Alloy e thehiloeng ho Nickel e Kentsoe le Passivation Featured Image

Alloy e thehiloeng ho Nickel e sebelisitsoeng ka Passivation

Tlhaloso e Khutšoanyane:

Mabapi le Li-Alloys tse thehiloeng ho Nickel

Li-alloys tse thehiloeng ho nickel li boetse li bitsoa li-superalloys tse thehiloeng ho ni-based ka lebaka la matla a tsona a ikhethang, ho hanyetsa mocheso le ho hanyetsa ho bola.Sebopeho sa kristale se shebaneng le sefahleho ke tšobotsi e ikhethang ea li-alloys tse thehiloeng ho nickel kaha nickel e sebetsa e le stabilizer bakeng sa austenite.

Likarolo tse tloaelehileng tsa lik'hemik'hale ho li-alloys tse thehiloeng ho nickel ke chromium, cobalt, molybdenum, tšepe le tungsten.

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Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Mefuta e Tloaelehileng ea Nickel Alloys

Nickel e tla kopana habonolo ka litšepe tse ngata tse kang koporo, chromium, tšepe le molybdenum.Ho eketsoa ha nickel ho lirafshoa tse ling ho fetola thepa ea motsoako o hlahisoang 'me e ka sebelisoa ho hlahisa litšobotsi tse lakatsehang tse kang ho ntlafatsoa ha kutu kapa ho hanyetsa oxidation, ho eketsa ts'ebetso ea mocheso o phahameng, kapa li-coefficients tse fokolang tsa ho atolosa mocheso, mohlala.

Likarolo tse ka tlase li fana ka tlhahisoleseling mabapi le mofuta o mong le o mong oa mefuta ena ea li-alloys tsa nickel.

Lisebelisoa tsa Nickel-Iron

Li-alloys tsa nickel-iron li sebetsa lits'ebetsong moo thepa e lakatsehang e leng sekhahla se tlase sa katoloso ea mocheso.Invar 36®, e boetse e rekisoa ka mabitso a khoebo a Nilo 6® kapa Pernifer 6®, e bonts'a coefficient ea katoloso ea mocheso e ka bang 1/10 ea carbon steel.Boemo bona bo phahameng ba botsitso bo etsa hore li-alloys tsa nickel-aron li sebelisoe lits'ebetsong tse joalo ka lisebelisoa tsa ho metha ka nepo kapa lithupa tsa thermostat.Li-alloys tse ling tsa nickel-iron tse nang le nickel e kholo le ho feta li sebelisoa lits'ebetsong moo thepa e bonolo ea makenete e leng bohlokoa, joalo ka li-transformer, li-inductors kapa lisebelisoa tsa polokelo ea memori.

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Lisebelisoa tsa Nickel-Copper

Li-alloys tsa nickel-copper li hanana haholo le ho bola ke metsi a letsoai kapa metsi a leoatle, kahoo li fumana ts'ebetso lits'ebetsong tsa leoatle.E le mohlala, Monel 400®, eo hape e rekisoang tlas'a mabitso a khoebo a Nickelvac® 400 kapa Nicorros® 400, e ka fumana ts'ebetso ho lipeipi tsa marine, li-pump shafts le li-valve tsa metsi a leoatle.Alloy ena e le bonyane mahloriso a 63% nickel le 28-34% koporo.

Lisebelisoa tsa Nickel-Molybdenum

Li-alloys tsa nickel-molybdenum li fana ka khanyetso e phahameng ea lik'hemik'hale ho li-acid tse matla le tse ling tse fokotsang tse kang hydrochloric acid, hydrogen chloride, sulfuric acid le phosphoric acid.Motsoako oa lik'hemik'hale bakeng sa motsoako oa mofuta ona, joalo ka Alloy B-2®, o na le molybdenum ea 29-30% le motsoako oa nickel pakeng tsa 66-74%.Likopo li kenyelletsa lipompo le li-valve, li-gaskets, likepe tsa khatello, lisebelisoa tsa mocheso le lihlahisoa tsa liphaephe.

Lisebelisoa tsa Nickel-Chromium

Li-alloys tsa Nickel-chromium li ratoa ka lebaka la ho hanyetsa ha tsona ho hoholo, matla a mocheso o phahameng, le ho hanyetsa motlakase o phahameng.Mohlala, alloy NiCr 70/30, e boetse e khethiloe e le Ni70Cr30, Nikrothal 70, Resistohm 70, le X30H70 e na le ntlha e qhibilihang ea 1380oC le resistivity ea motlakase ea 1.18 μΩ-m.Lintho tse futhumatsang tse kang li-toaster le licheso tse ling tse thibelang motlakase li sebelisa li-alloys tsa nickel-chromium.Ha li hlahisoa ka mokhoa oa terata li tsejoa e le Nichrome® wire.

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