Lub ntsiab yog vim li cas rau demagnetization ntawm kauv welded kav - txhim kho vuam zoo

Thaum lub sij hawm tsim cov txheej txheem ntawm kauv welded steel kav, tshwj xeeb tshaj yog thaum lub sij hawm welding txheej txheem, kev siv cov welding ncaj qha tam sim no tshwm sim nyob rau hauv lub cim ntawm ib tug muaj zog magnetic teb ntawm lub vuam taub hau thiab vuam hlau vim yog lub siab tam sim no. Qhov chaw sib nqus no ua rau lub sijhawm sib nqus ntawm cov yeeb nkab steel lub cev kom haum nrog cov kev taw qhia ntawm sab nraud magnetic teb. Tom qab welding tiav, lub magnetic teb maj mam txo kom txog thaum nws ploj mus. Txawm li cas los xij, vim yog hysteresis, qee qhov sib nqus flux ntom ntom, feem ntau hu ua cov hlau nplaum seem, tseem nyob ntawm lub cev yeeb nkab. Lub xub ntiag ntawm cov hlau nplaum seem tsis zoo cuam tshuam rau kev ua haujlwm vuam tom ntej, xws li los ntawm kev cuam tshuam qhov ruaj khov ntawm vuam arc, yog li txo qhov vuam zoo. Yog li ntawd, kev kho demagnetization tuaj yeem tshem tawm lossis ua kom tsis muaj zog hlau nplaum, txhim kho vuam zoo.