Research Progress on Low-Temperature Sealing Glass

doi:10.16552/j.cnki.issn1001-1625.2024.1231

Abstract

Abstract: Compared with organic sealing, inorganic glass sealing has the characteristics of high electrical insulation, good air tightness and long life, and is widely used in aviation, aerospace, electronics and new energy vehicles. Low-temperature sealing glass is glass with a sealing temperature below 600 ℃. Currently, low-temperature sealing glass systems mainly include plumbate glass, phosphate glass, vanadate glass, and bismuth glass. The related research mainly involves exploring the ‘composition-structure-performance’ constitutive relationship of low temperature sealing glass, which provides theoretical guidance for the design and optimization of new low-temperature sealing glass system. The key properties such as coefficient of thermal expansion, transition temperature and chemical stability of low-temperature sealing glass are evaluated to achieve matching sealing and long life service. To establish a standard specification for the performance test of low-temperature sealing glass materials and expand the application scenarios of low-temperature sealing glass. This paper reviews the typical systems of low-temperature sealing glass, introduces the application scenarios of low-temperature sealing glass, and finally looks forward to the development trend of low-temperature sealing glass.

Key words: low-temperature sealing glass, environment-friendly glass, transition temperature, coefficient of thermal expansion, application scenario

CLC Number:

TQ171

LAN Yang, YIN Xianyin, WANG Yanhang, GAO Xiping, HUANG Aoxiang, HAN Bin. Research Progress on Low-Temperature Sealing Glass[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2025, 44(5): 1850-1858.

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