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http://dx.doi.org/10.4191/KCERS.2011.48.1.063

Effects of Substituting B2O3 for P2O5 on the Structure and Properties of SnO-P2O5 Glass Systems  

Kim, Dong-Hwan (Division of Materials Science and Engineering, Pusan National University)
Hwang, Cha-Won (Division of Materials Science and Engineering, Pusan National University)
Kim, Nam-Jin (Division of Materials Science and Engineering, Pusan National University)
Im, Sang-Hyeok (Division of Materials Science and Engineering, Pusan National University)
Gwoo, Dong-Gun (Division of Materials Science and Engineering, Pusan National University)
Kim, Tae-Hee (Division of Materials Science and Engineering, Pusan National University)
Cha, Jae-Min (Departmet of Materials Science and Engineering, Kyushu University)
Ryu, Bong-Ki (Division of Materials Science and Engineering, Pusan National University)
Publication Information
Journal of the Korean Ceramic Society / v.48, no.1, 2011 , pp. 63-68 More about this Journal
Abstract
The investigation is directed to lead free (Pb-free) frits that can be used for organic light emitting diode, plasma display screen devices and other sealing materials. $P_2O_5$-SnO system glasses have been prepared for Pb-free low temperature glass frit. Structure and properties of the glasses with the composition SnO-$xB_2O_3-(60-x)P_2O_5$ (x=0, 5, 10, 15, 20, 25, 30, 35, 40 mol%) were characterized by infrared spectra (IR), X-ray diffraction(XRD), Density, Molar volume, Thermo mechanical analysis(TMA) and weight loss after immersion test. Glass transition temperature($T_g$), dilatometric softening temperature($T_d$) and chemical durability increased, and coefficient of thermal expansion($\alpha$) decrease with the substitution of $B_2O_3$ for $P_2O_5$ in the range of 0~25 mol%.
Keywords
Glass; Pb-free; $P_2O_5$-SnO; Sealing materials;
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