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Crystallization Behavior of Amorphous Si3N4 and Effects of α-Si3N4 Crystal Seeds
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Zunlan HU1, Zhipeng XIE1, Guoxing KANG2, Jie LIU2, Qiang YAN2
Journal of the Chinese Ceramic Society | 2020, 48(12) : 1920 - 1926
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Journal of the Chinese Ceramic Society | 2020, 48(12): 1920-1926
Crystallization Behavior of Amorphous Si3N4 and Effects of α-Si3N4 Crystal Seeds
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Zunlan HU1, Zhipeng XIE1, Guoxing KANG2, Jie LIU2, Qiang YAN2
Affiliations
  • 1.State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing 100084, China
  • 2.Zhuzhou Torch Spark Plug Company Limited, Hunan 412000, China

    • Hu Zunlan (1992-), female, Ph.D. candidate. E-mail:

About Author:

Hu Zunlan (1992-), female, Ph.D. candidate. E-mail:

Published: 2020-12-20 doi: 10.14062/j.issn.0454-5648.20200349
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Amorphous Si3N4 powders were synthesized via the pyrolysis of silicon diimide powders that were prepared by a liquid-liquid phase method. α-Si3N4 with a high purity was obtained by crystallizing amorphous Si3N4 powders at 1550 ℃. The crystallization process of amorphous Si3N4 with a short dendritic structure was investigated, and the influence of α-Si3N4 crystal seeds on the crystallization process was discussed. Si3N4 nuclei form on amorphous Si3N4 powders, and grow further into α-Si3N4 crystal particles. α-Si3N4 crystal seeds were added in amorphous Si3N4, which could increase the number of nuclei, and reduce the short branch structure of amorphous Si3N4 to accelerate the crystalline transformation from amorphous to α phase. The quality of crystal particles was improved effectively.

liquid-liquid method  /  amorphous silicon nitride  /  α-silicon nitride  /  crystal seeds  /  crystallization behavour
胡尊兰, 谢志鹏, 康国兴, 刘洁, 颜强. 非晶态Si3N4结晶及α-Si3N4晶种的调控结晶行为. 硅酸盐学报, 2020 , 48 (12) : 1920 -1926 . DOI: 10.14062/j.issn.0454-5648.20200349
Zunlan HU, Zhipeng XIE, Guoxing KANG, Jie LIU, Qiang YAN. Crystallization Behavior of Amorphous Si3N4 and Effects of α-Si3N4 Crystal Seeds[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (12) : 1920 -1926 . DOI: 10.14062/j.issn.0454-5648.20200349
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Year 2020 volume 48 Issue 12
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Article Info
doi: 10.14062/j.issn.0454-5648.20200349
  • Receive Date：2020-05-19
  • Online Date：2026-10-30
  • Published：2020-12-20
Article Data
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History
  • Received：2020-05-19
  • Revised：2020-06-03
Funding
Affiliations
    1.State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing 100084, China
    2.Zhuzhou Torch Spark Plug Company Limited, Hunan 412000, China

Corresponding:

XIE Zhipeng (1957-), male, 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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