Mo-si-B alloys oxidation protective coating for sic-coated carbon/carbon composites

Tao Feng; He Jun Li; Qian Gang Fu; Xiao Hong Shi; Ke Zhi Li

doi:10.1142/S0218625X09012524

Mo-si-B alloys oxidation protective coating for sic-coated carbon/carbon composites

Tao Feng, He Jun Li, Qian Gang Fu, Xiao Hong Shi, Ke Zhi Li

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

5 Scopus citations

Abstract

A novel Mo-Si-B double-layer coating was prepared for the carbon/carbon (C/C) composites by pack cementation in an argon atmosphere. The structures of the double-layer coatings were characterized by XRD and SEM. The as-received coating shows an excellent oxidation resistance at high and intermediate temperature. It could effectively protect C/C composites from oxidation for 30 h with a weight loss of 0.9% in air at 1873 K, and for 25 h with a weight loss of l.7% at 1173 K. The oxidation protective coating was principally due to producing eutectic glass film for decreasing oxygen diffusing through the penetrable cracks in the coating.

Original language	English
Pages (from-to)	223-229
Number of pages	7
Journal	Surface Review and Letters
Volume	16
Issue number	2
DOIs	https://doi.org/10.1142/S0218625X09012524
State	Published - Apr 2009

Keywords

Borosilicate glass
Carbon/carbon composites
Coating
Oxidation

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10.1142/S0218625X09012524

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title = "Mo-si-B alloys oxidation protective coating for sic-coated carbon/carbon composites",

abstract = "A novel Mo-Si-B double-layer coating was prepared for the carbon/carbon (C/C) composites by pack cementation in an argon atmosphere. The structures of the double-layer coatings were characterized by XRD and SEM. The as-received coating shows an excellent oxidation resistance at high and intermediate temperature. It could effectively protect C/C composites from oxidation for 30 h with a weight loss of 0.9% in air at 1873 K, and for 25 h with a weight loss of l.7% at 1173 K. The oxidation protective coating was principally due to producing eutectic glass film for decreasing oxygen diffusing through the penetrable cracks in the coating.",

keywords = "Borosilicate glass, Carbon/carbon composites, Coating, Oxidation",

author = "Tao Feng and Li, {He Jun} and Fu, {Qian Gang} and Shi, {Xiao Hong} and Li, {Ke Zhi}",

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T1 - Mo-si-B alloys oxidation protective coating for sic-coated carbon/carbon composites

AU - Feng, Tao

AU - Li, He Jun

AU - Fu, Qian Gang

AU - Shi, Xiao Hong

AU - Li, Ke Zhi

PY - 2009/4

Y1 - 2009/4

N2 - A novel Mo-Si-B double-layer coating was prepared for the carbon/carbon (C/C) composites by pack cementation in an argon atmosphere. The structures of the double-layer coatings were characterized by XRD and SEM. The as-received coating shows an excellent oxidation resistance at high and intermediate temperature. It could effectively protect C/C composites from oxidation for 30 h with a weight loss of 0.9% in air at 1873 K, and for 25 h with a weight loss of l.7% at 1173 K. The oxidation protective coating was principally due to producing eutectic glass film for decreasing oxygen diffusing through the penetrable cracks in the coating.

AB - A novel Mo-Si-B double-layer coating was prepared for the carbon/carbon (C/C) composites by pack cementation in an argon atmosphere. The structures of the double-layer coatings were characterized by XRD and SEM. The as-received coating shows an excellent oxidation resistance at high and intermediate temperature. It could effectively protect C/C composites from oxidation for 30 h with a weight loss of 0.9% in air at 1873 K, and for 25 h with a weight loss of l.7% at 1173 K. The oxidation protective coating was principally due to producing eutectic glass film for decreasing oxygen diffusing through the penetrable cracks in the coating.

KW - Borosilicate glass

KW - Carbon/carbon composites

KW - Coating

KW - Oxidation

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DO - 10.1142/S0218625X09012524

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SP - 223

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JO - Surface Review and Letters

JF - Surface Review and Letters

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Mo-si-B alloys oxidation protective coating for sic-coated carbon/carbon composites

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Keywords

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