Enhanced vacuum glazing bonding strength by anodic bonding assisted sealing method

Hong Li, Peng Chen, Ping Zhang, Dehua Xiong, Xin Cao, Lifen Shi, Shou Peng, Yueping Fang

Research output: Contribution to journalArticle

Abstract

A novel sealing method of vacuum glazing is introduced in this study. Anodic bonding technology was used to enhance the bonding strength of the sealant of vacuum glazing. Two sheets of plane glass were sealed by V 2O 5-P 2O 5-TeO 2 glass powder with low glass transition temperature (339.3℃) using anodic bonding-assisted low-temperature sintering. Through analyzing the results of Shear Strength test, the diagram of microstructures of the sealing bond taken by a micro Super-depth Microscopy, Scanning Electron Microscope (SEM), and Energy Dispersive Spectrometer (EDS), the best bonding treatment schedule was determined for achieving the strongest bond. The experiment results show that anodic bonding has a dramatic influence on bonding performance. When the sealing temperature and bonding time are kept constant, the shear strength of the sample increases by increasing the bonding voltage. With the bonding temperature of 470℃ and the voltage of 600 V, the air tightness of the sealed sample is 3.9 × 10− 9 Pa·m 3/s. The improved bonding strength can enhance life-time of vacuum glazing.

Original languageEnglish
Article numberIJAG13873
Pages (from-to)147-154
Number of pages8
JournalInternational Journal of Applied Glass Science
Volume11
Issue number1
Early online date8 Sep 2019
DOIs
Publication statusPublished - 1 Jan 2020

Fingerprint

Sealing (closing)
Vacuum
Shear strength
Glass
Sealants
Electric potential
Powders
Temperature
Spectrometers
Microscopic examination
Electron microscopes
Sintering

Funder

This work was supported by the National Natural Science Foundation of China (51772224, 51372179), Hubei Province Foreign Science and Technology Project (2016AHB027), the Open Fund of the State Key Laboratory of Silicate Materials for Architectures of Wuhan University of Technology (No. SYSJJ2019-14), and the program of (CNBM) Bengbu Design & Research Institute for Glass Industry Co., Ltd. (2019KF01).

Keywords

  • V O -P O -TeO
  • anodic bonding
  • bonding strength
  • low-melting glass
  • vacuum glazing

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Enhanced vacuum glazing bonding strength by anodic bonding assisted sealing method. / Li, Hong ; Chen, Peng; Zhang, Ping ; Xiong, Dehua; Cao, Xin; Shi, Lifen; Peng, Shou; Fang, Yueping.

In: International Journal of Applied Glass Science, Vol. 11, No. 1, IJAG13873, 01.01.2020, p. 147-154.

Research output: Contribution to journalArticle

Li, Hong ; Chen, Peng ; Zhang, Ping ; Xiong, Dehua ; Cao, Xin ; Shi, Lifen ; Peng, Shou ; Fang, Yueping. / Enhanced vacuum glazing bonding strength by anodic bonding assisted sealing method. In: International Journal of Applied Glass Science. 2020 ; Vol. 11, No. 1. pp. 147-154.
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