西北师范大学学报(自然科学版)
西北師範大學學報(自然科學版)
서북사범대학학보(자연과학판)
JOURNAL OF NORTHWEST NORMAL UNIVERSITY(NATURAL SCIENCE)
2014年
3期
44-47
,共4页
刘仁生%张清%王江涛%汪先江%赵振杰
劉仁生%張清%王江濤%汪先江%趙振傑
류인생%장청%왕강도%왕선강%조진걸
坡莫合金%真空感应熔炼%复合结构坩埚%软磁性能
坡莫閤金%真空感應鎔煉%複閤結構坩堝%軟磁性能
파막합금%진공감응용련%복합결구감과%연자성능
permalloy%vacuum induction melting%composited structure crucible%soft magnetic properties
在复合结构坩埚(外层石墨坩埚,内层氧化镁坩埚)中,利用真空感应熔炼法制备了坡莫合金,研究了配方和制备工艺对坡莫合金软磁性能的影响.结果表明,同一熔炼工艺, Fe19.8Ni80.2软磁性能最佳;熔化起始阶段合金的边缘位置比内部中央位置软磁性能好,精炼阶段则相反;随着熔炼时间的增加,同一位置的坡莫合金结构越来越均匀,软磁性能越来越好,最后趋于不变.
在複閤結構坩堝(外層石墨坩堝,內層氧化鎂坩堝)中,利用真空感應鎔煉法製備瞭坡莫閤金,研究瞭配方和製備工藝對坡莫閤金軟磁性能的影響.結果錶明,同一鎔煉工藝, Fe19.8Ni80.2軟磁性能最佳;鎔化起始階段閤金的邊緣位置比內部中央位置軟磁性能好,精煉階段則相反;隨著鎔煉時間的增加,同一位置的坡莫閤金結構越來越均勻,軟磁性能越來越好,最後趨于不變.
재복합결구감과(외층석묵감과,내층양화미감과)중,이용진공감응용련법제비료파막합금,연구료배방화제비공예대파막합금연자성능적영향.결과표명,동일용련공예, Fe19.8Ni80.2연자성능최가;용화기시계단합금적변연위치비내부중앙위치연자성능호,정련계단칙상반;수착용련시간적증가,동일위치적파막합금결구월래월균균,연자성능월래월호,최후추우불변.
Permalloy is prepared by vacuum induction melting method (VIM ) using composited structure crucible(The outer layer is a graphite crucible ,and the inner layer is a magnesium oxide crucible) . The soft magnetic properties of the prepared permalloy is studied . The results show that the soft magnetic properties of Fe19.8 Ni80.2 are the best . The softness of permalloy of the edge position is better than internal central location during the initial stage of melting . T he conclusion is opposite during refining stage . With the increase of melting time , the structure of the same position permalloy is more and more uniform , therefore , softness is better and better . Finally , it achieves a constant value .