Microstructure and thermal shock behavior of ZrB2-SiC-graphite composite

Zhi Wang; Changqing Hong; Xinghong Zhang; Xin Sun; Jiecai Han

doi:10.1016/j.matchemphys.2008.07.095

Microstructure and thermal shock behavior of ZrB₂-SiC-graphite composite

Zhi Wang, Changqing Hong^*, Xinghong Zhang, Xin Sun, Jiecai Han

^*此作品的通讯作者

Harbin Institute of Technology

科研成果: 期刊稿件 › 文章 › 同行评审

117 引用（Scopus）

摘要

A water-quenching technique was adopted to evaluate the thermal shock behavior of hot-pressed ZrB₂-SiC and ZrB₂-SiC-graphite composites in an air atmosphere. The strength retention of the two kinds of composites was measured after varying temperature (ΔT_c) up to 1000 °C. Monolithic ZrB₂-SiC showed rapidly drop in flexural strength above ΔT of 400 °C, however the critical thermal shock temperature difference (ΔT_c) is enhanced by adding graphite, and the ZrB₂-SiC-graphite composite showed a higher retained strengths up to 1000 °C. The main reasons for a great improvement of thermal shock resistance (TSR) were also discussed and analyzed.

源语言	英语
页（从-至）	338-341
页数	4
期刊	Materials Chemistry and Physics
卷	113
期	1
DOI	https://doi.org/10.1016/j.matchemphys.2008.07.095
出版状态	已出版 - 15 1月 2009
已对外发布	是

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Wang, Z., Hong, C., Zhang, X., Sun, X., & Han, J. (2009). Microstructure and thermal shock behavior of ZrB₂-SiC-graphite composite. Materials Chemistry and Physics, 113(1), 338-341. https://doi.org/10.1016/j.matchemphys.2008.07.095

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abstract = "A water-quenching technique was adopted to evaluate the thermal shock behavior of hot-pressed ZrB2-SiC and ZrB2-SiC-graphite composites in an air atmosphere. The strength retention of the two kinds of composites was measured after varying temperature (ΔTc) up to 1000 °C. Monolithic ZrB2-SiC showed rapidly drop in flexural strength above ΔT of 400 °C, however the critical thermal shock temperature difference (ΔTc) is enhanced by adding graphite, and the ZrB2-SiC-graphite composite showed a higher retained strengths up to 1000 °C. The main reasons for a great improvement of thermal shock resistance (TSR) were also discussed and analyzed.",

keywords = "Ceramics, Mechanical properties, Microstructure, Thermal properties",

author = "Zhi Wang and Changqing Hong and Xinghong Zhang and Xin Sun and Jiecai Han",

year = "2009",

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day = "15",

doi = "10.1016/j.matchemphys.2008.07.095",

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T1 - Microstructure and thermal shock behavior of ZrB2-SiC-graphite composite

AU - Wang, Zhi

AU - Hong, Changqing

AU - Zhang, Xinghong

AU - Sun, Xin

AU - Han, Jiecai

PY - 2009/1/15

Y1 - 2009/1/15

N2 - A water-quenching technique was adopted to evaluate the thermal shock behavior of hot-pressed ZrB2-SiC and ZrB2-SiC-graphite composites in an air atmosphere. The strength retention of the two kinds of composites was measured after varying temperature (ΔTc) up to 1000 °C. Monolithic ZrB2-SiC showed rapidly drop in flexural strength above ΔT of 400 °C, however the critical thermal shock temperature difference (ΔTc) is enhanced by adding graphite, and the ZrB2-SiC-graphite composite showed a higher retained strengths up to 1000 °C. The main reasons for a great improvement of thermal shock resistance (TSR) were also discussed and analyzed.

AB - A water-quenching technique was adopted to evaluate the thermal shock behavior of hot-pressed ZrB2-SiC and ZrB2-SiC-graphite composites in an air atmosphere. The strength retention of the two kinds of composites was measured after varying temperature (ΔTc) up to 1000 °C. Monolithic ZrB2-SiC showed rapidly drop in flexural strength above ΔT of 400 °C, however the critical thermal shock temperature difference (ΔTc) is enhanced by adding graphite, and the ZrB2-SiC-graphite composite showed a higher retained strengths up to 1000 °C. The main reasons for a great improvement of thermal shock resistance (TSR) were also discussed and analyzed.

KW - Ceramics

KW - Mechanical properties

KW - Microstructure

KW - Thermal properties

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VL - 113

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JO - Materials Chemistry and Physics

JF - Materials Chemistry and Physics

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ER -

Microstructure and thermal shock behavior of ZrB2-SiC-graphite composite

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Microstructure and thermal shock behavior of ZrB₂-SiC-graphite composite