Microstructure and valence bonds of Si-B-C-N-Al powders synthesized by mechanical alloying

被引：1

作者：

Ye, Dan ^{[1
]}

Jia, Dechang ^{[1
]}

Yang, Zhihua ^{[1
]}

Zhou, Yu ^{[1
]}

机构：

[1] Harbin Inst Technol, Inst Adv Ceram, 2 Yikuang St, Harbin 150080, Peoples R China

来源：

2011 CHINESE MATERIALS CONFERENCE | 2012年 / 27卷

关键词：

mechanical alloying; amorphous powders; microstructure; valence bonds; RAY PHOTOELECTRON-SPECTROSCOPY; ALUMINUM NITRIDE; OXIDATION; CERAMICS; DEFORMATION; NITROGEN; BEHAVIOR; FILMS; XPS;

D O I：

10.1016/j.proeng.2011.12.585

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Amorphous Si-B-C-N-Al powders have been prepared by mechanical alloying (MA) technique using crystalline silicon (c-Si), hexagonal boron nitride (h-BN), graphite (C) and aluminum (Al) powders as starting materials. Microstructural characterization was carried out by X-ray diffraction (XRD), transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM). The results showed that Si-B-C-N-Al powders synthesized by mechanical alloying were amorphous, no nanocrystalline structure had been detected, and every element in the Si-B-C-N-Al powders was uniformly distributed. X-ray photoelectron spectroscopy (XPS) shows that the Si-B-C-N-Al powders possessed hybridization structure of several bonds, such as Si-C, B-C-N, C-C, B-N and Al-N. (C) 2011 Published by Elsevier Ltd.

引用

页码：1299 / 1304

页数：6

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