Study on Characteristics of Crystal Growth of NdFeB Cast Alloys
来源期刊：JOURNAL OF RARE EARTHS2004年第2期
论文作者：王东玲 刘涛 李波 喻晓军 郭炳麟
Key words：metal materials; NdFeB cast alloys; strip casting; cooling rate; crystal growth orientation; rare earths;
Abstract: The characteristic of crystal growth of NdFeB cast alloys was studied.It is found that the crystal growth orientation of conventional ingots is along <410> or <411>.As the cooling rate increases,the crystallization orientation changes from a axis to c axis,along which the grain is easy to be magnetized.Meanwhile,by analyzing the change of crystallization orientation,the influence on the property of magnets was discussed.
王东玲1，刘涛1，李波1，喻晓军1，郭炳麟1
(1.Advanced Technology and Materials Co. Ltd.,Functional Materials Division,Central Iron & Steel Research Institute,Beijing 100081,China)
Abstract:The characteristic of crystal growth of NdFeB cast alloys was studied.It is found that the crystal growth orientation of conventional ingots is along <410> or <411>.As the cooling rate increases,the crystallization orientation changes from a axis to c axis,along which the grain is easy to be magnetized.Meanwhile,by analyzing the change of crystallization orientation,the influence on the property of magnets was discussed.
Key words:metal materials; NdFeB cast alloys; strip casting; cooling rate; crystal growth orientation; rare earths;
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