Introduction to Tantalum Carbide TAC Powder
It is a light-brown metallic cubic crystal powder belonging to the sodium chloride cubic cristal system. The density is 14.3g/cm3.
Insoluble in water, insoluble with inorganic acid, soluble hydrofluoric acid, and nitric acids mixed acid and degradation. It is strong in oxidation resistance, and easily melts and decomposes by potassiumpyrosulfate. Superconductivity is demonstrated by its high conductivity and resistance to 30O at ambient temperature.
This is used for powder metalurgical, cutting tools and chemical vapor deposition. It also makes hard-wear-resistant alloy cutting tools. The tantalum carbide sintered body has a golden color, and can be used to decorate watches.
|Tantalum Carbide TaC Powder Properties|
|Other Names||tantalum(IV) carbide, TaC powder|
|Appearance||Powders from brown to dark brown|
|Boiling Point||4780-5470 degC|
|Solubility of H2O||Insoluble|
1. For TaC powder, mix tantalum pentoxide and solid carbon ball mills. At 1700, the mixture should be reduced and carburized in an oxygen-free atmosphere (mainly vacuum and argon atmospheres).
2. By heat treating in a non-oxidizing environment using the liquid precursor, nano tantalum caride powder was obtained. A small glass rod was used to stir 5mL of anhydrousethanol into a small vessel containing 0.50gTaCL5. It was heated to 55°C and worked at 40kHz. Ultrasonic power was 80W. After ultrasonic oscillation lasting 5-10min was completed, 0.10g nanoactivated carbon was added to the cleaner. The oscillation continued for 15-20min. Then, pour it into the crucible. Coat it well on the inner wall. Dry it with a hot fan. The crucible containing the sample was placed into a vacuum hot pressing furnace at 1300 in a 100Pa vacuum or hydrogen atmosphere. At 1400 in an argon atmosphere, the holding time is 0.55h, and the heating speed is 20/min. Use a brush to brush the products in a crucible after the experiment.
3. Tantalum pentoxide can be converted to heat in the atmosphere Potassium pyrosulfate can be fused. Tantalum and carbon, or tantalum pentoxide, and black in an inert environment heated to 1900 reaction.
4. Tantalum pentoxide and methane can be used to react with argon. This will allow for silicon carbide resistance from external radiation heating, carbonization, tantalum pentoxide combined with carbon black, pressurized mold, heating in hydrogen, or vacuum.
Tantalum Carbide TaC Powder
It is widely used in industry as well as the military. It is used extensively in cemented carbide as an additive. Its main purpose is to increase the high temperature strength of cemented carbide and to prevent the growth of tungsten-carbidide particles.
Use as a hard coating on cutting tools to increase the wear resistance and chemical resistance of the base material.
It can be used by the military as a coating on jet engine turbine blades.
Because it is conductive, it can be used as an electrode material by using electric discharge wires to create complex shapes.
The second phase of the particle reinforced metal matrix composites can be used in aerospace and metallurgy as well as for electric power, hydropower and mining.
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