Molybdenum:

• Ke ntho e etsahalang ka tlhaho e ileng ea khetholloa ka 1778 ke Carl Wilhelm Scheele, rasaense oa Sweden ea ileng a sibolla oksijene moeeng.
• E na le e 'ngoe ea libaka tse phahameng ka ho fetisisa tse qhibilihang ho feta likarolo tsohle empa boima ba eona ke 25% feela ea tšepe e kholoanyane.
• E fumaneha ka har'a ores e fapaneng, empa ke molybdenite feela (MoS2) e sebelisoang tlhahiso ea lihlahisoa tse rekisoang tsa molybdenum.
• E na le coefficient e tlase haholo ea katoloso ea mocheso oa thepa efe kapa efe ea boenjiniere.

E tsoa hokae:

• Merafo ea mantlha ea molybdenum e fumaneha Canada, USA, Mexico, Peru le Chile. Ka 2008, sebaka sa polokelo ea tšepe se ile sa etsa kakaretso ea lithane tse 19,000,000 (mohloli: US Geological Survey). China e na le mehloli e meholo ka ho fetisisa e lateloang ke USA le Chile.
• Molybdenite e ka hlaha e le eona feela mineralization 'meleng oa ore, empa hangata e amahanngoa le liminerale tsa sulfide tsa litšepe tse ling, haholo koporo.

E sebetsoa joang:

• Ore e epiloeng e a pshatleha, ea siloa, e kopantsoe le mokelikeli 'me e tšeloa moea ka mokhoa oa ho phaphamala ho arola liminerale tsa tšepe ho tloha lefikeng.
• Sephetho sa concentrate se na le lipakeng tsa 85% le 92% e sebelisoang indastering ea molybdenum disulfide (MoS2). Ho halika sena moeeng ho 500 ho isa ho 650 °C ho hlahisa molybdenite concentrate e halikiloeng kapa RMC (Mo03), e tsejoang hape e le technical Mo oxide kapa tech oxide. Hoo e ka bang 40 ho isa ho 50% ea molybdenum e sebelisoa ka mokhoa ona, haholo-holo e le motsoako oa motsoako lihlahisoa tsa tšepe.
• 30-40% ea tlhahiso ea RMC e sebetsoa ka ferromolybdenum (FeMo) ka ho e kopanya le iron oxide le ho fokotsa ka ferrosilicon le aluminium ka karabelo ea thermite. Li-ingots tse hlahisoang li siloa ebe lia hlahlojoa ho hlahisa boholo bo lakatsehang ba karoloana ea FeMo.
• Hoo e ka bang 20% ​​ea RMC e hlahisoang lefatšeng ka bophara e etsoa lihlahisoa tse ngata tsa lik'hemik'hale tse kang pure molybdic oxide (Mo03) le molybdates. Tharollo ea ammonium molybdate e ka fetoloa ho palo efe kapa efe ea lihlahisoa tsa molybdate mme ts'ebetso e tsoelang pele ka calcinations e hlahisa molybdenum trioxide e hloekileng.
• Molybdenum metal e hlahisoa ke mehato e 'meli ea ho fokotsa hydrogen ho fana ka phofo e hloekileng ea molybdenum.

E sebelisetsoa eng:

• Hoo e ka bang karolo ea 20 lekholong ea molybdenum e ncha, e hlahisoang ka ore e epiloeng e sebelisetsoa ho etsa tšepe e sa hloekang ea molybdenum-grade.
• Litšepe tsa boenjiniere, lisebelisoa le tšepe ea lebelo le phahameng, tšepe e entsoeng ka tšepe le li-superalloy ka kakaretso li etsa karolo ea 60% ea tšebeliso ea molybdenum.
• 20% e setseng e sebelisoa lihlahisoa tse ntlafalitsoeng joalo ka lubricant grade molybdenum disulfide (MoS2), metsoako ea lik'hemik'hale ea molybdenum le tšepe ea molybdenum.

