Cov hlau nplaum sib nqus yog cov hlau sib nqus hlau cov ntaub ntawv ua los ntawm cov hlau uas muaj cov hlau oxides thiab cov hlau nplaum cov hlau nplaum uas tsis muaj hlau cov ntsiab lus los ntawm kev siv thev naus laus zis. Hlau nplaum ceramics, tseem hu ua ferrite lossis ferrite, yog qhov tseem ceeb ntawm ntau hom khoom siv ceramic.
Kev tua hluav taws ntawm ferrite feem ntau nqa tawm hauv qhov cub hluav taws xob nrog silicon carbide cov pas nrig hauv qhov chaw oxidizing ntawm 1150 ~ 1350 ° C. Thaum sintering mos ferrite nrog siab sib nqus permeability, qhov tso cua txias yuav tsum raug tswj kom nws txias txias maj mam txhawm rau sab hauv kev nyuaj siab ntawm ferrite.