李玉萍, 徐晓伟, 张永杰, 王碧燕. LiF和CaF2助熔效果的研究[J]. 工程科学学报, 2002, 24(4): 429-431. DOI: 10.13374/j.issn1001-053x.2002.04.012
引用本文: 李玉萍, 徐晓伟, 张永杰, 王碧燕. LiF和CaF2助熔效果的研究[J]. 工程科学学报, 2002, 24(4): 429-431. DOI: 10.13374/j.issn1001-053x.2002.04.012
shu
LI Yuping, XU Xiaowei, ZHANG Yongjie, WANG Biyan. Research on the Fluxed Effect of LiF and B2O3[J]. Chinese Journal of Engineering, 2002, 24(4): 429-431. DOI: 10.13374/j.issn1001-053x.2002.04.012
Citation: LI Yuping, XU Xiaowei, ZHANG Yongjie, WANG Biyan. Research on the Fluxed Effect of LiF and B2O3[J]. Chinese Journal of Engineering, 2002, 24(4): 429-431. DOI: 10.13374/j.issn1001-053x.2002.04.012
shu

LiF和CaF2助熔效果的研究

Research on the Fluxed Effect of LiF and B2O3

    摘要
  • 摘要: 通过抗弯强度测试研究了LiF和CaF2对陶瓷结合剂性能的影响.结果表明在Al-Si-O系陶瓷结合剂中,CaF2的析晶现象明显大于LiF.以LiF为助溶剂的陶瓷结合剂比用CaF2为助溶剂的陶瓷结合剂熔点低、粘接强度大.当以LiF为助熔剂时,可以用摩尔数比值（Al2O3+B2O3）/（R2O+RO+0.5LiF）判断陶瓷结合剂自身的强度.

     

    Abstract: The effects of LiF and CaF2 in the vitreous bond have been studied by the measurement of bonding strength. The results show that, the trend of CaF2 crystallization from Al-Si-O system vitreous bond is more obvious than that of LiF. The melting-point of the bonds is lower and the bonding force is stronger when using LiF than CaF2 as flux. The mole ratio (Al2O3+B2O3)/(R2O+RO+0.5LiF) can be used as a criterion to confirm the self-strength of the vitreous bonds.

     

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