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杨冲,杨冬亮,张勇,陈永洲,沈子钦,宋晓贞,包莎.热处理制度对玻璃金属封接行为的影响[J].稀有金属材料与工程(英文),2019,48(12):3829~3834.[Chong Yang,Dongliang Yang,Yong Zhang,Yongzhou Chen,Ziqin Shen,Xiaozhen Song and Sha Bao.Influence of heat-treatment schedule on glass-to-metal sealing behavior[J].Rare Metal Materials and Engineering,2019,48(12):3829~3834.]
Influence of heat-treatment schedule on glass-to-metal sealing behavior
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Received:June 09, 2018  Revised:September 10, 2018
DOI:
Key words: Glasses  Interfaces  Microstructure  Pores
Foundation item:北京市科委项目
Author NameAffiliation
Chong Yang,Dongliang Yang,Yong Zhang,Yongzhou Chen,Ziqin Shen,Xiaozhen Song and Sha Bao  
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Abstract:
      The influence of heat-treatment schedule including sealing temperature and holding time on glass-to-metal sealing behavior in terms of average pore diameter and porosity have been examined in detail by optical microscope. With increasing sealing temperature, the average value of pore diameter firstly increased, then decreased, at last increased. However, the porosity increases at first and appears constant above 980 ℃. Moreover, as the holding time prolonged, the average pore diameter increased gradually at first, and then decreased rapidly. While the porosity increased greatly, then increased slowly and decreased rapidly with increasing holding time. Additionally, increases of both sealing temperature and holding time resulted in the increase of the thickness of bubble-free layer. A spatially varying bubble structure has been presented relating profiling to processing conditions.