Oxidation protection of C/C composites with in situ bamboo-shaped SiC nanowire-toughened Si-Cr coating

Hejun Li; Xi Yang; Yanhui Chu; Lu Li; Qiangang Fu; Lehua Qi

doi:10.1016/j.corsci.2013.05.006

Oxidation protection of C/C composites with in situ bamboo-shaped SiC nanowire-toughened Si-Cr coating

Hejun Li, Xi Yang, Yanhui Chu, Lu Li, Qiangang Fu, Lehua Qi

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

40 Scopus citations

Abstract

An in situ bamboo-shaped SiC nanowire-toughened Si-Cr coating was prepared on the carbon/carbon composites by pack cementation and heat treatment with ferrocene as the catalyst. The microstructures and oxidation behavior of the coating were investigated. Results showed that the coating had a dense microstructure, without the penetrating microcracks, which was primarily attributed to the unusual toughening effect of the bamboo-shaped nanowires resulting from the mechanical interlocking between the nodes and the matrix. The coating exhibited good oxidation protection ability at high temperature. The weight gain of the samples was 0.79% after isothermal oxidation at 1500. °C for 185. h.

Original language	English
Pages (from-to)	419-423
Number of pages	5
Journal	Corrosion Science
Volume	74
DOIs	https://doi.org/10.1016/j.corsci.2013.05.006
State	Published - Sep 2013

Keywords

A. Ceramic matrix composites
C. High temperature corrosion
C. Oxidation

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10.1016/j.corsci.2013.05.006

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title = "Oxidation protection of C/C composites with in situ bamboo-shaped SiC nanowire-toughened Si-Cr coating",

abstract = "An in situ bamboo-shaped SiC nanowire-toughened Si-Cr coating was prepared on the carbon/carbon composites by pack cementation and heat treatment with ferrocene as the catalyst. The microstructures and oxidation behavior of the coating were investigated. Results showed that the coating had a dense microstructure, without the penetrating microcracks, which was primarily attributed to the unusual toughening effect of the bamboo-shaped nanowires resulting from the mechanical interlocking between the nodes and the matrix. The coating exhibited good oxidation protection ability at high temperature. The weight gain of the samples was 0.79% after isothermal oxidation at 1500. °C for 185. h.",

keywords = "A. Ceramic matrix composites, C. High temperature corrosion, C. Oxidation",

author = "Hejun Li and Xi Yang and Yanhui Chu and Lu Li and Qiangang Fu and Lehua Qi",

year = "2013",

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doi = "10.1016/j.corsci.2013.05.006",

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T1 - Oxidation protection of C/C composites with in situ bamboo-shaped SiC nanowire-toughened Si-Cr coating

AU - Li, Hejun

AU - Yang, Xi

AU - Chu, Yanhui

AU - Li, Lu

AU - Fu, Qiangang

AU - Qi, Lehua

PY - 2013/9

Y1 - 2013/9

N2 - An in situ bamboo-shaped SiC nanowire-toughened Si-Cr coating was prepared on the carbon/carbon composites by pack cementation and heat treatment with ferrocene as the catalyst. The microstructures and oxidation behavior of the coating were investigated. Results showed that the coating had a dense microstructure, without the penetrating microcracks, which was primarily attributed to the unusual toughening effect of the bamboo-shaped nanowires resulting from the mechanical interlocking between the nodes and the matrix. The coating exhibited good oxidation protection ability at high temperature. The weight gain of the samples was 0.79% after isothermal oxidation at 1500. °C for 185. h.

AB - An in situ bamboo-shaped SiC nanowire-toughened Si-Cr coating was prepared on the carbon/carbon composites by pack cementation and heat treatment with ferrocene as the catalyst. The microstructures and oxidation behavior of the coating were investigated. Results showed that the coating had a dense microstructure, without the penetrating microcracks, which was primarily attributed to the unusual toughening effect of the bamboo-shaped nanowires resulting from the mechanical interlocking between the nodes and the matrix. The coating exhibited good oxidation protection ability at high temperature. The weight gain of the samples was 0.79% after isothermal oxidation at 1500. °C for 185. h.

KW - A. Ceramic matrix composites

KW - C. High temperature corrosion

KW - C. Oxidation

UR - http://www.scopus.com/inward/record.url?scp=84879409846&partnerID=8YFLogxK

U2 - 10.1016/j.corsci.2013.05.006

DO - 10.1016/j.corsci.2013.05.006

M3 - 文章

AN - SCOPUS:84879409846

SN - 0010-938X

VL - 74

SP - 419

EP - 423

JO - Corrosion Science

JF - Corrosion Science

ER -

Oxidation protection of C/C composites with in situ bamboo-shaped SiC nanowire-toughened Si-Cr coating

Abstract

Keywords

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