Insimbi engenasici iqukethe ubuncane be-chromium eyi-10,5%, eyakha isendlalelo esincanyana, esingabonakali, futhi esikhulu kunazo zonke ensimbi ebizwa ngokuthi yi- "ungqimba olungenangqondo." Lokhu ungqimba kuphela yilokho okwenziwa ngensimbi engagqwali kumelana nokugqwala nokugqwala.
Lapho insimbi ivezwa ku-oksijini kanye nomswakama, i-chromium ensimbi iphendula nge-oksijini emoyeni ukuze wakhe ungqimba oluncane lwe-chromium oxide ngaphezulu kwensimbi. Le nhlangano ye-chromium oxide ivikeleke kakhulu, njengoba iqinile kakhulu futhi ingadiliki kalula. Ngenxa yalokhu, kuvimbela ngempumelelo insimbi engaphansi kwaso ukuthi ixhumane nomoya nomswakama, okudingekayo ukuze inqubo yokugqwala yenzeke.
Isendlalelo sokuphawula kubalulekile ekumelaneni nokugqwala kwensimbi engenasici, futhi inani le-chromium ngensimbi linquma amandla alo okumelana nokugqwala nokugqwala. Okuqukethwe okuphezulu kwe-chromium kubangela ungqimba olungenakuvikelwa ngokwengeziwe nokuphikiswa okungcono kokugqwala. Ngokwengeziwe, ezinye izinto ezinjenge-nickel, i-molybdenum, ne-nitrogen nazo zingangezwa ngensimbi ukuze zithuthukise ukumelana nokuqina kwayo.
Isikhathi sePosi: Feb-15-2023