Fabrication and emission property of polycrystalline CexPr 1-xB6 bulk prepared by spark plasma sintering - 文章详情页

作者：

Li, Xiao-Na (Li, Xiao-Na.) | Zhang, Jiu-Xing (Zhang, Jiu-Xing.) | Zhang, Xin (Zhang, Xin.) | Bao, Li-Hong (Bao, Li-Hong.) | Zhang, Ning (Zhang, Ning.)

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EI Scopus

摘要：

In　this　paper,　the　polycrystalline　CexPr1-xB　6　(0x0.6))　bulks　were　successfully　fabricated　by　spark　plasma　sintering　(SPS).　A　lot　of　experiments　are　conducted　to　testing　the　mechanical　and　emission　properties.　The　technological　applications　parameters　are　following:　the　sintering　temperature　is　1450°C,　the　sintering　pressure　is　50　MPa　and　the　holding　time　is　5　min.　The　maximum　pulse　thermionic　emission　density　of　Ce0.6Pr0.4B6　is　47.3　A·cm2　at　1973K　with　voltage　up　to　950　V.　©　2012　IEEE.

关键词：

Cerium compounds Fabrication Praseodymium compounds Rare earths Spark plasma sintering Thermionic emission Vacuum technology

作者机构：

[ 1 ] [Li, Xiao-Na]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials of Education, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Zhang, Jiu-Xing]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials of Education, Beijing University of Technology, Beijing, 100124, China
[ 3 ] [Zhang, Xin]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials of Education, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Bao, Li-Hong]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials of Education, Beijing University of Technology, Beijing, 100124, China
[ 5 ] [Zhang, Ning]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials of Education, Beijing University of Technology, Beijing, 100124, China

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