期刊
MATERIALS LETTERS
卷 123, 期 -, 页码 210-213出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2014.02.107
关键词
Composite materials; Crystal structure; Raman; Cubic boron nitride; Coatings
资金
- Natural Science Foundation of China [51203109, 51172089]
- SXNSF [2013021008-2]
- Qualified Personnel Foundation of Taiyuan University of Technology (QPFT) [tyutrc-201372a]
- Youth Foundation of Taiyuan University of Technology [2013Y009, 2013Z072]
this paper, we propose a facile one-step method for preparing cubic boron nitride (cBN) composite materials. In this method, the pure titanium nitride (TiN) coatings are grown on cBN at 5.0 GPa and 1400-1650 degrees C during a crystal growth process. We investigate the composition and the microstructure of the coatings. The results indicate that the uniformity of TiN coatings formed on cBN surface can be controlled by the temperature and Ti powder content. The average residual stress of TiN-coated cBN is less than 0.64 GPa. We find that the crystal growth process plays an important role in direct coating of cBN. This one-step method of direct coating of cBN is an effective way to facilitate the preparation of coated cBN composite materials. (C) 2014 Elsevier B.V. All rights reserved.
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