Microstructure and Mechanical Properties of SiC/Mullite and SiC/ZTM Nanocomposites

Lian Gao; Xihai Jin; Hirokazu Kawaoka; Tohru Sekino; Koichi Niihara

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Microstructure and Mechanical Properties of SiC/Mullite and SiC/ZTM Nanocomposites

机译：SiC /莫来石和SiC / ZTM纳米复合材料的微观结构和力学性能

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SiC/mullite and SiC/ZTM nanocomposites were prepared by heterogeneous precipitation method. The microstructures of both materials were relatively fine and homogeneous, with SiC nanoparticles primarily entrapped inside the mullite grains. ZrO_2 and Y_2O_3 showed remarkable sintering aid effect to mullite, the sintering temperature of SiC/ZTM nanocomposite was 100癈 lower than that of SiC/mullite. The mechanical properties of SiC/mullite and SiC/ZTM nanocomposites were increasingly improved over monolithic mullite, because of the strengthening and toughening effects of SiC and ZrO_2 on the mullite matrix.

机译：采用非均相沉淀法制备了SiC /莫来石和SiC / ZTM纳米复合材料。两种材料的微观结构都相对较细且均匀，其中SiC纳米颗粒主要包裹在莫来石晶粒内。 ZrO_2和Y_2O_3对莫来石具有明显的烧结助剂作用，SiC / ZTM纳米复合材料的烧结温度比SiC /莫来石低100 temperature。 SiC /莫来石和SiC / ZTM纳米复合材料的力学性能相对于整体莫来石越来越多，这是因为SiC和ZrO_2对莫来石基体具有增强和增韧作用。

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来源
《Key Engineering Materials》 |2003年第2003期|p.305-310|共6页
作者
Lian Gao; Xihai Jin; Hirokazu Kawaoka; Tohru Sekino; Koichi Niihara;
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作者单位

State Key Laboratory of High Performance Ceramics and Superfine Microstructure Ding-xi Road 1295, Shanghai 200050, China P.R.;

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原文格式 PDF
正文语种 eng
中图分类工程基础科学;
关键词
mullite; nanocomposite; SiC; ZrO_2;

机译：莫来石;纳米复合材料;SiC;ZrO_2;

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Microstructure and Mechanical Properties of SiC/Mullite and SiC/ZTM Nanocomposites

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