Insimbi engagqwaliYaziwa ngokumelana kwayo kokugqwala, kepha ayivikeki ngokuphelele ukugqwala. Insimbi engenasici ingagqwala ngaphansi kwezimo ezithile, nokuqonda ukuthi kungani lokhu kwenzeka kungasiza ukuvikela nokuphatha ukuntuleka.
Insimbi engenasici iqukethe i-chromium, eyakha ungqimba oluncane, olungenasisekelo lwe-oxide ngaphezulu kwalo lapho kuvezwa umoya-mpilo. Le areser ye-oxide, eyaziwa nangokuthi "ungqimba olungenangqondo," ihlinzeka ngokumelana nokugqwala lokhoinsimbi engagqwaliidume.
Izici ezithinta ukugqwala ngensimbi engenasici:
Ukuchayeka kuma-clorides
Ukulimala Kwemishini
Ukuntuleka komoya-mpilo
Ukonakalisa
Amazinga okushisa aphezulu
Insimbi Engagqwali Engagqwali
Izindawo ezinzima zamakhemikhali
Izinhlobo Zokulungiswa Kwensimbi Engagqwali:
Kunezinhlobo ezahlukene zokugqwala kwensimbi engenasici. Ngamunye wabo uveza izinselelo ezahlukene futhi adinga ukuphathwa okuhlukile.
Ukugqwala okujwayelekile- Kuyinto ebaluleke kakhulu futhi elula ukuphatha. Kubonakaliswa ukulahleka okufanayo komhlaba wonke.
I-Galvanic Corrosion- Lolu hlobo lokugqwala luthinta ama-alloys amaningi wensimbi. Kubhekisa esimweni lapho kuhlangana khona insimbi eyodwa futhi ibangela umuntu noma bobabili baphendule komunye nomunye ne-Corpode.
Ukugcwala okukhohlakele- Uhlobo lwendawo lokugqwala olushiya imithambo noma izimbobo. Kugcwele ezindaweni eziqukethe ama-chlorides.
Ukugqwala kwe-Crevice- Ukugqwala okwenziwe kwasendaweni okwenzeka e-crevice phakathi kwezindawo ezimbili zokujoyina. Kungenzeka phakathi kwezinsimbi ezimbili noma insimbi kanye nensimbi.
Vimbela insimbi engagqwali ekujuleni:
Hlanza insimbi engagqwali njalo ukuze ususe ukungcola futhi ugcine ungqimba lwayo lokuvikela.
Gwema ukudalula insimbi engagqwali kuma-clorides namakhemikhali anokhahlo.
Vikela insimbi engagqwali kusuka kumonakalo wemishini ngokusebenzisa ukuphatha okufanele nokugcina.
Qinisekisa ukuthi umoya omncane usendaweni lapho kusetshenziswa khona insimbi engenacala ukuze kugcinwe amazinga we-oxygen.
Khetha insimbi esezingeni eliphakeme engenacala nge-alloy yokwakheka efanelekile yohlelo lokusebenza okuhlosiwe.
Isikhathi sePosi: Aug-11-2023