MA-SHS of ZrC and ZrB_2 in Air from The Zr/B/C Powder Mixtures

T. Tsuchida; S. Yamamoto

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MA-SHS of ZrC and ZrB_2 in Air from The Zr/B/C Powder Mixtures

机译：MA-SHS of ZrC and ZrB_2 in Air from The Zr/B/C Powder Mixtures

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摘要

When the powder mixtures of Zr/B/C=3/2/2～6/10/1 in molar ratio were mechanically activated (MA) by ball milling and then exposed to air, they self-ignited spontaneously and the self-propagating high-temperature synthesis (SHS) was occurred to form ZrO and ZrB_2 simultaneously. In this MA-SHS process in air, it is essential that graphite is converted into disordered carbon by mechanical activation and mixed with the particles of Zr and B in an intimate contact state. A fine, homogeneous micro structure of the product is expected to be a promising candidate as precursor of ZrC-ZrB_2 composites.

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来源
《Key engineering materials》 |2004年第1期|85-88|共4页
作者
T. Tsuchida; S. Yamamoto;
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作者单位

Division of Materials Science and Engineering, Graduate School of Engineering, Hokkaido University, N13 W8, Kita-ku, Sapporo, 060-8628, Japan;

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正文语种英语
中图分类工程基础科学;
关键词
mechanical activation (MA); self-propagating high-temperature synthesis (SHS); ZrC; ZrB_2; Zr/B/C powder mixtures;

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MA-SHS of ZrC and ZrB_2 in Air from The Zr/B/C Powder Mixtures

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