| Structure and magnetic properties ofhigh-performanced Sm2（Co, Fe, Cu, Zr）17 alloys |
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| 引用本文： | 李丽娅,易健宏,彭元东,唐新文,曾庆灵,付应生,罗述东.Structure and magnetic properties ofhigh-performanced Sm2（Co, Fe, Cu, Zr）17 alloys[J].中国有色金属学会会刊,2002,12(2):294-296. |
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| 作者姓名： | 李丽娅 易健宏 彭元东 唐新文 曾庆灵 付应生 罗述东 |
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| 作者单位： | State Key Laboratory for Powder Metallurgy，Central South University，Changsha 410083，China |
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| 基金项目： | ProjectsupportedbytheFoundationforUniversityKeyTeacherbytheMinistryofEducatation |
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| 摘 要： | ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｈｉｇｈＣｕｒｉｅｔｅｍｐｅｒａｔｕｒｅａｎｄｌｏｗｅｓｔｔｅｍｐｅｒａ ｔｕｒｅｃｏｅｆｆｉｃｉｅｎｔｏｆｔｈｅＳｍ2 Ｃｏ17ｐｅｒｍａｎｅｎｔｍａｇｎｅｔｓｍａｋｅｔｈｅｍｂｅｉｄｅａｌｃａｎｄｉｄａｔｅｓｆｏｒｈｉｇｈｔ
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| 关 键 词： | 磁性能 温度系数 显微结构 磁体 Sm2Co17合金 |
Structure and magnetic properties of high-performanced Sm2(Co,Fe,Cu,Zr)17 alloys |
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| LI Li ya,YI Jian hong,PENG Yuan dong,TANG Xin wen,ZENG Qing ling,FU Ying sheng,LUO Shu dong.Structure and magnetic properties of high-performanced Sm2(Co,Fe,Cu,Zr)17 alloys[J].Transactions of Nonferrous Metals Society of China,2002,12(2):294-296. |
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| Authors: | LI Li ya YI Jian hong PENG Yuan dong TANG Xin wen ZENG Qing ling FU Ying sheng LUO Shu dong |
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| Abstract: | The magnetic properties of Sm2(Co,Fe,Cu,Zr)17 alloys are very sensitive to heat treatments.A magnet with Br of 1.08 T,Hci of 2 312 kA*m-1 and ( BH )max of 211.0 kJ*m-3 has been obtained after sintering at 1 201 ℃ and aging at 830 ℃.The magnet has a very low temperature coefficient ( β ) of -0.18%/℃.The maximum operating temperature is dramatically higher than commercial magnets.The microstructure analysis shows that Sm2(Co,Fe)17,Sm(Co,Cu)5 and Co2Zr are found in the magnet.The EDAX analysis shows that the cells are enriched in Fe,but depleted in Cu and Zr,whereas the cell boundaries are Cu and Zr enriched,but Fe depleted. |
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| Keywords: | magnets temperature coefficient magnetic and microstructure properties |
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