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Tantalum Hafnium Carbide (Ta4HfC5)

4TaC-HfC is the compound with the highest melting point currently known. It is a solid solution composed of a binary compound of tantalum carbide (melting point 3983 ℃) and hafnium carbide (melting point 3928℃), which is used in the field of ultra-high temperature cermets.
Molecular formula:Ta4HfC5
APS(D50):customized
Purity(%):>99.0
Melting point:3990℃
Colour:black
O (%):≤0.5
CAS NO.:12012-58-7
EINECS (EC NO.):275-291-2
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Tantalum Hafnium Carbide
Product Description
4TaC-HfC is the compound with the highest melting point currently known. It is a solid solution composed of a binary compound of tantalum carbide (melting point 3983 ℃) and hafnium carbide (melting point 3928℃), which is used in the field of ultra-high temperature cermets.

Product Features
1. High solid solubility: XRD detects no impurity phase, GDMS detects low metal impurity element content;
2. Small particle size: the smallest particle size is 30-50nm;
3. Concentrated distribution: standard normal particle size distribution, no bimodal or multimodal, no tailing.
Technical Data
Model APS(D50) Purity(%) O(%) N(%) CF(%) CT(%)
Ta4HfC5-1 1.0-3.0um >99.0 ≤.0.8 ≤0.10 ≤0.10 6.12~6.23
Ta4HfC5-2 -325mesh >99.5 ≤0.5 ≤0.05 ≤0.10 6.12~6.23
Customized production can be made according to customer requirements
 
Element Max Typical Element Max Typical Element Max Typical
Al 0.0010 0.0005 Fe 0.0500 0.0300 P 0.0010 0.0005
As 0.0010 0.0005 K 0.0020 0.0010 Pb 0.0003 0.0001
Bi 0.0003 0.0001 Mg 0.0020 0.0010 S 0.0010 0.0005
Ca 0.0015 0.0006 Mn 0.0010 0.0005 Sb 0.0020 0.0010
Cd 0.0005 0.0001 Mo 0.0030 0.0015 Si 0.0050 0.0030
Co 0.0005 0.0001 Na 0.0020 0.0005 Sn 0.0003 0.0001
Cr 0.0050 0.0020 Ni 0.0050 0.0030 Ti 0.0050 0.0020
Cu 0.0003 0.0001 Nb 0.0030 0.0010 V 0.0050 0.0010
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RELATED PRODUCTS
Tantalum carbide
Tantalum carbide(TaC)
Molecular weight:192.96
Density:14.3g/cm3
Molybdenum carbide
Molybdenum carbide (Mo2C)
Molecular formula:MoC and Mo2C
Density:8.90 g/cm3
Hafnium carbide (HfC)
Hafnium carbide (HfC)
Molecular weight:190.4
APS(D50):customized
Tantalum-niobium solid solution
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