Preparation of silicon carbide with high properties

被引：0
|
作者：
Yuan, GJ
Zhou, Y
Chen, DM
Li, BS
机构：
[1] Beijing Inst Aeronaut Mat, Natl Key Lab Adv Composites, Beijing 100095, Peoples R China
[2] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2001年 / 17卷 / 01期
关键词：
D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
in order to prepare silicon carbide with high properties, three kinds of SiC powders A, B, and C with different composition and two kinds of additives. which were Y2O3-Al2O3 system and Y2O3-La2O3 system, were used in this experiment. The properties of hot-pressed SiC ceramics were measured. With the same additives, different SiC powder resulted in different properties. On the other hand, with the same SiC powder, increasing the amount of the additive Y2O3-Al2O3 improved properties of SiC ceramics at room temperature, and increasing the amount of the additive Y2O3-La2O3 improved property SiC ceramics at elevated temperature. In addition, the microstructure of SiC ceramics was studied by scanning electron microscopy.
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页码：53 / 54
页数：2
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