The control of particle size distribution for fabricated alumina nanoparticles using a thermophoretic separator

被引：5

作者：

Kim, Byungkwon ^{[2
]}

Song, Jungho ^{[1
,3
]}

Kim, Jeong-Yeol ^{[3
]}

Hwang, Jungho ^{[1
]}

Park, Dongho ^{[3
,4
]}

机构：

[1] Yonsei Univ, Dept Mech Engn, Seoul 03722, South Korea

[2] Kings Coll Philippines, La Trinidad 2601, Philippines

[3] Korea Inst Ind Technol KITECH, Cheonan 331822, South Korea

[4] Univ Sci & Technol, Adv Energy & Technol, Seoul, South Korea

来源：

ADVANCED POWDER TECHNOLOGY | 2019年 / 30卷 / 10期

关键词：

Alumina; Thermal plasma; Particle size distribution; Aerosol technology; Nanoparticle; THERMAL PLASMA; PHASE-TRANSITION; GRAIN-GROWTH; DEPOSITION; VISCOSITY; CERAMICS; BEHAVIOR; TUBE;

D O I：

10.1016/j.apt.2019.06.023

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Control of the particle size distribution of fabricated alumina nanoparticles from general alumina powder with a large geometric standard deviation (GSD) was studied. A thermophoretic separator was used to control the GSD of the nanoparticles, and unevaporated and primary particles were separated to yield a small GSD. The fabricated nanoparticles were characterized by field emission scanning electron microscopy (FESEM) and a scanning mobility particle sizer (SMPS). We confirmed that the GSD of the nanoparticles was controlled by the thermophoretic separator. A temperature difference between 79 K and 151 K was applied to the thermophoretic separator for control of the nanoparticle GSD. The GSD of the fabricated alumina nanoparticles was improved from 1.74 to 1.44. (C) 2019 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.

引用

页码：2094 / 2100

页数：7

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