Synthesis and Characterization of TiN-coated Cubic Boron Nitride Powders

被引：13

作者：

Chen, Deliang ^{[1
]}

Liu, Zhongsheng ^{[1
]}

Fan, Bingbing ^{[1
]}

Li, Jian ^{[1
]}

Cao, Wenbo ^{[1
]}

Wang, Hailong ^{[1
]}

Lu, Hongxia ^{[1
]}

Xu, Hongliang ^{[1
]}

Zhang, Rui ^{[2
]}

机构：

[1] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Peoples R China

[2] Zhengzhou Inst Aeronaut Ind Management, Lab Aeronaut Composites, Zhengzhou 450046, Peoples R China

来源：

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2014年 / 11卷 / 05期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

TITANIUM NITRIDE; CBN FILMS; TEMPERATURE; TIO2;

D O I：

10.1111/ijac.12080

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Titanium nitride-coated cubic boron nitride (TiN/cBN) composite powders were prepared by nitridizing TiO2/cBN powders in a NH3 flow at 950 degrees C. The TiO2/cBN powders were synthesized via a sol-gel process using tetra-butyl titanate and concentrated-HNO3-treated BN powders as starting materials. The techniques of XRD, SEM, TEM, FT-IR, and TG-DTA were used to characterize the products and their intermediates. The cBN powders were uniformly coated with TiN nanoparticles. During the nitridization, the morphology of the TiO2/cBN powders is unchanged. The TiN/cBN powders can be used as starting materials to prepare polycrystalline cBN compacts, or as reinforcements to strengthen metal-matrix composites.

引用

页码：946 / 953

页数：8

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