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Microstructure and Temperature Distribution in ZnAl_2O_4 Sintered Body by Pulse Electric Current 被引量：3

Microstructure and Temperature Distribution in ZnAl_2O_4 Sintered Body by Pulse Electric Current
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摘要 Microstructure of reaction sintering of ZnAl2O4 at 1500℃ by hot-pressing(HP) and pulse electric current was investigated. The results indicated that the existed cracks in sintered body were caused by structure mismatch. It is the evidence that periodical temperature field existed during pulse electric current sintering of nonconductive materials. The distance between high temperature areas was related to die diameter. Microstructure of reaction sintering of ZnAl2O4 at 1500℃ by hot-pressing(HP) and pulse electric current was investigated. The results indicated that the existed cracks in sintered body were caused by structure mismatch. It is the evidence that periodical temperature field existed during pulse electric current sintering of nonconductive materials. The distance between high temperature areas was related to die diameter.
作者 Dongming ZHANG, Zhengyi FU and Jingkun GUOState Key Lab. of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
出处 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 2003年第6期526-528,共3页 材料科学技术（英文版）
基金 This work was supported by the National Natural Science Foundation of China under grant No.50232020 and 50220160657.
关键词 Pulse electric current sintering Reaction sintering ZnAl2O4 Microstructure Temperature distribution. Pulse electric current sintering, Reaction sintering, ZnAl2O4,Microstructure, Temperature distribution.
分类号 TF03 [冶金工程—冶金物理化学]
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参考文献8

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Journal of Materials Science & Technology
2003年 第6期

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