Tantalum Carbide Powder

Tantalum Carbide Powder

Tantalum carbide (TaC) is an extremely hard (Mohs hardness 9-10) refractory ceramic material. The hardness is only exceeded by diamond. It is a heavy, brown powder usually processed by sintering, and an important cermet material. It is sometimes used as a fine-crystalline additive to tungsten carbide alloys. Tantalum carbide is recognized as the stoichiometric binary compound with the highest known melting point, at 4150 K (3880°C). The substoichiometric compound TaC0.89 has a higher melting point, near 4270 K (4000°C). It burns in air with a bright flash and only slightly soluble in acids.

Compositions of Tantalum Carbide Powder

Purity: 99.0% to 99.99%
Grade: FTaC-1 FTaC-2

Appearance: Yellowish-brow

Grade			FTaC-1	FTaC-2
Grade	Na(Nb)C		≥99.5	≥99.0
	T.C		≥6.20	≥6.20
	F.C		≤0.1	≤0.15
Impurity Content ,%,Max	Nb		0.3	1.0
	Fe		0.05	0.1
	Si		0.008	0.01
	Al		0.005	0.005
	Ti		0.0085	0.015
	O	1	0.35	0.35
		2	0.3	0.3
		3	0.2	0.2
		4	0.15	0.15
	N		0.025	0.05
	Na		0.005	0.008
	Ca		0.005	0.008
	Mn		-	-
Fsss（μm)	1		0.8-1.0
	3		1.0-1.2
	3		1.2-1.5
	4		1.5-3.0

Applications: For cemented carbide

 

Tantalum Carbide Powder Applications

4. It is also used in tool bits for cutting tools.

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