Aloyi yochokera ku Nickel Yogwiritsidwa Ntchito ndi Chithunzi cha Passivation Featured

Aloyi ya Nickel Yogwiritsidwa Ntchito ndi Passivation

Kufotokozera Kwachidule:

Za Nickel-based Alloys

Ma alloys opangidwa ndi nickel amatchedwanso ni-based superalloys chifukwa champhamvu zawo, kukana kutentha komanso kukana dzimbiri.Maonekedwe a kristalo omwe ali ndi nkhope ndi mawonekedwe apadera a ni-based alloys popeza nickel imagwira ntchito ngati stabilizer ya austenite.

Zinthu zowonjezera zowonjezera pazitsulo zopangidwa ndi nickel ndi chromium, cobalt, molybdenum, iron ndi tungsten.

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Mitundu Yodziwika ya Nickel Alloys

Nickel imapangidwa mosavuta ndi zitsulo zambiri monga mkuwa, chromium, chitsulo, ndi molybdenum.Kuphatikizika kwa faifi tambala ku zitsulo zina kumasintha zinthu za aloyi zomwe zimachokera ndipo zitha kugwiritsidwa ntchito kupanga mawonekedwe omwe amafunidwa monga kukhazikika kwa dzimbiri kapena kukana kwa okosijeni, kuchuluka kwa kutentha kwapamwamba, kapena kutsika kwamphamvu kwamafuta, mwachitsanzo.

Magawo omwe ali m'munsiwa akuwonetsa zambiri zamtundu uliwonse wa nickel alloys.

Nickel-Iron Aloyi

Nickel-iron alloys amagwira ntchito pomwe malo ofunikira amakhala otsika kwambiri pakukulitsa kwamafuta.Invar 36®, yomwe imagulitsidwanso ndi mayina amalonda a Nilo 6® kapena Pernifer 6®, ikuwonetsa kuchuluka kwa kutentha komwe kuli pafupifupi 1/10 ya carbon steel.Kukhazikika kwapamwamba kumeneku kumapangitsa kuti ma aloyi achitsulo-nickel akhale othandiza pakugwiritsa ntchito ngati zida zoyezera mwatsatanetsatane kapena ndodo za thermostat.Ma aloyi ena a nickel-iron okhala ndi nickel wochulukira kwambiri amagwiritsidwa ntchito m'malo omwe zinthu zofewa za maginito ndizofunikira, monga ma transformer, inductors, kapena zida zosungira kukumbukira.

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Nickel-Copper Alloys

Ma aloyi a nickel-copper amalimbana kwambiri ndi dzimbiri ndi madzi amchere kapena madzi a m'nyanja motero amagwiritsidwa ntchito m'madzi am'madzi.Mwachitsanzo, Monel 400®, yomwe imagulitsidwanso pansi pa mayina amalonda a Nickelvac® 400 kapena Nicorros® 400, ingapeze ntchito m'mapaipi amadzi am'madzi, mapaipi, ndi ma valve amadzi a m'nyanja.Aloyi izi ngati ndende osachepera 63% faifi tambala ndi 28-34% mkuwa.

Nickel-Molybdenum Aloyi

Ma aloyi a Nickel-molybdenum amapereka kukana kwamankhwala kwambiri ku ma asidi amphamvu ndi zochepetsera zina monga hydrochloric acid, hydrogen chloride, sulfuric acid, ndi phosphoric acid.Mankhwala opangidwa ndi aloyi amtundu uwu, monga Aloyi B-2®, ali ndi molybdenum 29-30% ndi nickel ndende ya 66-74%.Ntchito zimaphatikizapo mapampu ndi ma valve, ma gaskets, zotengera zokakamiza, zosinthira kutentha, ndi zida zamapaipi.

Nickel-Chromium Aloyi

Ma aloyi a Nickel-chromium ndi amtengo wapatali chifukwa cha kukana kwawo kwa dzimbiri, mphamvu zotentha kwambiri, komanso kukana kwamagetsi kwambiri.Mwachitsanzo, aloyi ya NiCr 70/30, yomwe imatchedwanso Ni70Cr30, Nikrothal 70, Resistohm 70, ndi X30H70 ili ndi malo osungunuka a 1380oC ndi resistivity yamagetsi ya 1.18 μΩ-m.Zinthu zotenthetsera monga mu toaster ndi zotenthetsera zina zamagetsi zimagwiritsa ntchito nickel-chromium alloys.Akapangidwa mu mawonekedwe a waya amadziwika kuti Nichrome® waya.

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