| 定向凝固条件下Nd_2Fe_(14)B枝晶的择优生长方向 |
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| 引用本文： | 陈钟敏,邹光荣,史正兴,傅恒志.定向凝固条件下Nd_2Fe_(14)B枝晶的择优生长方向[J].航空学报,1991,12(3):210-212. |
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| 作者姓名： | 陈钟敏 邹光荣 史正兴 傅恒志 |
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| 作者单位： | 西北工业大学
(陈钟敏，邹光荣，史正兴)，西北工业大学(傅恒志) |
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| 摘 要： | 定向凝固技术已经成功地应用于可加工S_m-C_o永磁体的制备并表现出工艺简单等优点。该技术中,易磁化轴的取向排列是利用基体相定向凝固形成的择优取向来实现的。这就要求基体相的择优生长方向必须与其易磁化方向平行;这是采用定向凝固技术制备永磁体的前提。对于NdFeB永磁合金,基体相Nd_2Fe_(14)B具有四方晶体结构,易磁化方
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| 关 键 词： | 择优生长方向 易磁化方向 定向凝固 |
PREFERRED GROWTH DIRECTION OF Nd_2Fe_14B DENDRITE IN DIRECTIONAL SOLIDIFICATION |
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| Northwestern Polytechnical University Chen Zhongmin,Zou Guangrong,Shi Zhengxing and Fu Hengzhi.PREFERRED GROWTH DIRECTION OF Nd_2Fe_14B DENDRITE IN DIRECTIONAL SOLIDIFICATION[J].Acta Aeronautica et Astronautica Sinica,1991,12(3):210-212. |
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| Authors: | Northwestern Polytechnical University Chen Zhongmin Zou Guangrong Shi Zhengxing and Fu Hengzhi |
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| Institution: | Northwestern Polytechnical University |
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| Abstract: | Directional solidification process of Nd17Fe75B8alloy is studied experimentally. It is found that the Nd2Fe14B matrix crystallized directly from the melt and grows directlynally in dendrite formation. The preferred growth direction of the dendrite is 100], perpendicular to its easy magnetication direction 001]. |
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| Keywords: | preferred growth direction direction of easy magnetization directional solidification |
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