Oxidation behaviour of ZrB2–SiC (Al/Y) ceramics at 1700 °C

Jiabei He; Yiguang Wang; Lei Luo; Linan An

doi:10.1016/j.jeurceramsoc.2016.02.037

Oxidation behaviour of ZrB₂–SiC (Al/Y) ceramics at 1700 °C

Jiabei He, Yiguang Wang^*, Lei Luo, Linan An

^*此作品的通讯作者

科研成果: 期刊稿件 › 文章 › 同行评审

36 引用（Scopus）

摘要

ZrB₂–SiC(Al/Y) ceramic composites were prepared by hot-pressing a mixture of ZrB₂ and polymer-derived SiC doped with either aluminium or yttrium (SiC(Al/Y)). The obtained composites were oxidized at 1700 °C in air. The weight change as a function of the oxidation time was measured to study the oxidation kinetics. It was found that the ZrB₂–SiC(Al/Y) composites exhibited significantly improved oxidation resistance, as compared to the composite of ZrB₂ with un-doped SiC. The structure of the oxide resulted from the oxidation of the composites was characterized by scanning electron microscopy and X-ray diffraction. The results suggested that the improvement can be attributed to the formation of yttrium/aluminium-doped silica and/or yttrium disilicate, which effectively protect the composites.

源语言	英语
页（从-至）	3769-3774
页数	6
期刊	Journal of the European Ceramic Society
卷	36
期	15
DOI	https://doi.org/10.1016/j.jeurceramsoc.2016.02.037
出版状态	已出版 - 1 11月 2016
已对外发布	是

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10.1016/j.jeurceramsoc.2016.02.037

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He, J., Wang, Y., Luo, L., & An, L. (2016). Oxidation behaviour of ZrB₂–SiC (Al/Y) ceramics at 1700 °C. Journal of the European Ceramic Society, 36(15), 3769-3774. https://doi.org/10.1016/j.jeurceramsoc.2016.02.037

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title = "Oxidation behaviour of ZrB2–SiC (Al/Y) ceramics at 1700 °C",

abstract = "ZrB2–SiC(Al/Y) ceramic composites were prepared by hot-pressing a mixture of ZrB2 and polymer-derived SiC doped with either aluminium or yttrium (SiC(Al/Y)). The obtained composites were oxidized at 1700 °C in air. The weight change as a function of the oxidation time was measured to study the oxidation kinetics. It was found that the ZrB2–SiC(Al/Y) composites exhibited significantly improved oxidation resistance, as compared to the composite of ZrB2 with un-doped SiC. The structure of the oxide resulted from the oxidation of the composites was characterized by scanning electron microscopy and X-ray diffraction. The results suggested that the improvement can be attributed to the formation of yttrium/aluminium-doped silica and/or yttrium disilicate, which effectively protect the composites.",

keywords = "Doped, Oxidation, Oxidation kinetics, Oxidation resistance, ZrB–SiC",

author = "Jiabei He and Yiguang Wang and Lei Luo and Linan An",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd",

year = "2016",

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doi = "10.1016/j.jeurceramsoc.2016.02.037",

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TY - JOUR

T1 - Oxidation behaviour of ZrB2–SiC (Al/Y) ceramics at 1700 °C

AU - He, Jiabei

AU - Wang, Yiguang

AU - Luo, Lei

AU - An, Linan

PY - 2016/11/1

Y1 - 2016/11/1

N2 - ZrB2–SiC(Al/Y) ceramic composites were prepared by hot-pressing a mixture of ZrB2 and polymer-derived SiC doped with either aluminium or yttrium (SiC(Al/Y)). The obtained composites were oxidized at 1700 °C in air. The weight change as a function of the oxidation time was measured to study the oxidation kinetics. It was found that the ZrB2–SiC(Al/Y) composites exhibited significantly improved oxidation resistance, as compared to the composite of ZrB2 with un-doped SiC. The structure of the oxide resulted from the oxidation of the composites was characterized by scanning electron microscopy and X-ray diffraction. The results suggested that the improvement can be attributed to the formation of yttrium/aluminium-doped silica and/or yttrium disilicate, which effectively protect the composites.

AB - ZrB2–SiC(Al/Y) ceramic composites were prepared by hot-pressing a mixture of ZrB2 and polymer-derived SiC doped with either aluminium or yttrium (SiC(Al/Y)). The obtained composites were oxidized at 1700 °C in air. The weight change as a function of the oxidation time was measured to study the oxidation kinetics. It was found that the ZrB2–SiC(Al/Y) composites exhibited significantly improved oxidation resistance, as compared to the composite of ZrB2 with un-doped SiC. The structure of the oxide resulted from the oxidation of the composites was characterized by scanning electron microscopy and X-ray diffraction. The results suggested that the improvement can be attributed to the formation of yttrium/aluminium-doped silica and/or yttrium disilicate, which effectively protect the composites.

KW - Doped

KW - Oxidation

KW - Oxidation kinetics

KW - Oxidation resistance

KW - ZrB–SiC

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U2 - 10.1016/j.jeurceramsoc.2016.02.037

DO - 10.1016/j.jeurceramsoc.2016.02.037

M3 - Article

AN - SCOPUS:84959222215

SN - 0955-2219

VL - 36

SP - 3769

EP - 3774

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

IS - 15

ER -

Oxidation behaviour of ZrB2–SiC (Al/Y) ceramics at 1700 °C

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Oxidation behaviour of ZrB₂–SiC (Al/Y) ceramics at 1700 °C