Low-temperature synthesis of aluminum borate nanowhiskers on the surface of aluminum powder promoted by ball-milling pretreatment

被引：24

作者：

Yu, Zhenyang ^{[1
]}

Zhao, Naiqin ^{[1
]}

Liu, Enzuo ^{[1
]}

Shi, Chunsheng ^{[1
]}

Du, Xiwen ^{[1
]}

Wang, Jian ^{[1
]}

机构：

[1] Tianjin Univ, Tianjin Key Lab Composite & Funct Mat, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China

来源：

POWDER TECHNOLOGY | 2011年 / 212卷 / 02期

关键词：

Aluminum borate; Nanowhisker; Ball-milling; Solution-Liquid-Solid mechanism; MAGNESIUM MATRIX COMPOSITE; MICROSTRUCTURAL CHARACTERIZATION; FRACTURE-BEHAVIOR; AL4B2O9; NANOWIRES; CATALYTIC GROWTH; WHISKERS; AL18B4O33; NANORODS; PARTICLE; CARBON;

D O I：

10.1016/j.powtec.2011.06.003

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Single-crystal aluminum borate (Al4B2O9) nanowhiskers with diameters from 20 to 200 nm have been synthesized on the surface of aluminum powder at relatively low temperatures after high energy ball-milling pretreatment. It was found that the reaction temperature plays an important role in determining the diameter and length of the single-crystal Al4B2O9 nanowhiskers. The growth of the nanowhiskers can occur at a low temperature of 650 degrees C due to the ball-milling pretreatment. The growth mechanism of the nanowhiskers is considered to be the solution-liquid-solid (SLS) growth. Our in-situ growth of nanowhiskers on the aluminum matrix is an effective way to prepare Al4B2O9 nanowhisker/aluminum composite powders with homogenous distribution of the reinforcement. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：310 / 315

页数：6

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