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Bi2O3含量对ZnO-BaO-Bi2O3-B2O3系玻璃性能的影响

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Bi2O3含量对ZnO-BaO-Bi2O3-B2O3系玻璃性能的影

李正荣;黄永前;孙敬韦;汤帆

【期刊名称】《电子元件与材料》 【年(卷),期】2012(031)006

【摘要】The ZnO-BaO-Bi2O3-B2O3 system low-melting glass was prepared by melt-quenching method. The effects of Bi2O3 content on thermal properties and volume resistivity of the prepared glasses were studied. The results show that the glass density and linear expansion coefficient increase with the increasing of Bi2O3 content, while the expansion transition temperature (tg), expansion softening temperature (tf) and volume resistivity (pv) decrease. tg, tf and pv decrease rapidly when Bi2O3 content increases from 0 to 12% (mole fraction), while the tendency slows down when Bi2O3 content increases from 12% to 25%(mole fraction).%用熔融冷却方法制备了ZnO-BaO-Bi2O3-B2O3系低熔点玻璃,研究了Bi2O3含量对所制玻璃热学性能和体积电阻率的影响.结果表明:随着Bi2O3含量的增大,所制玻璃密度和线膨胀系数增大,而膨胀转变温度(tg)、膨胀软化温度(t(f))和体积电阻率(pv)减小;当Bi2O3摩尔分数为0~12%时,随着Bi2O3含量增大,玻璃的tg、t(f)和pv显著降低;而当Bi2O3摩尔分数为12%~25%时,这种变化趋势明显减弱. 【总页数】4页(37-39,43)

【关键词】低熔点玻璃;ZnO-BaO-Bi2O3-B2O3;热学性能;体积电阻率

Bi2O3含量对ZnO-BaO-Bi2O3-B2O3系玻璃性能的影响

Bi2O3含量对ZnO-BaO-Bi2O3-B2O3系玻璃性能的影响李正荣;黄永前;孙敬韦;汤帆【期刊名称】《电子元件与材料》【年(卷),期】2012(031)006【摘要】TheZnO-BaO-Bi2O3-B2O3systemlow-meltingglasswaspreparedbymelt-qu
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