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Preparation and Combustion Characteristics of Cordierite Coated SiC Reticulated Porous Ceramics
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Fanghao WAN1, 2, Yawei LI1, 2, Xiong LIANG1, 2, Liping PAN1, 2, Qinghu WANG1, 2, Shaobai SANG1, 2, Yang ZOU1, 2, Chenhui LI3
Journal of the Chinese Ceramic Society | 2022, 50(6) : 1685 - 1693
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Journal of the Chinese Ceramic Society | 2022, 50(6): 1685-1693
• Research Articles •
Preparation and Combustion Characteristics of Cordierite Coated SiC Reticulated Porous Ceramics
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Fanghao WAN1, 2, Yawei LI1, 2, Xiong LIANG1, 2, Liping PAN1, 2, Qinghu WANG1, 2, Shaobai SANG1, 2, Yang ZOU1, 2, Chenhui LI3
Affiliations
  • 1.Wuhan University of Science and Technology, The State Key Laboratory of Refractories and Metallurgy, Wuhan 430081, China
  • 2.Wuhan University of Science and Technology, National-provincial Joint Engineering Research Center of High Temperature Materials and Lining Technology, Wuhan 430081, China
  • 3.State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

    • WAN Fanghao (1995-), male, Master candidate. E-mail:

About Author:

WAN Fanghao (1995-), male, Master candidate. E-mail:

Published: 2022-06-20 doi: 10.14062/j.issn.0454-5648.20210762
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To solve the problems of thermal shock resistance and radiation efficiency attenuation due to the high-temperature oxidation of silicon carbide porous ceramics used in high-temperature combustion of porous media, a silicon carbide billet was prepared by an organic foam impregnation method. Also, porous silicon carbide ceramics containing cordierite infrared radiation coating were fabricated on the surface of silicon carbide skeleton via in-situ reaction sintering. The results show that the vacuum impregnation slurry can coat the skeleton surface and completely fill up the triangular holes of the silicon carbide skeleton. The three-layered porous silicon carbide ceramics with a cordierite coating, the central layer of the silicon carbide skeleton and the cordierite filling layer were prepared by sintering at 1 350 ℃. The mechanical properties, thermal shock resistance and high-temperature wet oxidation resistance of porous silicon carbide ceramics are improved due to the formation of the three-layered structure. The compressive strength of porous silicon carbide ceramics is 1.18 MPa after heat-treatment at 1 350 ℃, and the residual strength retention rate is 67%. According to the results of porous media combustion experiments, the three-layered structure of silicon carbide porous ceramic with a surface reinforcement by cordierite infrared radiation coating can reinforce silicon carbide porous media burner radiation heat transfer process and increase the combustion efficiency, thus increasing the burner surface temperature by 140 ℃ and reducing the emissions of CO and NOx pollutants in the burner.

silicon carbide porous ceramics  /  cordierite coating  /  three-layered struts  /  thermal shock resistance  /  porous media combustion
万方豪, 李亚伟, 梁雄, 潘丽萍, 王庆虎, 桑绍柏, 邹阳, 李晨辉. 含堇青石涂层碳化硅网状多孔陶瓷的制备及燃烧特性. 硅酸盐学报, 2022 , 50 (6) : 1685 -1693 . DOI: 10.14062/j.issn.0454-5648.20210762
Fanghao WAN, Yawei LI, Xiong LIANG, Liping PAN, Qinghu WANG, Shaobai SANG, Yang ZOU, Chenhui LI. Preparation and Combustion Characteristics of Cordierite Coated SiC Reticulated Porous Ceramics[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (6) : 1685 -1693 . DOI: 10.14062/j.issn.0454-5648.20210762
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Year 2022 volume 50 Issue 6
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Article Info
doi: 10.14062/j.issn.0454-5648.20210762
  • Receive Date：2021-09-02
  • Online Date：2026-10-22
  • Published：2022-06-20
Article Data
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History
  • Received：2021-09-02
  • Revised：2021-10-19
Funding
Affiliations
    1.Wuhan University of Science and Technology, The State Key Laboratory of Refractories and Metallurgy, Wuhan 430081, China
    2.Wuhan University of Science and Technology, National-provincial Joint Engineering Research Center of High Temperature Materials and Lining Technology, Wuhan 430081, China
    3.State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

Corresponding:

LI Yawei (1966-), male, Ph.D., Porfessor. E-mail:
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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
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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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