₂-CrSi ₂-Si/SiC coated carbon/carbon (C/C) composites was investigated in a wind tunnel. To study the aerodynamic oxidation mechanism and analyze the failure of the coated C/C composites, the shear force and bending moment distribution of the tested specimens in a wind tunnel were calculated. Flexural strengths and thermogravimetric analysis of the coated specimens were measured. These results show that the multi-layer MoSi ₂-CrSi ₂-Si/SiC antioxidation coating can protect the C/C composites from high-temperature erosion in a wind tunnel at 1873 K for more than 86 h. Due to the high viscosity of SiO ₂, the multi-layer coating lacked effective oxidation resistance from 900 to 1500 K, resulting in extensive mechanical damage and the fracture of the tested specimens.

Original language	English
Pages (from-to)	2171-2178
Number of pages	8
Journal	Carbon
Volume	50
Issue number	6
DOIs	https://doi.org/10.1016/j.carbon.2012.01.027
State	Published - May 2012

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title = "High-temperature erosion resistance and aerodynamic oxidation mechanism of multi-layer MoSi 2-CrSi 2-Si/SiC coated carbon/carbon composites in a wind tunnel at 1873 K",

abstract = "The high-temperature erosion resistance of multi-layer MoSi 2-CrSi 2-Si/SiC coated carbon/carbon (C/C) composites was investigated in a wind tunnel. To study the aerodynamic oxidation mechanism and analyze the failure of the coated C/C composites, the shear force and bending moment distribution of the tested specimens in a wind tunnel were calculated. Flexural strengths and thermogravimetric analysis of the coated specimens were measured. These results show that the multi-layer MoSi 2-CrSi 2-Si/SiC antioxidation coating can protect the C/C composites from high-temperature erosion in a wind tunnel at 1873 K for more than 86 h. Due to the high viscosity of SiO 2, the multi-layer coating lacked effective oxidation resistance from 900 to 1500 K, resulting in extensive mechanical damage and the fracture of the tested specimens.",

author = "Tao Feng and Li, \{He Jun\} and Fu, \{Qian Gang\} and Xi Yang and Heng Wu",

year = "2012",

month = may,

doi = "10.1016/j.carbon.2012.01.027",

language = "英语",

volume = "50",

pages = "2171--2178",

journal = "Carbon",

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TY - JOUR

T1 - High-temperature erosion resistance and aerodynamic oxidation mechanism of multi-layer MoSi 2-CrSi 2-Si/SiC coated carbon/carbon composites in a wind tunnel at 1873 K

AU - Feng, Tao

AU - Li, He Jun

AU - Fu, Qian Gang

AU - Yang, Xi

AU - Wu, Heng

PY - 2012/5

Y1 - 2012/5

N2 - The high-temperature erosion resistance of multi-layer MoSi 2-CrSi 2-Si/SiC coated carbon/carbon (C/C) composites was investigated in a wind tunnel. To study the aerodynamic oxidation mechanism and analyze the failure of the coated C/C composites, the shear force and bending moment distribution of the tested specimens in a wind tunnel were calculated. Flexural strengths and thermogravimetric analysis of the coated specimens were measured. These results show that the multi-layer MoSi 2-CrSi 2-Si/SiC antioxidation coating can protect the C/C composites from high-temperature erosion in a wind tunnel at 1873 K for more than 86 h. Due to the high viscosity of SiO 2, the multi-layer coating lacked effective oxidation resistance from 900 to 1500 K, resulting in extensive mechanical damage and the fracture of the tested specimens.

AB - The high-temperature erosion resistance of multi-layer MoSi 2-CrSi 2-Si/SiC coated carbon/carbon (C/C) composites was investigated in a wind tunnel. To study the aerodynamic oxidation mechanism and analyze the failure of the coated C/C composites, the shear force and bending moment distribution of the tested specimens in a wind tunnel were calculated. Flexural strengths and thermogravimetric analysis of the coated specimens were measured. These results show that the multi-layer MoSi 2-CrSi 2-Si/SiC antioxidation coating can protect the C/C composites from high-temperature erosion in a wind tunnel at 1873 K for more than 86 h. Due to the high viscosity of SiO 2, the multi-layer coating lacked effective oxidation resistance from 900 to 1500 K, resulting in extensive mechanical damage and the fracture of the tested specimens.

UR - https://www.scopus.com/pages/publications/84862793463

U2 - 10.1016/j.carbon.2012.01.027

DO - 10.1016/j.carbon.2012.01.027

M3 - 文章

AN - SCOPUS:84862793463

SN - 0008-6223

VL - 50

SP - 2171

EP - 2178

JO - Carbon

JF - Carbon

IS - 6

ER -

High-temperature erosion resistance and aerodynamic oxidation mechanism of multi-layer MoSi ₂-CrSi ₂-Si/SiC coated carbon/carbon composites in a wind tunnel at 1873 K

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