| Equivalent Resistance in Pulse Electric Current Sintering |
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| 引用本文： | 张东明 FUZheng-yi YUANRun-zhang GUOJing-kun. Equivalent Resistance in Pulse Electric Current Sintering[J]. 武汉理工大学学报(材料科学英文版), 2002, 17(2): 30-32. DOI: 10.1007/BF02832616 |
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| 作者姓名： | 张东明 FUZheng-yi YUANRun-zhang GUOJing-kun |
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| 作者单位： | [1]WuhanUniversityofTechnology [2]ShanghaiInstituteofCeramics,ChineseAcademyofSciences [3]HuazhongUniversityofScienceandTechnology,ChineseAcademyofSciences |
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| 基金项目： | Supported by the Natural Science Foundation of China (59872024)，Key Teacher Fund of National Education Ministry and Fund of State Key Lab of Plastic Forming Simulation and Die and Mould Technology(02 -11) |
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| 摘 要： | The sintering resistance for conduaive TiB2 and non-conductive Al2O3 as well as empty die during pulse current sintering were investigated in this paper. Equivalent resistances were measured by current and valtage during sintering the conductive and non-conductive materials in the same conditions. It is found that the current paths for conductive are different from those for non-conductive materials. For non-conductive materials, sintering resistances are influenced by powder sizes and heating rates, which indicates that pulse current has some interaction with non-conductive powders. For conductive TiB2, sintering resistances are influenced by heating rates and ball-milling time, which indicates the qffect of pouxlers activated by spark.
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| 关 键 词： | 脉冲电流烧结 烧结阻抗 TiB2 Al2O3 三氧化二铝 导体材料 SPS 闪烁等离子烧结 |
| 收稿时间： | 2001-10-09 |
Equivalent resistance in pulse electric current sintering |
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| Zhang Dong-ming,Fu Zheng-yi,Yuan Run-zhang,Guo Jing-kun. Equivalent resistance in pulse electric current sintering[J]. Journal of Wuhan University of Technology. Materials Science Edition, 2002, 17(2): 30-32. DOI: 10.1007/BF02832616 |
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| Authors: | Zhang Dong-ming Fu Zheng-yi Yuan Run-zhang Guo Jing-kun |
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| Affiliation: | (1) Shanghai Institute of Ceramics, Chinese Academy of Sciences, China;(2) Huazhong University of Science and Technology, Huazhong, China;(3) State Key Lab of Advanced Tech. for Mat. Synthesis and Processing, Wuhan University of Technology, 430070 Wuhan, China |
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| Abstract: | The sintering resistance for conductive TiB2 and non-conductive A12O3 as well as empty die during pulse current sintering were investigated in this paper. Equivalent resistances were measured by current and valtage during sintering the conductive and non-conductive materials in the same conditions. It is found that the current paths for conductive are different from those for non-conductive materials. For non-conductive materials, sintering resistances are influenced by powder sizes and heating rates, which indicates that pulse current has some interaction with non-conductive powders. For conductive TiB2 , sintering resistances are influenced by heating rates and ball-milling time, which indicates the effect of powders activated by spark. |
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| Keywords: | resistance pulse electric current sintering interaction |
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