What is Tantalum carbide ? Tantalum carbide Is a light brown metallic cubic cubic crystalline powder that belongs to the sodium chloride type cubic system. Tantalum carbide can also be used as a cemented carbonide sintered crystal growth inhibitor. This has a significant impact on inhibiting crystal growth. It has a density 14.3g/cm3, and is insoluble or hardly soluble with mineral acids. It can also be dissolved in a mix acid of hydrofluoric acid (nitric acid) and decomposed. Tantalum caride has a strong resistance to oxidation, and can easily be melted and decomposed using potassium pyrosulfate.
What is the rystal of tantalum boride?

TaCx compounds possess a cubic (rock salt) crystal structure when x is between 0.7 and 1.0. TaC0.5 can be found in two forms. The most stable has an anticadmium iodide type trigonal structure. It transforms upon heating up to 2000°C into a hexagonal, non-long-range lattice for carbon atoms.

Tantalum carbide microhardness

From the surface to matrix, the tantalum-carbid surface gradient composite material’s microhardness is measured. The microhardness test must be performed every 50mm from the surface. It can be seen from the distribution of the test hardness that the surface microhardness value for the tantalum carbide composite material surface gradient composite material is as high as 2123HV0.02. The microhardness values for the nano TaC layer are 1980-2025HV0.02, 17502010HV0.02, 16401710HV0.02, and TaC dispersion layers are 16401710HV0.02. Although the TaC layer’s microhardness decreases with increasing distance from the surface, it can still reach 5.5 to 7.0 times the level of the gray cast-iron matrix.

What is the strength of tantalum carbide.

Tests of Vickers hardness and fracture toughness were done to confirm that TaC has the highest mechanical properties at 5.5 GPa. TaC has a relative density of 7.4 MPa m1/2, Vickers hardness at 21.0 GPa and fracture toughness of 97.7%.

Is tantalum carbide toxic?

Tantalum Compounds – The systemic toxicity of tantalum oxide as well as metallic tantalum is very low. This may be due to the poor solubility of tantalum. Carbides – Pure carbon is very safe and can even be ingested as graphite or charcoal.

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