| 添加剂对多孔陶瓷显气孔率的影响 |
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| 引用本文： | 崔霞,赵昆渝,李智东,段云彪,周晓龙,吴双桥,李晓雪.添加剂对多孔陶瓷显气孔率的影响[J].云南冶金,2005,34(3):50-51,66. |
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| 作者姓名： | 崔霞 赵昆渝 李智东 段云彪 周晓龙 吴双桥 李晓雪 |
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| 作者单位： | 昆明理工大学材料与冶金工程学院,云南,昆明,650093 |
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| 基金项目： | 云南省应用基础研究项目2002E00221M |
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| 摘 要： | 采用硅粉,碳粉,尿素以及氧化铝,氧化钇为原料,利用常压烧结法制备了氮化硅多孔陶瓷,并着重研究了添加剂对氮化硅多孔陶瓷显气孔率的影响,得出氮化硅多孔陶瓷的显气孔率随着碳粉或尿素含量的增加而增大,且碳粉的造孔作用优于尿素。
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| 关 键 词： | 氮化硅 多孔陶瓷 常压烧结 气孔率 添加剂 |
| 文章编号： | 1006-0308(2005)03-0050-02 |
The Influence of Additives on Porosity of Porous Ceramics |
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| CUI Xia,ZHAO Kun-yu,LI Zhi-dong,DUAN Yun-biao,ZHOU Xiao-long,WU Shuang-qiao,LI Xiao-xue.The Influence of Additives on Porosity of Porous Ceramics[J].Yunnan Metallurgy,2005,34(3):50-51,66. |
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| Authors: | CUI Xia ZHAO Kun-yu LI Zhi-dong DUAN Yun-biao ZHOU Xiao-long WU Shuang-qiao LI Xiao-xue |
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| Abstract: | pressureless sintering,using carbon,silicon,Al_2O_3 and Y_2O_3 as raw materials,manufactured Si_3N_4 porous ceramics.The effect of additive on porous ceramics was studied.The results indicate that the porosity of Si_3N_4 porous ceramics grew along with the increase of content of carbon or carbamide and the effect of carbon on the porosity of ceramics is lager than of carbamide. |
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| Keywords: | Si_3N_4 porous ceramics pressureless sintering porosity additive |
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