非晶合金的非晶微結(jié)構(gòu)、晶化后納米復(fù)合永磁體的組織結(jié)構(gòu)及磁性能的影響規(guī)律.結(jié)果表明,非晶合金直接于750℃退火后軟磁α-Fe相和硬磁Sm2(Fe,Si)17Cx相的尺寸分別為50.6和20.6nm,體積分?jǐn)?shù)分別為71.1%和28.9%;而經(jīng)400℃熱處理后復(fù)納米晶組織結(jié)構(gòu)中α-Fe相和Sm2(Fe,Si)17Cx相的晶粒尺寸分別改變?yōu)?6.5和24.4nm,體積分?jǐn)?shù)分別為76.7%和23.3%,磁交換耦合作用明顯增強(qiáng).徑向分布函數(shù)計(jì)算表明,低溫?zé)崽幚韮?yōu)化了非晶合金的短程有序范圍、配位數(shù)和最近鄰原子間距等微結(jié)構(gòu)參數(shù),改變了原始態(tài)非晶合金中α-Fe相和Sm2(Fe,Si)17Cx相的晶化行為,這是細(xì)化α-Fe/Sm2(Fe,Si)17Cx復(fù)合納米晶結(jié)構(gòu)和提高磁耦合性能的根本原因."/>

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Enhancement of Magnetic Properties by Annealing at Low Temperature for the α-Fe/Sm2Fe17Cx Nano Composite Alloy
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O646 O484.5

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[Zhang Pengyue, Ge Hongliang, Chen Liangfu, Chen Kuiyu, Liu Jianhua. Enhancement of Magnetic Properties by Annealing at Low Temperature for the α-Fe/Sm2Fe17Cx Nano Composite Alloy[J]. Rare Metal Materials and Engineering,2008,37(6):995~998.]
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