Effects of TaC addition on the ablation resistance of C/SiC

Wang Yi; Xu Yongdong; Wang Yiguang; Cheng Laifei; Zhang Litong

doi:10.1016/j.matlet.2010.04.051

Effects of TaC addition on the ablation resistance of C/SiC

Wang Yi, Xu Yongdong, Wang Yiguang^*, Cheng Laifei, Zhang Litong

^*此作品的通讯作者

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

63 引用（Scopus）

摘要

C/SiC-TaC composites were fabricated by powder infiltration (PI) combined with chemical vapor infiltration (CVI) processing. Their ablation resistance performance was evaluated with oxyacetylene torch flame. The ablation morphology and microstructure of the tested samples were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Energy dispersive X-ray spectrum (EDS), respectively. The results indicated that TaC could improve the ablative resistance of C/SiC composites at ultra high temperatures. Liquid Ta ₂O₅ formed due to TaC oxidation could fill the interspaces, cracks, and pores in matrix and to obstruct the diffusing channels of the ablative flames. Presence of TaC and Ta₂O₅ could limit the heat transfer and thus reduce the ablation. The steady SiC-TaC matrix improves the stability of composite.

源语言	英语
页（从-至）	2068-2071
页数	4
期刊	Materials Letters
卷	64
期	19
DOI	https://doi.org/10.1016/j.matlet.2010.04.051
出版状态	已出版 - 15 10月 2010
已对外发布	是

访问文件

10.1016/j.matlet.2010.04.051

其它文件与链接

链接到 Scopus 的出版物

引用此

@article{f6154af6139e432aad0fd876c791721f,

title = "Effects of TaC addition on the ablation resistance of C/SiC",

abstract = "C/SiC-TaC composites were fabricated by powder infiltration (PI) combined with chemical vapor infiltration (CVI) processing. Their ablation resistance performance was evaluated with oxyacetylene torch flame. The ablation morphology and microstructure of the tested samples were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Energy dispersive X-ray spectrum (EDS), respectively. The results indicated that TaC could improve the ablative resistance of C/SiC composites at ultra high temperatures. Liquid Ta 2O5 formed due to TaC oxidation could fill the interspaces, cracks, and pores in matrix and to obstruct the diffusing channels of the ablative flames. Presence of TaC and Ta2O5 could limit the heat transfer and thus reduce the ablation. The steady SiC-TaC matrix improves the stability of composite.",

keywords = "Ablation resistance, C/SiC, Composite materials, Microstructure, TaC",

author = "Wang Yi and Xu Yongdong and Wang Yiguang and Cheng Laifei and Zhang Litong",

year = "2010",

month = oct,

day = "15",

doi = "10.1016/j.matlet.2010.04.051",

language = "English",

volume = "64",

pages = "2068--2071",

journal = "Materials Letters",

issn = "0167-577X",

publisher = "Elsevier B.V.",

number = "19",

}

TY - JOUR

T1 - Effects of TaC addition on the ablation resistance of C/SiC

AU - Yi, Wang

AU - Yongdong, Xu

AU - Yiguang, Wang

AU - Laifei, Cheng

AU - Litong, Zhang

PY - 2010/10/15

Y1 - 2010/10/15

N2 - C/SiC-TaC composites were fabricated by powder infiltration (PI) combined with chemical vapor infiltration (CVI) processing. Their ablation resistance performance was evaluated with oxyacetylene torch flame. The ablation morphology and microstructure of the tested samples were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Energy dispersive X-ray spectrum (EDS), respectively. The results indicated that TaC could improve the ablative resistance of C/SiC composites at ultra high temperatures. Liquid Ta 2O5 formed due to TaC oxidation could fill the interspaces, cracks, and pores in matrix and to obstruct the diffusing channels of the ablative flames. Presence of TaC and Ta2O5 could limit the heat transfer and thus reduce the ablation. The steady SiC-TaC matrix improves the stability of composite.

AB - C/SiC-TaC composites were fabricated by powder infiltration (PI) combined with chemical vapor infiltration (CVI) processing. Their ablation resistance performance was evaluated with oxyacetylene torch flame. The ablation morphology and microstructure of the tested samples were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), and Energy dispersive X-ray spectrum (EDS), respectively. The results indicated that TaC could improve the ablative resistance of C/SiC composites at ultra high temperatures. Liquid Ta 2O5 formed due to TaC oxidation could fill the interspaces, cracks, and pores in matrix and to obstruct the diffusing channels of the ablative flames. Presence of TaC and Ta2O5 could limit the heat transfer and thus reduce the ablation. The steady SiC-TaC matrix improves the stability of composite.

KW - Ablation resistance

KW - C/SiC

KW - Composite materials

KW - Microstructure

KW - TaC

UR - http://www.scopus.com/inward/record.url?scp=77954798073&partnerID=8YFLogxK

U2 - 10.1016/j.matlet.2010.04.051

DO - 10.1016/j.matlet.2010.04.051

M3 - Article

AN - SCOPUS:77954798073

SN - 0167-577X

VL - 64

SP - 2068

EP - 2071

JO - Materials Letters

JF - Materials Letters

IS - 19

ER -

Effects of TaC addition on the ablation resistance of C/SiC

摘要

访问文件

其它文件与链接

指纹

引用此