Insimbi engagqwali iqukethe ubuncane be-chromium engu-10.5%, eyenza ungqimba lwe-oxide oluncane, olungabonakali, nolunamathela kakhulu endaweni yensimbi ebizwa ngokuthi "ungqimba lwe-passive."Lesi singqimba esingenzi lutho yiso esenza insimbi engagqwali imelane kakhulu nokugqwala nokugqwala.
Lapho insimbi ichayeke kumoya-mpilo kanye nomswakama, i-chromium esensimbi isabela komoya-mpilo osemoyeni ukuze yakhe ungqimba oluncane lwe-chromium oxide ebusweni bensimbi.Lolu ngqimba lwe-chromium oxide luvikela kakhulu, njengoba luzinzile futhi alubhidliki kalula.Ngenxa yalokho, ivimbela ngokuphumelelayo insimbi engaphansi kwayo ukuthi ingathintani nomoya nomswakama, okudingekayo ukuze inqubo yokugqwala yenzeke.
Isendlalelo sokwenziwa sibalulekile ekumelana nokugqwala kwensimbi engagqwali, futhi inani le-chromium ensimbi linquma amandla ayo okumelana nokugqwala nokugqwala.Okuqukethwe kwe-chromium ephakeme kuphumela kusendlalelo sokungenzi lutho esivikela kakhudlwana kanye nokumelana nokugqwala okungcono.Ukwengeza, ezinye izakhi ezifana ne-nickel, i-molybdenum, ne-nitrogen nazo zingangezwa ensimbi ukuze kuthuthukiswe ukumelana nokugqwala.
Isikhathi sokuthumela: Feb-15-2023