
Nickel-based corrosion-resistant alloys ikirasi yezvigadzirwa zvesimbi zvemhando yepamusoro zvakagadziridzwa kuti zvimirire nharaunda dzinoparadza zvakanyanya. Nheyo yavo ndeye nickel (Ni) matrix, iyo inopesana nemararamiro akawanda, yakasanganiswa nezvimwe zvinhu zvinokosha-kunyanya chromium (Cr), molybdenum (Mo), uye dzimwe nguva mhangura (Cu) uye nitrogen (N) - kugadzira mhuri yakasiyana-siyana uye ine simba yezvinhu zvekushandisa zvakanyanya makemikari uye maindasitiri.
Ndivo vanoenda-kune mhinduro kana simbi isina tsvina isingachakwani.
Exceptional Corrosion Resistance: Iyi ndiyo yavo yekutsanangura pfuma. Ivo vanopa kupikisa kwakatanhamara kune dzakasiyana siyana dzekuora, kusanganisira:
Acids: sulfuric acid, hydrochloric acid, phosphoric acid.
Caustics: Yakasimba alkaline mhinduro.
Chloride-Induced Attacks: Pitting uye crevice corrosion, ayo ari ekutanga kutadza modhi yemasimbi asina tsvina.
Stress Corrosion Cracking (SCC): Inopikisa zvakanyanya kutsemuka pasi pechiito chakabatanidzwa chekushushikana kwekushushikana uye nharaunda inoparadza.
Yakasiyana-siyana: Yakasiyana-siyana yearoyi maumbirwo anobvumira kusona zvivakwa kuti kunanga chaiwo mamiriro ekuora (semuenzaniso, yakakwira Mo yekupikisa chloride, yakakwira Cr yenzvimbo dzeoxidizing).
Yakanaka Yepamusoro-Tembiricha Kuita: Mazhinji eaya alloys anoumba yakagadzikana, inodzivirira oxide chiyero (yakavakirwa paCr₂O₃), ichivabvumira kuramba oxidation uye carburization pane yakakwirira tembiricha.
Yakanaka Mechanical Properties: Ivo vanochengeta simba rakanaka uye kuoma kubva kune cryogenic tembiricha kusvika kune yakakwirira tembiricha.
Nickel-based corrosion-resistant alloys inogona kuiswa mumapoka makuru emhuri, imwe neimwe yakagadziridzwa kumatambudziko akasiyana.
| Alloy Family | Key Alloying Elements | Iconic Mienzaniso | Primary Corrosion Resistance & Applications |
| Nickel-Chromium | Ndizvo, Cr | Alloy 600 | Oxidation kuramba pakupisa kwakanyanya; caustic environments. |
| Nickel-Chromium-Iron | Ndi, Cr, Fe | Alloy 800/800H | High-temperature oxidation uye carburization kuramba; midziyo yekurapa kupisa. |
| Nickel-Chromium-Molybdenum | Ndi, Cr, Mo | C-276, C-22, C-2000 | Mhuri inogoneka zvakanyanya. Kunyanya kupikisa pitting, crevice corrosion, uye huwandu hwakawanda hweasidhi uye chlorides. Inoshandiswa mukugadzirwa kwemakemikari, flue gasi desulfurization, uye kusvibiswa kwekudzora. |
| Nickel-Chromium-Molybdenum ine Mhangura | Ni, Cr, Mo, Cu | Alloy 400, Alloy 825 | Kunyanya kupikisa kune sulfuric uye phosphoric acids; yakashandiswa zvakanyanya mumakungwa uye makemikari ekugadzirisa zvikumbiro. |
| Nickel-Molybdenum | Ndi, Mo | Alloy B-2, B-3 | Kusarudzika kuramba kudzikisa nharaunda (isina-oxidizing acids) senge hydrochloric acid. |
| Nickel-Chromium-Molybdenum ine Nitrogen | Ndi, Cr, Mo, N | Alloy 625, Alloy 718 | Inosanganisa simba repamusoro (kubva mukunaya kwemvura kuomesa) nekunaka kwecorrosion uye oxidation kuramba. Inoshandiswa muaerospace, makemikari, uye marine engineering. |