Wettability and reactivity in diamond-borosilicate glass system

被引:22
作者
Zhang, Xianghong [1 ,2 ]
Wang, Yanhui [1 ]
Lu, Jing [1 ]
Zang, Jianbing [1 ]
Zhang, Jinhui [1 ]
Ge, Enbao [1 ]
机构
[1] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Hebei, Peoples R China
[2] Hebei Vocat & Tech Coll Bldg Mat, Qinhuangdao 066004, Hebei, Peoples R China
基金
中国国家自然科学基金;
关键词
Diamond; Thermal reaction; Oxidation; Borosilicate glass; VITRIFIED BOND; RAMAN; COMPOSITES; TRANSPORT; BEHAVIOR; OXYGEN; WEAR;
D O I
10.1016/j.ijrmhm.2009.10.008
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The wettability and interfacial reactivity between diamond and matrix are of great importance to their bonding strength and the applications, but the relating investigations are scarce. In this paper the wettability and interfacial reactivity in diamond-borosilicate glass system were studied by wettability measurements, thermogravimetry, scanning electron microscope, X-ray diffraction and Raman spectra. Results show an excellent wettability of the diamond by the borosilicate glass melt at temperatures above 700 degrees C. A distinct expansion with many irregular pores can be found in the diamond-borosilicate glass composites sintered above 800 degrees C, which caused by the oxidation of the diamonds. The start oxidation temperature of the diamond in the composites is 817.7 degrees C. So the quite compact bulk composites can be obtained below this temperature. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:260 / 264
页数:5
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