Vim li cas demagnetization yuav tsum tau rau kauv welded kav? Demagnetization yog dab tsi?

Demagnetization, raws li nws lub npe implies, yuav tshem tawm los yog txo cov hlau nplaum ntawm ib yam khoom. Lub hauv paus ntsiab lus tseem ceeb cuam tshuam txog kev hloov pauv ntawm cov khoom sib nqus sab hauv hauv cov khoom sib nqus los ntawm kev ua haujlwm sab nraud (xws li rov qab sib nqus teb, kub kub, cuam tshuam, thiab lwm yam), yog li ua kom tsis muaj zog lossis tshem tawm cov hlau nplaum. Hauv cov ntaub ntawv sib nqus, muaj ntau qhov sib nqus me me, thiab cov lus qhia lub sijhawm sib nqus ntawm cov npe no tau pib ua kom zoo, ua rau tag nrho cov khoom tuaj yeem pom cov hlau nplaum. Thaum cov kev ua sab nraud cuam tshuam qhov kev sib haum xeeb no, cov hlau nplaum ntawm cov khoom tsis muaj zog lossis ploj mus.