Texture Development in (Nd,Ce)-Fe-B-type Die-upset Hybrid Magnet Consisted of Two Hard Magnetic Constituents

Abstract

Texture development in the Ce-substituted Nd-Fe-B-type die-upset hybrid magnet, which was fabricated using starting materials of Ce-substituted (NdSUB0.55/SUBCeSUB0.45/SUB)SUB15/SUBFeSUB72.2/SUBCoSUB6.6/SUBGaSUB0.6/SUBBSUB5.6/SUB HDDR-treated alloy powder and meltspun NdSUB13.6/SUBFeSUB73.6/SUBCoSUB6.6/SUBGaSUB0.6/SUBBSUB5.6/SUB flakes (MQU-F) without Ce, was investigated. Noticeably better texture developed in die-upset magnet from the MQU-F flakes alone with respect to magnet from the HDDR-treated powder alone. Better texture developed also in the MQU-F flake regions in the die-upset hybrid magnet with respect to the HDDR particle regions, and overall texture in the hybrid magnet was dominantly controlled by the texture in the MQU-F flake regions. Overall texture in the hybrid magnet was not as good as the weighted average of texture expected from texture of the single alloy magnets from the HDDR powder alone and the MQU-F flakes alone.