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Niobium Carbide NbC |Tantalum Carbide TAC

Kev piav qhia

Niobium Carbide NbC,Lub teeb xim av hmoov, nrog sodium chloride hom cubic crystal system, melting point 3490 ° C, boiling point 4300 ° C, ceev 7.56g / cm3, yog insoluble hauv dej thiab inorganic acid, tab sis soluble nyob rau hauv cov kua qaub sib xyaw ntawm hydrofluoric acid thiab nitric acid thiab tuaj yeem decomposed.Niobium Carbide tsis tuaj yeem tsuas yog siv los ua cov tshuaj ntxiv los tiv thaiv kev loj hlob ntawm cov nplej nplej kom nplua cov cemented carbide crystalline nplej hauv kev tsim cov cemented carbide, tab sis kuj tsim rau theem thib peb dispersed nrog lwm cov carbides tshwj tsis yog WC thiab Co, uas tuaj yeem txhim kho tau zoo. Lub thermal hardness, thermal shock kuj, kub nias kuj thiab oxidation kuj ntawm cemented carbide.Nrog rau qhov zoo ntawm kev txhim kho hardness thiab tawg toughness ntawm cov hlau, nws tuaj yeem siv los npaj cov khoom siv cemented carbide nrog kev ua haujlwm zoo heev.Tsis tas li ntawd, ua cov ntsiab lus melting ntau dua, siab hardness thiab tshuaj ruaj khov, NbC kuj tseem siv los ua cov khoom siv kub kub thiab cov tshuaj tsuag txheej hauv kev lag luam aerospace. 

Kev xa khoom

Niobium Carbide NbC thiab Tantalum Carbide TaC ntawm Western Minmetals (SC) Corporation tuaj yeem xa cov hmoov loj 0.5-500 micron lossis 5-400 mesh lossis raws li kev cai tshwj xeeb, pob ntawm 25kg, 50kg hauv hnab yas nrog lub nruas sab nraud.

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Technical Specification

Niobium Carbide

Tantalum Carbide

Niobium Carbide NbCthiabTantalum Carbide TACntawm Western Minmetals (SC) Corporation tuaj yeem xa cov hmoov loj 0.5-500 micron lossis 5-400 mesh lossis raws li kev cai tshwj xeeb, pob ntawm 25kg, 50kg hauv hnab yas nrog lub nruas sab nraud.

Niobium carbide  (8)

Tsis muaj. Yam khoom Txheem Specification
1 Cov khoom Cr3C2 NbC TaC TiC VC ZrC HfC
2 Cov ntsiab lus % Tag nrho C ≥ 12.8 ib 11.1 6.2 19.1 ib 17.7 ib 11.2 6.15
Dawb C ≤ 0.3 0.15 0.1 0.3 0.5 0.5 0.3
3 Tshuaj

impurity

PCT Max txhua

O 0.7 ua 0.3 0.15 0.5 0.5 0.5 0.5
N 0.1 0.02 ib 0.02 ib 0.02 ib 0.1 0.05 Nws 0.05 Nws
Fe 0.08 ib 0.05 Nws 0.05 Nws 0.05 Nws 0.05 Nws 0.05 Nws 0.05 Nws
Si 0.04 ib 0.01 ib 0.01 ib 0.02 ib 0.01 ib 0.005 ib 0.005 ib
Ca - 0.005 ib 0.01 ib 0.01 ib 0.01 ib 0.05 Nws 0.05 Nws
K 0.005 ib 0.005 ib 0.005 ib 0.005 ib 0.005 ib 0.005 ib 0.005 ib
Na 0.005 ib 0.005 ib 0.005 ib 0.01 ib 0.01 ib 0.005 ib 0.005 ib
Nb 0.01 ib - 0.01 ib 0.01 ib 0.01 ib 0.005 ib 0.005 ib
Al - 0.005 ib 0.01 ib - - - -
S 0.03 ib - - - - - -
4 Loj 0.5-500micron lossis 5-400mesh lossis raws li kev cai
5 Ntim 2kgs hauv lub hnab sib xyaw nrog lub nruas sab nraud, 25kgs net

Tantalum Carbide TAC, xim av xim hmoov, cubic siv lead ua qauv ntawm sodium chloride hom, molecular hnyav 192.96, ntom 14.3g / cm3, melting point 3880 ° C, boiling point 5500 ° C, yog insoluble nyob rau hauv dej thiab inorganic acids, thiab yuav yaj nyob rau hauv cov sib tov ntawm hydrofluoric acid thiab nitric acid thiab decompose.Tantalum Carbide plays lub luag haujlwm tseem ceeb hauv inhibiting grain loj hlob thiab txhim kho liab hardness thiab hnav tsis kam ntawm cov hlau, txhim kho oxidation kuj thiab corrosion kuj ntawm cov hlau thiab txhim kho cov qauv ntawm cov hlau.Nrog rau cov tshuaj lom neeg ruaj khov thiab kub siab ua cim, TaC yog ib qho tseem ceeb ntxiv rau nplua crystalline nplej ntawm WC rau cov cuab yeej txiav nrog zoo hardness zoo ib yam li pob zeb diamond.Nws tseem tuaj yeem muab kev tiv thaiv zoo rau qhov kub txog li 3880 ° C, thiab pom kev siv dav hauv cov teb xws li cov hlau tawv tawv, lub hom phiaj, cov khoom siv vuam, cermets, electronics, machinery thiab aviation kev lag luam.

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  • Cov qauv muaj raws li qhov kev thov
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Tantalum Carbide TaC Niobium Carbide NbC


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