Vanadium Carbide ufa, VC

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Vanadium Carbide ufa, VC

khalani ndi kukhazikika kwamankhwala komanso magwiridwe antchito otentha Ogwiritsidwa ntchito mufilimu yolimba, chandamale, zida zowotcherera, kupopera mbewu, zida zodulira, mafakitale azitsulo, malo othamangitsira malo ndi zina. Monga chitsulo ceramic ndi tungsten ofotokoza carbide aloyi tirigu yokonza wothandizila, akhoza kwambiri kusintha ntchito aloyi


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Njira yamagulu  VC
Code CAS  12070-10-9
Makhalidwe  ufa wakuda wakuda
Kusungunuka  2800'C
Kuchulukitsitsa  5. 41g / cm3
Ntchito  khalani ndi kukhazikika kwamankhwala komanso magwiridwe antchito otentha Ogwiritsa ntchito kanema wovuta, chandamale, zida zowotcherera, kupopera mbewu, zida zodulira, mafakitale azitsulo, erospace ndi magawo ena. Monga chitsulo cha ceramic ndi tungsten-based carbide alloygrain yokonzanso wothandizila, imatha kusintha magwiridwe antchito kwambiri

>> NKHANI

COA

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COA

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COA

>> Zokhudzana deta

Vanadium Carbide
CAS: 12070-10-9; 11130-21-5
EINECS: 235-122-5
Njira ya maselo: VC
Kulemera kwake: 62.95
Katundu: Vanadium carbide ndi ufa wachitsulo wakuda wokhala ndi 19.08% kaboni (misa),

a sodium kolorayidi kiyubiki kristalo dongosolo.
Kuchulukitsitsa (g / mL, 25 ℃): 5.77
Kuchuluka kwa nthunzi yachibale (g / mL, mpweya = 1): sinatsimikizike
Malo osungunuka (℃): 2810
Malo otentha (℃, kuthamanga kwakatundu): 3900
Chikhalidwe cha
Khola pansi pa kutentha kwanthawi zonse komanso kukakamizidwa. Kupewa okusayidi zakuthupi. Malimbidwe a Micro Vickers (katundu 50g) 2944kg / mm, ali ndi malo osungunuka kwambiri (2830 ℃). Angagwiritsidwe ntchito ngati woyenga tirigu mu aloyi wolimba, chida chodulira ndi mafakitale opanga zitsulo, omwe mwachiwonekere amatha kukonza mawonekedwe a aloyi.
Amagwiritsidwa ntchito pocheka aloyi wolimba, ndikupanga kanema wosagwira komanso kanema wa semiconductor.
Vanadium carbide yolimba kwambiri, malo osungunuka komanso kutentha kwambiri komanso mawonekedwe ena osintha a carbide wachitsulo, komanso mayendedwe abwino ndi matenthedwe otentha, kotero pazitsulo zachitsulo ndi chitsulo, aloyi wolimba, zinthu zamagetsi, zothandizira ndi zotenthetsera kutentha ndi madera ena ali ndi ntchito zosiyanasiyana. Zakhala zikunenedwa m'mabuku kuti kukhazikika kwa thermodynamic kwama carbide inhibitors kumapangitsa kuti munthu asatengere mphamvu, ndipo mphamvu yake yoletsa ndi VC> Mo2C> Cr3C2> NbC> TaC> TiC> ZrC. Kuphatikiza kwa vanadium carbide itha kugwiritsidwanso ntchito ngati gawo lolimba kuti lisinthe kuuma ndi moyo wa carbide wolimbitsa, ndikuchepetsa kukhathamiritsa kwamphamvu, kukonzanso, kukakamiza mphamvu yamaginito, maginito opangira mphamvu, maginito opumira ndi kutentha kwa Curie kwa carbide wolimba kuti apange aloyi osakhala maginito.
Ndi kugwiritsidwa ntchito kochulukirapo kwa simenti ya carbide mu zida ndi zida zapamwamba kwambiri, sayansi ndi ukadaulo wodula komanso mphamvu ya nyukiliya, ndikofunikira kupititsa patsogolo magwiridwe antchito a WC alloy. Njira yabwino ndikukhwimitsa tirigu ndikukonzekera ultrafine kapena nanostructured simenti carbide. Pa nanometer yolimbitsa carbide powder, kukula kwa tirigu kumachitika sintered pa 1 150 ℃. Ngati kutentha kwa mavitamini ndikokwera, sizovuta kusewera kokha, koma kumawonongera magwiridwe antchito a simenti carbide. Chifukwa chake, kufunikira kwa nano-grain inhibitors ndikofunika kwambiri, ndipo kukonzekera kwa nano-vanadium carbide powder kwachititsa chidwi kwa ofufuza ambiri. Momwe kuyandikana kwa kaboni ndi mpweya kumawonjezeka ndikuchuluka kwa kutentha, komanso kuyanjana kwazitsulo zosiyanasiyana ndi oxygen kumachepa ndikukula kwa kutentha, chitsulo chofananira kapena carbide imatha kukonzekera ndi oxide yochepetsera kaboni kutentha kwambiri. Kuchepetsa mpweya wazinthu zazikulu za CO, CO2, kumatha kuthetseratu malonda ndi zodetsa zina zowononga. Chifukwa chake, njira yochepetsera ma carbothermal ili ndi mawonekedwe a njira yosavuta, kupezeka kosavuta kwa zopangira, kubwereza kwabwino ndi zina zotero, ndipo ili ndi phindu lalikulu.

【Ntchito】
Vanadium carbide yolimba kwambiri, malo osungunuka komanso kutentha kwambiri komanso mawonekedwe ena amasinthidwe azitsulo, komanso magetsi komanso matenthedwe abwino, kotero pazitsulo zachitsulo ndi chitsulo, aloyi wolimba, zinthu zamagetsi, zothandizira ndi zotenthetsera kutentha ndi madera ena ali ndi ntchito zosiyanasiyana. Pakati pawo, vanadium carbide imatha kuwonjezeredwa kuzitsulo kuti zipangitse mawonekedwe azitsulo monga kukana kuvala, kutentha kwa dzimbiri, kulimba, mphamvu, ductility, kuuma ndi matenthedwe kukana kutopa, ndipo itha kugwiritsidwa ntchito ngati chovala chosagwira pocheka mosiyanasiyana komanso valani zida zosagwira. Kuphatikiza apo, vanadium carbide ngati chothandizira chatsopano chakhala chikugwiritsidwa ntchito kwambiri chifukwa chantchito yake yayikulu, kusankha, kukhazikika komanso kukana "chothandizira poyizoni" pama hydrocarbon reaction. Kuphatikiza apo, vanadium carbide itha kugwiritsidwanso ntchito ngati mpweya watsopano wopangira diamondi. Udindo wofunikira kwambiri wa vanadium carbide uyenera kugwiritsidwa ntchito ngati choletsa tirigu m'munda wa carbide wokhala ndi simenti ndi ma cermets, omwe angateteze kukula kwa mbewu za WC munthawi ya sintering.

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