Melemo le tšebeliso ea lintho tse bonahalang:

Ts'epe e sa beng le mabali

• Molybdenum e ntlafatsa ho hanyetsa kutu le matla a mocheso o phahameng oa litšepe tsohle tse se nang tšepe. E na le phello e matla haholo ho thibela ho bola ha likoti le li-crevice ka har'a litharollo tse nang le chloride, e etsa hore e be ea bohlokoa lits'ebetsong tsa lik'hemik'hale le tse ling tsa ts'ebetso.
• Litšepe tse sa jeleng tse nang le molybdenum li hanyetsana le ho bola 'me li sebelisoa hangata ho tsa meaho, meahong le kahong, li fana ka meralo e bonolo haholo le bophelo bo atolositsoeng ba moralo.
• Mefuta e mengata ea lihlahisoa e etsoa ka tšepe e sa hloekang e nang le molybdenum bakeng sa tšireletso e eketsehileng khahlanong le ho bola, ho kenyelletsa le likarolo tsa mohaho, marulelo, marako a likharetene, li-handrails, li-liner tsa letamo la ho sesa, mamati, lisebelisoa tse khanyang le li-sunscreens.

Li-Superalloys

Tsena li kenyelletsa li-alloys tse hanyetsanang le kutu le li-alloys tse phahameng tsa mocheso:

• Li-alloys tse thehiloeng ho nickel tse hananang le ho bola tse nang le molybdenum li sebelisoa lits'ebetsong tse pepesehileng tikolohong e senyang haholo mefuteng e mengata ea liindasteri le lits'ebetso, ho kenyeletsoa le likarolo tsa desulfurization ea gase ea flue e sebelisoang ho tlosa sebabole ho tsoa mesing ea liteishene tsa motlakase.
• Li-alloys tse phahameng tsa mocheso li na le tharollo e tiileng e matlafalitsoeng, e fanang ka ho hanyetsa tšenyo e bakiloeng ke mocheso o phahameng oa mocheso, kapa lilemo-hardenable, tse fanang ka matla a eketsehileng ntle le ho fokotsa ductility haholo 'me li sebetsa haholo ho fokotsa coefficient ea katoloso ea mocheso.

Litšepe tsa alloy

• Palo e nyane feela ea molybdenum e ntlafatsa ho thatafala, e fokotsa ho halefa le ho matlafatsa ho hanyetsa tlhaselo ea haedrojene le khatello ea maikutlo ea sulfide.
• Molybdenum e ekelitsoeng e boetse e eketsa matla a mocheso o phahameng le ho ntlafatsa ho cheseha, haholo-holo ka litšepe tse matla tse tlase tsa alloy (HSLA). Litšepe tsena tse phahameng tsa ts'ebetso li sebelisoa mefuteng e sa tšoaneng, ho tloha likoloing tse bobebe ho ea ho katleho e ntlafetseng mehahong, liphaephe le marokho, ho boloka bobeli ba bongata ba tšepe e hlokahalang le matla le mesi e amanang le tlhahiso ea eona, lipalangoang le masela.

Lisebelisoa tse ling

Mehlala e khethehileng ea tšebeliso ea molybdenum e kenyelletsa:

• Li-alloys tse thehiloeng ho molybdenum, tse nang le matla a babatsehang le botsitso ba mochine mochesong o phahameng (ho fihlela ho 1900 ° C) libakeng tse se nang oxidizing kapa vacuum. Ductility ea bona e phahameng le ho tiea ho fana ka mamello e kholo bakeng sa ho se phethahale le ho robeha ha brittle ho feta lirafshoa.
• Li-alloys tsa Molybdenum-tungsten, tse tsebahalang ka ho hanyetsa ka tsela e ikhethang ho zinki e qhibilihisitsoeng
• Molybdenum-25% rhenium alloys, e sebelisetsoang likarolo tsa enjine ea rocket le li-exchanger tsa mocheso oa tšepe tse metsi tse tlamehang ho ba ductile mocheso oa kamore.
• Molybdenum e apereng koporo, bakeng sa ho etsa katoloso e tlase, liboto tse phahameng tsa conductivity tsa elektronike
• Molybdenum oxide, e sebelisoang tlhahisong ea li-catalysts bakeng sa indasteri ea petrochemical le ea lik'hemik'hale, e sebelisoang haholo ho hloekisoa ha oli e tala ho fokotsa sebabole sa lihlahisoa tse hloekisitsoeng.
• Lihlahisoa tsa lik'hemik'hale tsa molybdenum tse sebelisoang ho kopanya polymer, corrosion inhibitors le li-lubricant formulations tse sebetsang hantle haholo.