Intsimbi engatyiwayo ayizugqwala, kodwa akulula ukuyirusa. Ngaphantsi kwezinye iimeko, insimbi engenasici iya kuhlwa. Umphezulu wensimbi engenasici unomfanekiso obhityileyo kakhulu, obhityileyo kunye nozinzile wechromium etyebileyo yeoksidi, irust yensimbi engenasici, ngale filimu yeoksidi ukunqanda i-athomu yeoksijini ukungena kwi-oxidation reaction kunye nomhlwa. Enyanisweni, ezinye iintsimbi ezingenasici zine-rust resistance kunye nokumelana ne-asidi (i-corrosion resistance). I-rust and corrosion resistance of steel stainless steel ngenxa yokubunjwa kwefilimu ye-oxide ecebileyo ye-chromium (ifilimu ye-passivation) kwindawo yayo, eyahlula isinyithi kwi-medium yangaphandle, ikhusela isinyithi ukuba ingabikho ngakumbi, kwaye inamandla okuzilungisa. Ukuba yonakele, i-chromium kwintsimbi iya kuvuselela ifilimu yokupasa kunye ne-oksijini ephakathi kwaye iqhubeke idlala indima yokukhusela. Xa ifilimu ye-oxide yonakalisiwe, irusila ngokulula.
I-1) Ubume bensimbi engenasici bunomswakama, kwimeko yamanzi kunye ne-oksijini, ukubunjwa kwe-asidi ye-organic kunye nomonakalo we-rosion kumphezulu wensimbi engenasici.
I-2) Iimveliso zensimbi ezingenasici zonakaliswe ngomatshini zizixhobo zokufakela kwaye zonakalise ifilimu yokukhusela indawo. Ngokomzekelo, xa iibholiti zensimbi ezingenasici zifakwe kwi-engineering yodonga lwamakhethini angaphandle, i-wrench ibangela umonakalo womatshini kwindawo apho i-bolt head contacts. Emva kokuhlanjwa kwemvula, intloko yeebholiti zentsimbi iya kubonakala ngumhlwa odadayo omncinci.
3) Kukho ukungcola kothuli okanye iincinci zetsimbi ebusweni bensimbi engenasici, ekulula ukuba i-electrochemical iphendule ngensimbi engenasici emoyeni omanzi ukukhawulezisa ukubola kwensimbi engenasici.
4) Umphezulu wensimbi engenasici ovezwe kwi-asidi, i-alkali, ityuwa kunye nezinye izinto zixhomekeke kwi-corrosion ye-chemical reaction. Ngokomzekelo, i-fasteners yodonga lwamakhethini kwiidolophu eziselunxwemeni zikhethwa ngokubanzi kwiimveliso zensimbi ezingenasici ze-316 (i-corrosion-resistant ngaphezu kwe-304 insimbi engenasici), ngenxa yokuba umxholo wetyuwa ephezulu emoyeni wezixeko ezinxweme kulula ukubangela ukubola kwintsimbi engenasici.
Ngoko ke, ukuze wenze iimveliso zensimbi ezingenasici zigcine zikhanya kwaye zingagqwali, kuyimfuneko ukukhetha izinto ezifanelekileyo zeemveliso zensimbi ezingenasici, ezilandelwa kukucoca nokugcina iimveliso zensimbi ezingenasici, ukususa ukungcola komhlaba ukuphepha ukusabela kunye nokubola.
Ixesha lokuposa: Aug-19-2022
