MgAl_2O_4 spinel phase derived from oxide mixture activated by a high-energy ball milling process

L.B. Kong; J. Ma; H. Huang

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MgAl_2O_4 spinel phase derived from oxide mixture activated by a high-energy ball milling process

机译：MgAl_2O_4 spinel phase derived from oxide mixture activated by a high-energy ball milling process

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摘要

High-energy ball milling process has been applied to MgO and Al_2O_3 system. The reaction of MgO and Al_2O_3 is significantly enhanced by the high-energy ball milling process. MgAl_2O_4 spinel phase with an average grain size of about 100 nm is formed at 900 deg C from the mixture of MgO and Al_2O_3 after milling for 12 h. Dense MgAl_2O_4 ceramics with 98 percent of the theoretical density and grain size of 2-5 mu m can be obtained by sintering the milled mixture at 1550 deg C for 2 h.

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来源
《Materials Letters》 |2002年第3期|238-243|共6页
作者
L.B. Kong; J. Ma; H. Huang;
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作者单位

Microelectronics Center School of Materials Engineering, Nanyang Technological University, Nanyang Avenue Block N4, B2, Nanyang 639798, Singapore, Singapore;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程材料学;
关键词
Spinel ball milling; MgAl oxide (MgAl_2O_4); High-energy ball milling;

MgAl_2O_4 spinel phase derived from oxide mixture activated by a high-energy ball milling process

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