Coating of diamond by thermal explosion reaction

被引：12

作者：

Liang, Baoyan ^{[1
]}

Dai, Zhen ^{[1
]}

Zhang, Qi ^{[1
]}

Zhang, Wangxi ^{[1
]}

Zhang, Ruijie ^{[1
]}

Liu, Ying ^{[1
]}

Zhang, Jizhou ^{[1
]}

Yang, Li ^{[2
]}

机构：

[1] Zhongyuan Univ Technol, Mat & Chem Engn Sch, Zhengzhou 450007, Peoples R China

[2] Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Yunnan, Peoples R China

来源：

基金：

中国国家自然科学基金;

关键词：

Coating; Diamond; Thermal explosion reaction; MICROSTRUCTURE; INTERMETALLICS; RESISTANCE; PARTICLES;

D O I：

10.1016/j.diamond.2021.108572

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

By using Cr/Al/B/diamond mixed powder as raw material, a CrB-AlN based multi-component composite coating was formed on a diamond surface by thermal explosion synthesis technology. The effects of protective atmosphere (N-2 or Ar), Al content of the phase composition, and microstructure of the binder and coating were studied. X-ray diffraction and scanning electron microscopy were used to analyze the phase composition and microstructure of the samples. The results showed that under the protection of Ar, the raw material did not undergo a thermal explosion reaction. A loose and porous bulk structure can be obtained through thermal explosion reaction under the protection of N-2. The coating on the diamond surface was mainly composed of CrB and AlN and contained other by-products, such as Cr5Al8 and Cr2AlB2.

引用

页数：6

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