| 热处理制度对微晶泡沫玻璃性能的影响 |
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| 引用本文： | 朱凯华,陆雷,陈莹,张艺龄.热处理制度对微晶泡沫玻璃性能的影响[J].中国陶瓷,2012(4):47-49,68. |
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| 作者姓名： | 朱凯华 陆雷 陈莹 张艺龄 |
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| 作者单位： | 南京工业大学材料科学与工程学院;江苏省特种设备安全监督检验研究院无锡分院 |
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| 摘 要： | 以粉煤灰为主要原料,用CaCO3作为发泡剂,Na3PO4·12H2O作为稳泡剂,制备出了性能优良微晶泡沫玻璃。研究了发泡温度、发泡时间等因素对微晶泡沫玻璃性能的影响。结果表明,随着发泡温度的升高和保温时间的增加,体积密度均先减小后增大,最佳发泡温度1025℃,发泡时间30min。析出的晶体有钙长石CaAl2Si2O8、普通辉石Ca(Mg,Fe,Al)(Si,Al)2O6;密度为1.02g.cm-3;热膨胀系数为7.51×10-6/℃;抗压强度为19.2MPa;抗弯强度为16.3MPa。
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| 关 键 词： | 微晶泡沫玻璃 发泡温度 发泡时间 |
EFFECTS OF HEAT TREATMENT ON THE PERFORMANCE OF POROUS MICRO-CRYSTALLINE GLASS |
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| Zhu Kaihua,Lu Lei,Cheng Ying,Zhang Yiling.EFFECTS OF HEAT TREATMENT ON THE PERFORMANCE OF POROUS MICRO-CRYSTALLINE GLASS[J].China Ceramics,2012(4):47-49,68. |
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| Authors: | Zhu Kaihua Lu Lei Cheng Ying Zhang Yiling |
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| Affiliation: | 1 School of Materials Science and Engineering of Nanjing University of technology,Nanjing 210009;2 Research Institute of Special Equipment Safety Supervision and Inspection,Wuxi 214100) |
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| Abstract: | Fly-ash is utilized to prepare porous microcrystalline glass by adding the foaming agent CaCO 3 and foam stabilizer Na3PO4.12H2O.The effects of the foam temperature and the holding time on the performance of porous micro-crystalline glass were studied.The experimental result showed that as the foam temperature and the holding time increased,bulk density is decreased first and then increased.The optimum foam temperature is 1025℃ and holding time is 30min.The precipitated crystal phases are CaAl 2Si2O8 and Ca(Mg,Fe,Al)(Si,Al) 2O6,the density is 1.02g.cm-3,the thermal expansion coefficient is 7.51×10-6/℃,the compressive strength is 19.2MPa,the bending strength is 16.3MPa. |
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| Keywords: | porous microcrystalline glass foam temperature holding time |
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