Txoj Cai ntawm Weathering Steel

Tom qab ntxiv phosphorus, tooj liab, chromium, npib tsib xee thiab lwm yam ib txoj lw ntsiab rau lub steel, ib tug tuab thiab mas adherent tiv thaiv zaj duab xis yog tsim rau ntawm qhov chaw ntawm lub steel, uas hinders kis thiab kev loj hlob ntawm tus kab xeb thiab tiv thaiv lub substrate nyob rau hauv lub xeb txheej rau qeeb nws tus nqi corrosion. Lub amorphous spinel-type oxide txheej nrog lub thickness ntawm txog 50μm-100μm tsim ntawm cov xeb txheej thiab cov substrate yog ntom thiab muaj zoo adhesion rau cov hlau substrate. Vim lub hav zoov ntawm no tuab oxide zaj duab xis, nws txwv tsis pub cov pa thiab cov pa nyob rau hauv cov cua. Kev nkag mus ntawm cov dej mus rau hauv cov hlau matrix slows txoj kev loj hlob ntawm xeb mus rau cov khoom hlau nyob rau hauv qhov tob, thiab zoo heev txhim kho atmospheric corrosion kuj ntawm cov khoom steel. Weathering steel yog ib hom hlau uas tuaj yeem siv rau hauv cov txheej txheem thinner, nthuav tawm, lossis cov txheej txheem yooj yim, txhawm rau txuas lub neej ntawm cov khoom, txuag kev ua haujlwm thiab txo kev noj, thiab txhim kho. Kev txhim kho tsis tu ncua thiab kev tsim kho tshiab ntawm steel series.