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淺析釹鐵硼永磁鐵在搞低溫環境下的性能情況

發布日期:2019-06-20 作者:dl8818tv.com 點擊:

  釹鐵硼永磁鐵被稱為第三代稀土永磁,是迄今磁性能較高的永磁材料。燒結釹鐵硼合金的主相是金屬間化合物Nd2Fe14B,它的飽和磁極化強度(Js)為1.6T。由于燒結釹鐵硼永磁合金是由主相Nd2Fe14B和晶界相構成的,同時Nd2Fe14B晶粒取向度受工藝條件的限制,目前磁體的剩磁高能達到1.5T。


  NVTIEPENGFENWEISHAOJIENVTIEPENGHEZHANJIENVTIEPENGLIANGZHONG,ZHANJIENVTIEPENGGEGEFANGXIANGDOUYOUCIXING,NAIFUSHI;ERSHAOJIENVTIEPENGYINYIFUSHI,BIAOMIANXUDUCENG,YIBANYOUDUXIN、NIE、HUANBAOXIN、HUANBAONIE、NIETONGNIE、HUANBAONIETONGNIEDENG。ERSHAOJIENVTIEPENGYIBANFENZHOUXIANGCHONGCIYUJINGXIANGCHONGCI,GENJUSUOXUYAODEGONGZUOMIANLAIDING。


  CITIEYUDAOGAOWENHUOZHEWENDUCHAOGUOSHIYONGWENDUSHIJIUHUICHUXIANTUICIXIANXIANG,NEIMERUGUOCITIEZAIZAOYUDIWENHUANJING,SHIFOUYEHUICHUXIANTUICINI?WOMENZHIDAONVTIEPENGQIANGLICITIEDEJIAOGAONAIWENSHI220DU,CHANGGUINAIWEN80DU,DANGWENDUJIEJINHUOCHAOGUONVTIEPENGQIANGLICITIESUONENGCHENGSHOUDEFANWEI,JIUHUICHUXIANTUICIXIANXIANG,SHIJIANYUEJIUCITIETUICIYEJIUYUEDUO,DAODAYIDINGDESHIJIANCITIEJIUHUIWANQUANXIAOCI。NVTIEPENGYONGCITIE


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釹鐵硼永磁鐵

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