Synthesis of hydrophobic Ni-VN alloy powder by ball milling

被引：7

作者：

Bhushan, B. ^{[1
]}

Katiyar, Prvan Kumar ^{[1
]}

Murty, B. S. ^{[2
]}

Mondal, K. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Mat Sci & Engn, Kanpur 208016, Uttar Pradesh, India

[2] Indian Inst Technol Madras, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India

来源：

ADVANCED POWDER TECHNOLOGY | 2019年 / 30卷 / 08期

关键词：

Mechanical alloying; Hydrophobic powder; Contact angle; SUPERHYDROPHOBIC SURFACES; TOLUENE; ADSORPTION; BENZENE;

D O I：

10.1016/j.apt.2019.05.007

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This is the first report discussing the synthesis of hydrophobic alloy powders consisting of Ni and transition metal nitride (vanadium nitride (VN)) at different proportions through mechanical alloying. The milled alloy powder showed very good resistance to wetting when it was placed in a beaker containing water. The maximum contact angle of 150 degrees with water was recorded for the alloy composition of Ni-75 (wt.%) VN when the powder was loosely sprayed on a glass slide. Few working examples also elucidated the hydrophobic nature of the as-prepared alloy powder. The optimised alloyed powder composition and its phase and morphology as well as the time of milling for maximum hydrophobicity were established with the help of X-ray diffraction (XRD) and field emission scanning electron microscope (FE-SEM) for phase and morphology analysis, respectively. The unique chemistry of toluene with elemental Ni and transition metal nitride VN as characterized by X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR) and Raman spectroscopy led to the development of hydrophobicity in the ball milled powder. (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：1600 / 1610

页数：11

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