BS 7291 Brass Ua Rau Oxidation
Nov 28, 2024
Tooj dag muaj tooj liab muaj tus duav, cov hlau uas ib txwm tiv taus oxidation. Thaum tooj liab cuam tshuam nrog oxygen, nws tsim ib txheej nyias nyias, ruaj khov ntawm tooj liab oxide uas tiv thaiv cov khoom seem. Qhov no Patina ua raws li kev thaiv uas tiv thaiv cov pa oxygen thiab lwm tus neeg sawv cev ntawm cov neeg sawv cev ntawm cov neeg sawv cev ntawm cov haum. Zinc, qhov thib ob thawj Cheebtsam ntawm tooj dag, tseem ua rau ua rau nws cov khoom tiv thaiv antioxidation. Kev sib xyaw ntawm tooj liab thiab zinc cov qhab nia hauv ib qho alloy uas tsis tsuas yog tiv taus xeb tab sis kuj tswj hwm nws cov khoom siv zog thiab kev ua tau zoo dhau sijhawm.
Nyob rau hauv sib piv rau lwm cov hlau zoo li hlau lossis hlau, uas xeb thiab nthuav tawm cov pa oxygen thiab noo noo, tooj dag cov txheej txheem no tsis muaj oxidation ntxiv. Qhov no ua kom pom tseeb tias tooj dag raj raj fittings nyob ua haujlwm thiab ntseeg tau, tseem muaj cov xwm txheej nyuaj.
