
I-nickel-based based corrosion-resistant alloys luhlobo lwemathiriyeli yentsimbi ephucukileyo eyenzelwe ukuba imelane nemekobume edlekayo. Isiseko sabo yi-nickel (Ni) matrix, echasene ngokwemvelo kwizinto ezininzi ezidliwayo, ezixutywe kunye nezinye izinto eziphambili-ngokuyinhloko i-chromium (Cr), i-molybdenum (Mo), kwaye ngamanye amaxesha ubhedu (Cu) kunye ne-nitrogen (N) -ukudala usapho oluguquguqukayo kunye nolunamandla lwezixhobo zezona zinto ziyingozi kakhulu kwiikhemikhali kunye nezicelo zoshishino.
Ziyisisombululo xa iintsimbi ezingenastainless zingasanele.
Ukumelana noKutya okuKhethekileyo: Le yipropati yabo echazayo. Banikezela ngokuxhathisa okubalaseleyo kuluhlu olubanzi lwezinto ezityiwayo, kubandakanya:
Iiasidi: i-asidi ye-sulfuric, i-hydrochloric acid, i-phosphoric acid.
Caustics: Izisombululo zealkaline ezinamandla.
Uhlaselo lweChloride-Induced: Pitting and crevice corrosion, eziyizona ndlela zokungaphumeleli eziphambili kwiintsimbi eziqhelekileyo ezingenasici.
Uxinzelelo lwe-Corrosion Cracking (SCC): Ukumelana kakhulu nokuqhekeka phantsi kwesenzo esidityanisiweyo soxinzelelo lwe-tensile kunye nendawo enobungozi.
I-Versatility: Uluhlu olubanzi lwee-alloy compositions luvumela ukulungelelanisa iipropati ukujolisa kwiimeko ezithile ezinobungozi (umzekelo, i-Mo ephezulu yokumelana ne-chloride, i-Cr ephezulu ye-oxidizing environments).
Umgangatho oPhezulu wokuSebenza okuPhezulu: Uninzi lwala ma-alloys lwenza i-stable oxide scale (esekelwe kwi-Cr₂O₃), evumela ukuba baxhathise i-oxidation kunye ne-carburization kumaqondo aphezulu aphezulu.
IiPropati ezigqwesileyo zoomatshini: Bagcina amandla amahle kunye nokuqina ukusuka kubushushu be-cryogenic ukuya kumaqondo aphezulu aphezulu.
I-nickel-based corrosion-resistant alloys ingahlelwa kwiintsapho ezininzi ezinkulu, nganye ilungiselelwe imingeni eyahlukeneyo.
| I-alloy Family | Izinto ezingundoqo zokudibanisa | Imizekelo enguMfanekiso | Ukuchasa okuPhambili kokuRhakala kunye nezicelo |
| I-Nickel-Chromium | Ewe, uCr | Ingxubevange 600 | Ukumelana ne-oxidation kumaqondo aphezulu; iindawo caustic. |
| I-Nickel-Chromium-Iron | Mna, Cr, Fe | Ingxubevange 800/800H | Ubushushu obuphezulu be-oxidation kunye nokumelana ne-carburization; izixhobo zokunyanga ubushushu. |
| I-Nickel-Chromium-Molybdenum | Ni, Cr, Mo | C-276, C-22, C-2000 | Eyona ntsapho iguquguqukayo. Ukuchasana okuphezulu kwi-pitting, i-crevice corrosion, kunye noluhlu olubanzi lwee-acids kunye neekloridi. Isetyenziselwa ukusetyenzwa kweekhemikhali, i-flue gas desulfurization, kunye nolawulo longcoliseko. |
| I-Nickel-Chromium-Molybdenum eneCopper | Ni, Cr, Mo, Cu | Ingxubevange 400, Ingxubevange 825 | Ukuchasana okugqwesileyo kwi-sulfuric kunye ne-phosphoric acids; isetyenziswa kakhulu kwiinkqubo zaselwandle nakwimichiza. |
| I-Nickel-Molybdenum | Ewe, Mo | Ingxubevange B-2, B-3 | Ukuchasana okukhethekileyo kwiindawo zokunciphisa (i-non-oxidizing acids) njenge-hydrochloric acid. |
| I-Nickel-Chromium-Molybdenum kunye neNitrogen | Ni, Cr, Mo, N | Ingxubevange 625, Ingxubevange 718 | Udibanisa amandla aphezulu (ukusuka kukuqina kwemvula) kunye nokugqwesa okugqwesileyo kunye nokumelana ne-oxidation. Isetyenziswa kwi-aerospace, iikhemikhali, kunye nobunjineli baselwandle. |