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Microstructure and magnetic properties of rapidly solidified Sm(Co_(bal)Fe_(0.11)Cu_(0.10)Zr_x)_7 alloys

Microstructure and magnetic properties of rapidly solidified Sm(Co_(bal)Fe_(0.11)Cu_(0.10)Zr_x)_7 alloys
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摘要 Effects of Zr content on the structural,morphological,and magnetic properties of rapidly quenched Sm(CoFe0.11Cu0.10Zrx)7(x=0-0.04) alloys were investigated. The Zr-free ribbon crystallizes with the 1∶7H structure as a major phase while the ribbons with Zr addition adopts the 2∶17R structure type. The ribbons with x=0.03 exhibits a highest coercivity,Hci=933.7 kA/m,because a smaller uniform cellular structure along with a lamellar phase is formed. The decrease of Hci above x>0.03 is mainly related to the formation of 2∶7 phase. Effects of Zr content on the structural, morphological, and magnetic properties of rapidly quenched Sm(CoF0.11CU0.10Zrx)7 (x=0 0.04) alloys were investigated. The Zr-free ribbon crystallizes with the 2:17H structure as a major phase while the ribbons with Zr addition adopts the 2:17R structure type. The ribbons with x-0.03 exhibits a highest coercivity, Hci=933.7 kA/m, because a smaller uniform cellular structure along with a lamellar phase is formed. The decrease of Hci above x〉0.03 is mainly related to the formation of 2:7 phase.
出处 《中国有色金属学会会刊:英文版》 CSCD 2007年第A02期1131-1134,共4页 Transactions of Nonferrous Metals Society of China
基金 Project(04JJ6029) supported by the Natural Science Foundation of Hunan Province, China
关键词 钐合金 快速固化 微观结构 磁性 矫顽力 rapid solidification annealing coercivity nanocrystalline microstructure SmCo
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参考文献18

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