
Nickel-based based corrosion-resistant alloys ndi gulu lazitsulo zapamwamba zomwe zimapangidwa kuti zipirire malo owononga kwambiri. Maziko awo ndi matrix a nickel (Ni), omwe mwachibadwa amakhala osagwirizana ndi zowononga zambiri, zosakanikirana ndi zinthu zina zazikulu-makamaka chromium (Cr), molybdenum (Mo), ndipo nthawi zina zamkuwa (Cu) ndi nayitrogeni (N) - kupanga banja losunthika komanso lamphamvu lazinthu zogwiritsa ntchito kwambiri mankhwala ndi mafakitale.
Ndiwo njira yothetsera pamene zitsulo zosapanga dzimbiri sizikhala zokwanira.
Kukaniza Kwapadera kwa Corrosion: Uwu ndiye mawonekedwe awo. Amapereka kukana kwakukulu kumitundu yosiyanasiyana ya zowononga, kuphatikiza:
Zidulo: sulfuric acid, hydrochloric acid, phosphoric acid.
Caustics: Mankhwala amphamvu amchere.
Ziwopsezo Zoyambitsidwa ndi Chloride: Kuyika ndi dzimbiri m'ming'alu, zomwe ndi njira zoyambirira zolephera zazitsulo zosapanga dzimbiri.
Stress Corrosion Cracking (SCC): Imalimbana kwambiri ndi ming'alu pansi pa kupsinjika kwamphamvu komanso malo owononga.
Kusinthasintha: Mitundu yosiyanasiyana ya aloyi imalola kuti zinthu zigwirizane ndi zomwe zimawononga (monga, high Mo for chloride resistance, high Cr for oxidizing environments).
Kuchita Kwabwino Kwambiri Kutentha Kwambiri: Zambiri mwazitsulozi zimapanga chiŵerengero chokhazikika, chotetezera cha oxide (chochokera ku Cr₂O₃), kuwalola kukana makutidwe ndi okosijeni ndi carburization pa kutentha kwakukulu.
Katundu Wamakina Wabwino Kwambiri: Amakhala ndi mphamvu zabwino komanso zolimba kuyambira kutentha kwa cryogenic mpaka kutentha kwambiri.
Ma alloys osagwirizana ndi Nickel amatha kugawidwa m'mabanja akuluakulu angapo, lililonse lokonzekera zovuta zosiyanasiyana.
| Aloyi Banja | Key Alloying Elements | Zitsanzo Zodziwika | Kukaniza Koyamba kwa Corrosion & Applications |
| Nickel-Chromium | Ndi, Cr | Alloy 600 | Kukana kwa okosijeni pa kutentha kwakukulu; chilengedwe cha caustic. |
| Nickel-Chromium-Iron | Ndi, Cr, Fe | Aloyi 800/800H | Kutentha kwambiri kwa okosijeni ndi kukana kwa carburization; zida zochizira kutentha. |
| Nickel-Chromium-Molybdenum | Ndi, Cr, Mo | C-276, C-22, C-2000 | Banja losinthika kwambiri. Kukana kwakukulu kwa pitting, corrosion, ndi mitundu yambiri ya ma acid ndi ma chloride. Amagwiritsidwa ntchito pokonza ma chemical, flue gas desulfurization, ndi kuwongolera kuipitsa. |
| Nickel-Chromium-Molybdenum yokhala ndi Copper | Ndi, Cr, Mo, Ku | Aloyi 400, Aloyi 825 | Kukana kwabwino kwa sulfuric ndi phosphoric acid; amagwiritsidwa ntchito kwambiri m'madzi ndi pokonza mankhwala. |
| Nickel-Molybdenum | Ndi, Mo | Aloyi B-2, B-3 | Kukaniza kwapadera kumachepetsa madera (osakhala oxidizing acid) monga hydrochloric acid. |
| Nickel-Chromium-Molybdenum yokhala ndi nayitrogeni | Ndi, Cr, Mo, N | Aloyi 625, Aloyi 718 | Amaphatikiza mphamvu zambiri (kuchokera kuuma kwa mvula) ndi dzimbiri komanso kukana kwa okosijeni. Amagwiritsidwa ntchito muzamlengalenga, Chemical, ndi Marine engineering. |