Influence of heat treatment on oxidation properties of C/C composites fabricated by high pressure impregnation carbonization

Q. Chen; H. J. Li; A. J. Li; H. M. Han; K. Z. Li

Influence of heat treatment on oxidation properties of C/C composites fabricated by high pressure impregnation carbonization

Q. Chen, H. J. Li, A. J. Li, H. M. Han, K. Z. Li

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

Abstract

Felt base carbon/carbon composites fabricated by super-high pressure impregnation carbonization process (SPIC) were heat treated at high temperature 2773 K, The oxidation properties of felt base carbon/carbon composites were investigated at different temperatures (773-1173 K), and the microstructures of carbon/carbon composites were studied by SEM and X-ray diffraction. The experimental results showed that the interlaminar distance of (002) plane (d₀₀₂) decreased while the microcrystalline stack height (L_c) increased. The oxidation rate of felt base carbon/carbon composites was invariable at certain temperatures. The oxidation mechanism of carbon/carbon composites changed remarkably at the oxidation temperature 973 K. At the initial oxidation stage of carbon/carbon composites, carbon matrix was oxidized much more rapidly than carbon felt.

Original language	English
Pages (from-to)	426-430
Number of pages	5
Journal	Acta Metallurgica Sinica (English Letters)
Volume	17
Issue number	4
State	Published - Aug 2004

Keywords

Carbon/carbon composites
High pressure impregnation carbonization
High temperature heat treatment
Microstructure
Oxidation

Cite this

@article{c7524241438c495aa57b6646bd6340a3,

title = "Influence of heat treatment on oxidation properties of C/C composites fabricated by high pressure impregnation carbonization",

abstract = "Felt base carbon/carbon composites fabricated by super-high pressure impregnation carbonization process (SPIC) were heat treated at high temperature 2773 K, The oxidation properties of felt base carbon/carbon composites were investigated at different temperatures (773-1173 K), and the microstructures of carbon/carbon composites were studied by SEM and X-ray diffraction. The experimental results showed that the interlaminar distance of (002) plane (d002) decreased while the microcrystalline stack height (Lc) increased. The oxidation rate of felt base carbon/carbon composites was invariable at certain temperatures. The oxidation mechanism of carbon/carbon composites changed remarkably at the oxidation temperature 973 K. At the initial oxidation stage of carbon/carbon composites, carbon matrix was oxidized much more rapidly than carbon felt.",

keywords = "Carbon/carbon composites, High pressure impregnation carbonization, High temperature heat treatment, Microstructure, Oxidation",

author = "Q. Chen and Li, {H. J.} and Li, {A. J.} and Han, {H. M.} and Li, {K. Z.}",

year = "2004",

month = aug,

language = "英语",

volume = "17",

pages = "426--430",

journal = "Acta Metallurgica Sinica (English Letters)",

issn = "1006-7191",

publisher = "Springer International Publishing",

number = "4",

}

TY - JOUR

T1 - Influence of heat treatment on oxidation properties of C/C composites fabricated by high pressure impregnation carbonization

AU - Chen, Q.

AU - Li, H. J.

AU - Li, A. J.

AU - Han, H. M.

AU - Li, K. Z.

PY - 2004/8

Y1 - 2004/8

N2 - Felt base carbon/carbon composites fabricated by super-high pressure impregnation carbonization process (SPIC) were heat treated at high temperature 2773 K, The oxidation properties of felt base carbon/carbon composites were investigated at different temperatures (773-1173 K), and the microstructures of carbon/carbon composites were studied by SEM and X-ray diffraction. The experimental results showed that the interlaminar distance of (002) plane (d002) decreased while the microcrystalline stack height (Lc) increased. The oxidation rate of felt base carbon/carbon composites was invariable at certain temperatures. The oxidation mechanism of carbon/carbon composites changed remarkably at the oxidation temperature 973 K. At the initial oxidation stage of carbon/carbon composites, carbon matrix was oxidized much more rapidly than carbon felt.

AB - Felt base carbon/carbon composites fabricated by super-high pressure impregnation carbonization process (SPIC) were heat treated at high temperature 2773 K, The oxidation properties of felt base carbon/carbon composites were investigated at different temperatures (773-1173 K), and the microstructures of carbon/carbon composites were studied by SEM and X-ray diffraction. The experimental results showed that the interlaminar distance of (002) plane (d002) decreased while the microcrystalline stack height (Lc) increased. The oxidation rate of felt base carbon/carbon composites was invariable at certain temperatures. The oxidation mechanism of carbon/carbon composites changed remarkably at the oxidation temperature 973 K. At the initial oxidation stage of carbon/carbon composites, carbon matrix was oxidized much more rapidly than carbon felt.

KW - Carbon/carbon composites

KW - High pressure impregnation carbonization

KW - High temperature heat treatment

KW - Microstructure

KW - Oxidation

UR - http://www.scopus.com/inward/record.url?scp=7944229112&partnerID=8YFLogxK

M3 - 文章

AN - SCOPUS:7944229112

SN - 1006-7191

VL - 17

SP - 426

EP - 430

JO - Acta Metallurgica Sinica (English Letters)

JF - Acta Metallurgica Sinica (English Letters)

IS - 4

ER -

Influence of heat treatment on oxidation properties of C/C composites fabricated by high pressure impregnation carbonization

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