The effect of crystal structure of SiO2 on the wettability of AgCuTi-SiO2f/SiO2 system

被引：8
|
作者：
Ma, Q. [1 ]
Li, Z. R. [1 ]
Niu, H. W. [2 ]
Wang, Z. Y. [1 ]
Ba, J. [1 ]
Qi, J. L. [1 ]
Feng, J. C. [1 ]
He, P. [1 ,3 ]
Ma, J. [3 ]
机构：
[1] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Inst Technol Weihai, Shandong Prov Key Lab Special Welding Technol, Weihai 264209, Peoples R China
[3] Zhengzhou Res Inst Mech Engn, State Key Lab Adv Brazing Filler Met & Technol, Zhengzhou 450001, Henan, Peoples R China
来源：
VACUUM | 2018年 / 157卷
基金：
中国国家自然科学基金;
关键词：
Composite materials; Fused silica; Quartz fibers; Wettability; Crystal structure; ALLOY; INVAR; MICROSTRUCTURE; COMPOSITES;
D O I：
10.1016/j.vacuum.2018.08.046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fused silica was root cause of poor wettability of SiO2f/SiO2. SiO(2)f/SiO2 was composed of SiO2 in different states, which mean crystallized SiO2 formed fused silica and amorphous SiO2 formed quartz fibers. Wetting results show with holding time increasing, wetting angle of AgCuTi-crystallized SiO2 decreased from 137 degrees to 87 degrees, meaning poor wettability. Besides, Ti3O5 and Ti2O3 particles formed. While, wetting angle of AgCuTi-amorphous SiO2 decreased from 110 degrees to 43 degrees, indicating good wettability. Cu3Ti3O reaction layer formed. Thus, the crystal structure of SiO2 determined reaction product in wetting interface, which was a dominating influence on the wettability of AgCuTi-SiO2f/SiO2 system.
引用
收藏
页码：124 / 127
页数：4
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