Mechanical and electrical properties of MoSi2-based ceramics with various ZrB2-20 vol% SiC as additives for ultra high temperature heating element

Rujie He; Zongwei Tong; Keqiang Zhang; Daining Fang

doi:10.1016/j.ceramint.2017.10.043

Mechanical and electrical properties of MoSi₂-based ceramics with various ZrB₂-20 vol% SiC as additives for ultra high temperature heating element

Rujie He^*
, Zongwei Tong
, Keqiang Zhang
, Daining Fang

^*此作品的通讯作者

先进结构技术研究院

Beijing Institute of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

39 引用（Scopus）

摘要

MoSi₂-(ZrB₂-20 vol% SiC) ceramics were produced by pressureless sintering at 1700–1900 °C for 1 h. The amounts of ZrB₂-20 vol% SiC were in the range of 0–80 vol%. Synergetic effects of ZrB₂ and SiC additives on flexure strength of MoSi₂ based ceramics were investigated in detail. A maximum strength of 279 ± 20 MPa was examined for the ceramic with 20 vol% (ZrB₂-20 vol% SiC). The electrical resistivity of the ceramics decreased with the volume fraction of (ZrB₂-20 vol% SiC) increasing. Microstructure analysis and topological transformation calculations were carried out, which further proved the flexure strength and electrical resistivity measurement results.

源语言	英语
页（从-至）	1041-1045
页数	5
期刊	Ceramics International
卷	44
期	1
DOI	https://doi.org/10.1016/j.ceramint.2017.10.043
出版状态	已出版 - 1月 2018

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10.1016/j.ceramint.2017.10.043

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title = "Mechanical and electrical properties of MoSi2-based ceramics with various ZrB2-20 vol\% SiC as additives for ultra high temperature heating element",

abstract = "MoSi2-(ZrB2-20 vol\% SiC) ceramics were produced by pressureless sintering at 1700–1900 °C for 1 h. The amounts of ZrB2-20 vol\% SiC were in the range of 0–80 vol\%. Synergetic effects of ZrB2 and SiC additives on flexure strength of MoSi2 based ceramics were investigated in detail. A maximum strength of 279 ± 20 MPa was examined for the ceramic with 20 vol\% (ZrB2-20 vol\% SiC). The electrical resistivity of the ceramics decreased with the volume fraction of (ZrB2-20 vol\% SiC) increasing. Microstructure analysis and topological transformation calculations were carried out, which further proved the flexure strength and electrical resistivity measurement results.",

keywords = "Electrical property, Mechanical property, Microstructure, Molybdenum disilicide, Topological transformation",

author = "Rujie He and Zongwei Tong and Keqiang Zhang and Daining Fang",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier Ltd and Techna Group S.r.l.",

year = "2018",

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doi = "10.1016/j.ceramint.2017.10.043",

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T1 - Mechanical and electrical properties of MoSi2-based ceramics with various ZrB2-20 vol% SiC as additives for ultra high temperature heating element

AU - He, Rujie

AU - Tong, Zongwei

AU - Zhang, Keqiang

AU - Fang, Daining

PY - 2018/1

Y1 - 2018/1

N2 - MoSi2-(ZrB2-20 vol% SiC) ceramics were produced by pressureless sintering at 1700–1900 °C for 1 h. The amounts of ZrB2-20 vol% SiC were in the range of 0–80 vol%. Synergetic effects of ZrB2 and SiC additives on flexure strength of MoSi2 based ceramics were investigated in detail. A maximum strength of 279 ± 20 MPa was examined for the ceramic with 20 vol% (ZrB2-20 vol% SiC). The electrical resistivity of the ceramics decreased with the volume fraction of (ZrB2-20 vol% SiC) increasing. Microstructure analysis and topological transformation calculations were carried out, which further proved the flexure strength and electrical resistivity measurement results.

AB - MoSi2-(ZrB2-20 vol% SiC) ceramics were produced by pressureless sintering at 1700–1900 °C for 1 h. The amounts of ZrB2-20 vol% SiC were in the range of 0–80 vol%. Synergetic effects of ZrB2 and SiC additives on flexure strength of MoSi2 based ceramics were investigated in detail. A maximum strength of 279 ± 20 MPa was examined for the ceramic with 20 vol% (ZrB2-20 vol% SiC). The electrical resistivity of the ceramics decreased with the volume fraction of (ZrB2-20 vol% SiC) increasing. Microstructure analysis and topological transformation calculations were carried out, which further proved the flexure strength and electrical resistivity measurement results.

KW - Electrical property

KW - Mechanical property

KW - Microstructure

KW - Molybdenum disilicide

KW - Topological transformation

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DO - 10.1016/j.ceramint.2017.10.043

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Mechanical and electrical properties of MoSi2-based ceramics with various ZrB2-20 vol% SiC as additives for ultra high temperature heating element

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Mechanical and electrical properties of MoSi₂-based ceramics with various ZrB₂-20 vol% SiC as additives for ultra high temperature heating element