Phofo ea Vanadium Carbide, VC

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Phofo ea Vanadium Carbide, VC

na le botsitso bo botle ba lik'hemik'hale le ts'ebetso e phahameng ea mocheso E sebelisoa filiming e thata, sepheo, lisebelisoa tsa ho tjheseletsa, ho fafatsa, lisebelisoa tsa ho itšeha, indasteri ea tšepe, sepakapaka le likarolo tse ling. E le tšepe ceramic le tungsten thehiloeng carbide motsoako poone ntlafatso ea lijo-thollo, ka haholo ntlafatsa tshebetso motsoako


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Morero oa limolek'hule  VC
Khoutu ea CAS  12070-10-9
Mekhoa  phofo e ntšo e putsoa
Qhibiliha  2800'C
Ho teteana  5. 41g / cm3
Sebelisa  na le botsitso bo botle ba lik'hemik'hale le ts'ebetso e phahameng ea mocheso E sebelisoa filiming e thata, sepheo, lisebelisoa tsa ho tjheseletsa, ho fafatsa, lisebelisoa tsa ho itšeha, indasteri ea tšepe, erospace le likarolo tse ling. Ha e le moemeli oa ntlafatso ea tšepe ea letsopa le ea tungsten e thehiloeng ho tungsten, e ka ntlafatsa ts'ebetso ea alloy haholo.

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Vanadium Carbide
CAS: 12070-10-9; 11130-21-5
EINECS: 235-122-5
Morero oa limolek'hule: VC
Boima ba 'mele: 62.95
Matlotlo: Vanadium carbide ke phofo ea tšepe e bohlooho e nang le 19.08% ea carbon (boima),

ea tsamaiso ea sodium chloride cubic crystal.
Boikarabello (g / mL, 25 ℃): 5.77
Boima ba mouoane bo lekanyelitsoeng (g / mL, moea = 1): ha ea khethoa
Qhibiliha ntlha (℃): 2810
Boiling ntlha (℃, khatello ea sepakapakeng): 3900
Sebopeho sa
Tsitsitseng tlas'a mocheso tloaelehileng le khatello. Qoba oxide ea lintho tse bonahalang. Micro Vickers thatafala (mojaro 50g) 2944kg / mm, e na le ntlha e qhibilihang e phahameng (2830 ℃). E ka sebelisoa e le mohloekisi oa lijo-thollo ka motsoako o thata, sesebelisoa sa ho itšeha le indasteri ea ho etsa litšepe, eo ho hlakileng e ka ntlafatsang litšobotsi tsa alloy.
E sebelisetsoa ho seha motsoako o thata, e hlahisang filimi e sa keneleng liaparo le filimi ea semiconductor.
Vanadium carbide e nang le thatafalo e phahameng, ntlha e qhibilihisang le matla a phahameng a mocheso le litšobotsi tse ling tse akaretsang tsa phetoho ea tšepe ea tšepe, hammoho le ho khanna hantle le ho futhumatsa ha mocheso, ka hona tšepe ea tšepe le tšepe, alloy e thata, lihlahisoa tsa elektroniki, li-catalyst le thepa e koahelang mocheso o phahameng le masimo a mang a na le lits'ebetso tse fapaneng. Ho tlalehiloe lingoliloeng hore botsitso ba thermodynamic ea carbide inhibitors e khethollang phello ea thibelo, mme taelo ea thibelo ke VC> Mo2C> Cr3C2> NbC> TaC> TiC> ZrC. Ho eketsoa ha vanadium carbide ho ka sebelisoa e le mohato o thata ho ntlafatsa thata le bophelo ba carbide e tiisitsoeng, le ho fokotsa matla a khoheli, matla a khoheli, matla a khoheli, sehlahisoa sa matla a khoheli, ho kenella ha matla a khoheli le mocheso oa Curie oa carbide e tiisitsoeng ho hlahisa motsoako o sa sebeliseng matla a khoheli.
Ka ts'ebeliso e ntseng e eketseha ea carbide e nang le samente ka libetsa le lisebelisoa tsa theknoloji e phahameng, mahlale a mahlale le mahlale a morao-rao le matla a nyutlelie, ho hlokahala ho ntlafatsa ts'ebetso ea alloy ea WC. Tsela e molemohali ke ho hloekisa lijo-thollo tsa eona le ho hlophisa carbide e entsoeng ka samente e entsoeng ka samente. Bakeng sa nanometer e tiisitsoeng ka carbide powder, kholo ea lijo-thollo e etsahala ha e sintered ka 1 150 ℃. Haeba mocheso oa ho thibela oa inhibitor o phahame, ha ho thata feela ho bapala karolo ea thibelo, empa e bile e mpefatsa ts'ebetso ea carbide e samente. Ka hona, tlhoko ea li-inhibitors tsa nano-lijo-thollo e potlakile le ho feta, 'me ho hlophisoa ha phofo ea nano-vanadium carbide ho hohetse tlhokomelo ea bafuputsi ba bangata. Ha kamano ea khabone le oksijene e ntse e eketseha ka keketseho ea mocheso, 'me kamano ea tšepe e fapaneng le oksijene e fokotseha ka keketseho ea mocheso, tšepe e lekanang kapa carbide e ka lokisoa ka oxide ea phokotso ea khabone mocheso o phahameng. Phokotso ea k'habone ea lihlahisoa tsa mantlha tsa CO, CO2, e ka felisa sehlahisoa ka ts'ebetso e ngoe ea litšila. Ka hona, mokhoa oa phokotso ea carbothermal o na le litšobotsi tsa ts'ebetso e bonolo, ho fumaneha habonolo ha thepa e tala, ho pheta-pheta hantle joalo-joalo, mme o na le boleng bo phahameng bo sebetsang.

【Kopo】
Vanadium carbide e nang le thatafalo e phahameng, ntlha e qhibilihisang le matla a phahameng a mocheso le litšobotsi tse ling tse akaretsang tsa phetoho ea tšepe ea tšepe, hammoho le ho khanna hantle ha motlakase le mocheso, ka hona tšepe ea tšepe le tšepe, alloy e thata, lihlahisoa tsa elektroniki, li-catalysts le thepa e koahelang mocheso o phahameng le masimo a mang a na le lits'ebetso tse fapaneng. Har'a tsona, vanadium carbide e ka kenyelletsoa ka tšepe ho ntlafatsa litšobotsi tse felletseng tsa tšepe tse joalo ka ts'ireletso ea ts'ireletso, ts'enyeho ea ts'enyeho, ho thatafala, matla, ductility, thatafalo le mokhathala o chesang oa mokhathala, 'me e ka sebelisoa e le seaparo se sa keneng kahare ho itšeha ka mokhoa o fapaneng. rwala didirisiwa tse di palelang. Ho feta moo, vanadium carbide e le sethothetsi se secha e sebelisitsoe haholo ka lebaka la ts'ebetso ea eona e phahameng, boikhethelo, botsitso le ho hanyetsa "chefu e kenyang" liphellong tsa hydrocarbon. Ntle le moo, vanadium carbide e ka sebelisoa joalo ka mohloli o mocha oa khabone ho etsa taemane. Karolo ea bohlokoahali ea vanadium carbide e lokela ho sebelisoa joalo ka sethibela-lijo-thollo tšimong ea carbide e nang le samente le li-cermets, tse ka thibelang kholo ea lithollo tsa WC nakong ea ho sintering.

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