Vanadium Carbide Hmoov, VC

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Vanadium Carbide Hmoov, VC

muaj cov tshuaj lom neeg ruaj khov thiab kev ua haujlwm siab kub Siv rau hauv zaj duab xis nyuaj, lub hom phiaj, cov ntaub ntawv vuam, txau, cov cuab yeej txiav, kev lag luam steel, aerospace thiab lwm cov teb. Raws li cov hlau ua ceramic thiab tungsten-based carbide alloy lis kho kom zoo nkauj neeg sawv cev, tuaj yeem txhim kho qhov kev ua haujlwm ntawm alloy


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Cov mis mos molecular  VC
CAS Code  12070-10-9
Nta  txho dub hmoov
Melting taw tes  2800'C
Yog ceev  5. 41g / cm3
Kev Siv  muaj cov tshuaj lom neeg zoo thiab lub siab kub ua hauj lwm Siv cov yeeb yaj kiab inhard, lub hom phiaj, cov ntaub ntawv vuam, tshuaj tsuag, cov cuab yeej txiav, kev lag luam steel, erospace thiab lwm cov teb. Raws li cov hlau ua ceramic thiab tungsten-based carbide alloygrain refinement agent, tuaj yeem txhim kho qhov kev ua haujlwm ntawm alloy

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Vanadium Carbide
CAS: 12070-10-9; 11130-21-5
EINECS: 235-122-5
Cov mis mos cov qauv: VC
Molecular phaus: 62.95
Cov Khoom Muag: Vanadium carbide yog grey nws yog xim hmoov muaj 19.08% carbon (huab hwm coj),

teej tug rau sodium chloride cubic siv lead ua system.
Qhov ceev (g / mL, 25 ℃): 5.77
Tus txheeb ze vapor ceev (g / mL, cua = 1): tsis tau txiav txim siab
Melting point (℃): 2810
Boiling point (℃, atmospheric siab): 3900
Qhov xwm ntawm tus
Ruaj nyob rau hauv ib txwm kub thiab siab. Avoided cov khoom siv oxides. Micro Vickers hardness (load 50g) 2944kg / hli, muaj lub siab tawg (2830 ℃) .use Nws tuaj yeem siv los ua cov lis txhab roj hauv cov tawv tawv, txiav cov cuab yeej thiab cov kev lag luam steelmaking, uas tuaj yeem pom tseeb txhim kho cov khoom ntawm alloy.
Siv rau kev txiav cov khoom sib zog, ua rau hnav - tiv thaiv zaj duab xis thiab semiconductor zaj duab xis.
Vanadium carbide nrog lub siab hardness, melting taw tes thiab siab kub lub zog thiab lwm yam ntxwv ntawm kev hloov hlau carbide, nrog rau kev coj zoo thiab thermal conductivity, yog li hauv cov hlau thiab hlau metallurgy, lub zog tawv, cov khoom siv hluav taws xob, catalysts thiab cov khoom kub txheej txheej thiab lwm cov liaj teb muaj ntau yam kev siv. Nws tau qhia nyob rau hauv cov ntaub ntawv hais tias thermodynamic ruaj khov ntawm ntau cov carbide inhibitors txiav txim siab qhov cuam tshuam inhibitory, thiab cov nyhuv inhibitory yog VC> Mo2C> Cr3C2> NbC> TaC> TiC> ZrC. Qhov ntxiv ntawm vanadium carbide kuj tseem siv tau los ua cov theem nyuaj los txhim kho lub zog thiab lub neej ntawm cemented carbide, thiab txo qis lub zog ntawm kev sib txuam, kev nco qab, sib zog sib nqus, lub zog sib nqus khoom, sib nqus permeability thiab Curie kub ntawm cemented carbide los tsim tsis-hlau nplaum sib nqus.
Nrog rau daim ntawv thov nce ntawm cemented carbide nyob rau hauv cov cuab yeej hluav taws xob qib siab thiab khoom siv, kev txiav txim siab science thiab thev naus laus zis thiab lub zog nuclear, nws yog qhov tsim nyog los txuas ntxiv rau kev ua haujlwm ntawm WC alloy. Txoj kev zoo tshaj plaws yog qhov ua kom zoo dua nws cov nplej thiab npaj ultrafine lossis txawm tias nanostructured cemented carbide. Rau lub nanometer cemented carbide hmoov, cov nplej loj hlob tshwm sim thaum sintered ntawm 1 150 ℃. Yog hais tias kev rov qab kub ntawm lub qhov txwv tsis pub muaj siab, nws tsis yog qhov nyuaj xwb los ua lub luag hauj lwm inhibitory, tab sis kuj tseem ua kom cov kev ua tau zoo ntawm cemented carbide. Yog li no, qhov xav tau ntawm nano-grain inhibitors muaj ntau dua thiab ntau dua sai sai, thiab kev npaj ntawm nano-vanadium carbide hmoov tau nyiam cov neeg nyiam tshawb nrhiav ntau yam. Raws li kev sib raug zoo ntawm carbon mus rau oxygen nce nrog qhov nce ntawm qhov kub thiab txias, thiab kev sib raug zoo ntawm ntau yam hlau ua rau oxygen poob qis nrog qhov nce ntawm qhov kub, qhov sib xyaw hlau lossis carbide tuaj yeem npaj los ntawm carbon txo oxide ntawm qhov kub. Cov pa roj carbon txo ntawm cov khoom tseem ceeb rau CO, CO2, tuaj yeem tshem tawm cov khoom los ntawm lwm qhov ua kom tsis muaj kuab paug paug. Yog li ntawd, cov carbothermal txo txoj kev muaj cov yam ntxwv ntawm cov txheej txheem yooj yim, muaj peev xwm yooj yim ntawm cov ntaub ntawv nyoos, rov ua dua zoo thiab lwm yam, thiab muaj cov txiaj ntsig zoo.

Daim ntawv thov】
Vanadium carbide nrog lub siab tawv, melting taw tes thiab siab kub lub zog thiab lwm yam ntxwv ntawm kev hloov hlau carbide, zoo li hluav taws xob thiab thermal conductivity, yog li hauv cov hlau thiab hlau metallurgy, lub zog tawv, cov khoom siv hluav taws xob, catalysts thiab cov khoom kub txheej txheej thiab lwm cov liaj teb muaj ntau yam kev siv. Ntawm lawv, vanadium carbide tuaj yeem raug ntxiv rau cov hlau los txhim kho cov khoom sib txawv ntawm cov hlau xws li hnav tsis kam, tiv thaiv corrosion, tawv, lub zog, ductility, hardness thiab thermal qaug zog tsis kam, thiab tuaj yeem siv los ua cov khoom siv tiv thaiv hauv kev txiav txim siab sib txawv thiab hnav cov cuab yeej tiv taus. Tsis tas li ntawd, vanadium carbide ua cov tshiab catalyst tau siv dav vim nws txoj haujlwm siab, kev xaiv, kev ruaj khov thiab tsis kam mus rau "catalyst lom" hauv kev cuam tshuam hydrocarbon. Ntxiv rau, vanadium carbide kuj tseem siv tau cov pa roj carbon monoxide tshiab los ua ke cov pob zeb diamond. Lub luag haujlwm tseem ceeb tshaj plaws ntawm vanadium carbide yog siv los ua cov tshuaj cog qoob loo rau thaj teb cov roj av cemented carbide thiab cermets, uas tuaj yeem tiv thaiv kev loj hlob ntawm WC nplej hauv cov txheej txheem sintering.

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