Effect of the Sealing Process on the Structure and Mechanical Properties of Ceramic-Metal Sealing Fitting

被引：0

作者：

Zhang Xiao ^{[1
]}

Lu Lingtao ^{[1
]}

Yang Jianfeng ^{[1
]}

Bao Chonggao ^{[1
]}

Qiao Guanjun ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2013年 / 42卷 / 01期

关键词：

ceramic metal halide lamp; Nb; sealing process; DAS glass; KOVAR;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

With sufficient investigating the effect of pre-oxidation, sealing temperature and holding time on the shear strength and microstructure of the Al2O3-Nb sealing materials. The shear strength, microstructure and element distribution of sealing material were investigated by the strength machine, scanning electron microscope (SEM) and energy dispersive spectrometer (EDS). Furthermore, the X-ray diffraction (XRD) was used to investigate the phase of sealing region. The strength results showed that the shear strength reached to 94.5 MPa when the sealing temperature was 1390 degrees C and holding 10 min, the XRD results showed that the Dy2Si2O2 phase was found in the sealant/Al2O3 interface. In addition, the thickness of reaction layer which was formed near the interface of sealant/Al2O3 was about 2 mu m.

引用

页码：145 / 148

页数：4

共 8 条

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