Fabrication of micro/nanocomposite of alumina/zirconia system

被引：0
|
作者：
Nagashima, M [1 ]
Maki, K [1 ]
Hayakawa, M [1 ]
机构：
[1] Tottori Univ, Dept Mech Engn, Tottori 6808552, Japan
来源：
PRICM 4: FORTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, VOLS I AND II | 2001年
关键词：
alumina/zirconia system; nano-composite; high energy ball milling; mechanical property;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An Al2O3-5vol%ZrO2 micro/nano-composite was successfully fabricated by using the HE ball mill mixing. The role of HE ball milling was to reduce the crystallite size of Al2O3, powder into half of the as received powder, as well as introducing some strain in the particles. Thus, the refinement of Al2O3 powder seem to be effective to embed ZrO2 particles in the Al2O3 grains by the enhanced grain growth of the Al2O3, matrix. The mixed powders could be sintered to a nearly full density at 1400degreesC in the ambient atmosphere. The matrix grain size of the composite was under 0.6mum. The flexural strength of the composites was 1.3 times higher than that of monolithic Al2O3.
引用
收藏
页码：2061 / 2064
页数：4
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