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Low-Temperature Oxidation Resistance of Core-Shell Structure MoSi2@SiO2
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Linlin GUO1, 2, Bojing LIU1, Jinjun ZHANG1, Xueying ZHANG2, Chengpeng MIAO1, Yulin WU1, Haiyan DU2
Journal of the Chinese Ceramic Society | 2022, 50(1) : 270 - 276
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Journal of the Chinese Ceramic Society | 2022, 50(1): 270-276
• Research Articles •
Low-Temperature Oxidation Resistance of Core-Shell Structure MoSi2@SiO2
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Linlin GUO1, 2, Bojing LIU1, Jinjun ZHANG1, Xueying ZHANG2, Chengpeng MIAO1, Yulin WU1, Haiyan DU2
Affiliations
  • 1.College of Chemistry and Chemical Engineering, Cangzhou Normal University, Cangzhou 061001, Hebei, China
  • 2.Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, Tianjin University, Tianjin 300110, China

    • GUO Linlin (1979-), female, Ph.D., Associate Professor. E-mail:

About Author:

GUO Linlin (1979-), female, Ph.D., Associate Professor. E-mail:

Published: 2022-01-20 doi: 10.14062/j.issn.0454-5648.20210297
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To improve the low-temperature oxidation resistance of MoSi2, a core-shell structured MoSi2@SiO2 was prepared by a direct preoxidation method, and the preoxidation conditions, as well as the structure and the low-temperature oxidation resistance of MoSi2@SiO2 composite, were investigated. Results show that the core-shell structured MoSi2@SiO2 can be obtained under preoxidation at 800 ℃ for 1 h. The obtained SiO2 shell is amorphous which is formed due to the non-selective oxidation of MoSi2 and the evaporation of the oxidation product MoO3. The oxidation mass gain rate of MoSi2@SiO2 is <1.6% after isothermal cyclic oxidation at 400-700 ℃ for 12 h.

molybdenum disilicide  /  preoxidation  /  core-shell structure  /  oxidation resistance
郭琳琳, 刘博静, 张金君, 张雪颖, 苗成朋, 武玉琳, 杜海燕. 核壳结构MoSi2@SiO2制备及其低温抗氧化性能. 硅酸盐学报, 2022 , 50 (1) : 270 -276 . DOI: 10.14062/j.issn.0454-5648.20210297
Linlin GUO, Bojing LIU, Jinjun ZHANG, Xueying ZHANG, Chengpeng MIAO, Yulin WU, Haiyan DU. Low-Temperature Oxidation Resistance of Core-Shell Structure MoSi2@SiO2[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (1) : 270 -276 . DOI: 10.14062/j.issn.0454-5648.20210297
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Article Info
doi: 10.14062/j.issn.0454-5648.20210297
  • Receive Date：2021-04-21
  • Online Date：2026-10-22
  • Published：2022-01-20
Article Data
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History
  • Received：2021-04-21
  • Revised：2021-07-26
Funding
Affiliations
    1.College of Chemistry and Chemical Engineering, Cangzhou Normal University, Cangzhou 061001, Hebei, China
    2.Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, Tianjin University, Tianjin 300110, China

Corresponding:

DU Haiyan (1964-), female, Ph.D., Professor. 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
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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