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J. Korean Ceram. Soc. > Volume 47(2); 2010 > Article
Journal of the Korean Ceramic Society 2010;47(2): 117.
doi: https://doi.org/10.4191/kcers.2010.47.2.117
SnO2-(1-x)P2O5-xB2O3 유리의 열적, 구조적 특성
안용태, 최병현, 지미정, 장우석, 배현1, 황해진2
한국세라믹기술원 광.전자세라믹본부 전자소재팀
2인하대학교 세라믹공학과
Structure and Thermal Properties of SnO2-(1-x)P2O5-xB2O3 Glasses
Yong-Tae An, Byung-Hyun Choi, Mi-Jung Ji, Woo-Suk Chang, Hyun Bae1, Hae-Jin Hwang2
Korea Institute of Ceramics Engineering & Technology, Optical-Electro Materials Laboratory
1ShinCeramic CO. Ltd.
2School of Material Sciernce (Science) and Engineering, Inha University
$SnO_2-(1-x)P_2O_5-xB_2O_3$ glass system were prepared by melt-quenching technique in the compositional series containing 50, 55 and 60 mol% of $SnO_2$. Local structure of the glasses was investigated by Raman and FT-IR measurements. A large glass-forming region was found at the phosphate side of the ternary system with homogeneous glasses containing up to 5~25 mol% of $B_2O_3$. According as content of $B_2O_3$ increases, theraml expansion coefficient of glass decreased but transition temperature and softening temperature increased. Because these phenomenon changed local structure of glass. According as content of $B_2O_3$ increases, quantity of bridging oxygen increased. Also, according as content of $SnO_2$ increases, confirmed that quantity of non-bridging oxygen increases.
Key words: Lead-free, Glass, Phosphates, Boron oxide, Reduction
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