Kev Txhim Kho Ntawm Cov Khoom Siv Hluav Taws Xob

Thaum pib ntawm lub xyoo pua 20th, silicon steel los xij tau tsim los hloov cov pa roj carbon tsawg, uas txhim kho kev ua haujlwm ntawm transformers thiab txo qhov poob. Silicon steel daim ntawv tseem yog thawj zaug ntawm cov khoom siv hlau nplaum uas siv hauv kev lag luam fais fab. Nyob rau xyoo 1920, qhov nce ntawm xov tooj cua tshuab tau txhawb txoj kev loj hlob ntawm cov khoom sib nqus permeability siab, thiab qhov tshwm sim ntawm permalloy thiab permalloy magnetic hmoov cores. Txij xyoo 1940 txog rau xyoo 1960, nws yog lub sijhawm ntawm kev loj hlob sai ntawm kev tshawb fawb thiab thev naus laus zis. Lub invention ntawm radar, TV tshaj tawm, integrated circuits, thiab lwm yam, muaj kev xav tau ntau dua rau cov khoom sib nqus mos. Mos magnetic alloy nyias strips thiab cov ntaub ntawv mos ferrite tau tsim. . Nyob rau xyoo 1970, nrog rau kev txhim kho ntawm kev sib txuas lus, kev tswj tsis siv neeg, khoos phis tawj thiab lwm yam lag luam, cov khoom siv hlau nplaum mos rau cov hlau nplaum tau tsim. Ntxiv rau cov tsoos crystalline mos magnetic alloys, lwm yam khoom siv, amorphous mos magnetic alloys, tshwm sim. .