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Mechanical and Oxidation Resistance of SiC Based Composite Ceramics Reinforced with B4C
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jiaxin CHEN1, Qihang ZENG1, Feng WANG2, Ping'an CHEN1, Xiangcheng LI1, Yingli ZHU1, Boquan ZHU1
Journal of the Chinese Ceramic Society | 2023, 51(3) : 730 - 737
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Journal of the Chinese Ceramic Society | 2023, 51(3): 730-737
• Research Articles •
Mechanical and Oxidation Resistance of SiC Based Composite Ceramics Reinforced with B4C
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jiaxin CHEN1, Qihang ZENG1, Feng WANG2, Ping'an CHEN1, Xiangcheng LI1, Yingli ZHU1, Boquan ZHU1
Affiliations
  • 1.The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
  • 2.Qingdao Almatis Co., Ltd., Qingdao 266510, Shandong, China

    • CHEN Jiaxin (1998-), male, Master candidate. E-mail:

About Author:

CHEN Jiaxin (1998-), male, Master candidate. E-mail:

Published: 2023-03-20 doi: 10.14062/j.issn.0454-5648.20220648
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The effects of B4C addition and heat treatment temperature on the microstructure, mechanical properties and oxide resistance of SiC-based composite ceramics were investigated. The results show that the addition of B4C can improve the crystallinity and graphitization of SiC. The linear change rate of SiC-based composite ceramics decreases from 1.39% to 0.58%. The flexural strength and compressive strength are increased by 1.8 times and 2 times (i.e., from 28.06 MPa to 50.25 MPa and from 48.03Pa to 98.58 MPa), respectively, after heat treatment at 1 450 ℃ at B4C addition of 6% (in mass fraction). The oxidation index of SiC-based composite ceramics decreases from 30.33% to 18.35% after oxidation at 1 400 ℃, and the thickness of the oxide layer decreases substantially from 3.52 mm to 0.23 mm with the increase of B4C addition from 0 to 6%. Therefore, adding B4C can enhance the amount of SiC whiskers and the strength and oxidation resistance of SiC-based composite ceramics as well.

silicon carbide-based composite ceramics  /  boron carbide  /  mechanical properties  /  oxidation resistance
陈家鑫, 曾启航, 王峰, 陈平安, 李享成, 朱颖丽, 朱伯铨. B4C增强SiC基复合陶瓷力学性能和抗氧化性能. 硅酸盐学报, 2023 , 51 (3) : 730 -737 . DOI: 10.14062/j.issn.0454-5648.20220648
jiaxin CHEN, Qihang ZENG, Feng WANG, Ping'an CHEN, Xiangcheng LI, Yingli ZHU, Boquan ZHU. Mechanical and Oxidation Resistance of SiC Based Composite Ceramics Reinforced with B4C[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (3) : 730 -737 . DOI: 10.14062/j.issn.0454-5648.20220648
Appendix
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Year 2023 volume 51 Issue 3
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Article Info
doi: 10.14062/j.issn.0454-5648.20220648
  • Receive Date：2022-08-08
  • Online Date：2026-10-20
  • Published：2023-03-20
Article Data
Affiliations
History
  • Received：2022-08-08
  • Revised：2022-08-26
Funding
Affiliations
    1.The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
    2.Qingdao Almatis Co., Ltd., Qingdao 266510, Shandong, China

Corresponding:

CHEN Ping'an (1986-), male, Ph.D., Associate Professor; E-mail:
LI Xiangcheng (1978-), male, Ph.D., Professor.
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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