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Hafnium Carbide provides excellent wear resistance, corrosion resistance as well as oxidation resistance when exposed to high temperatures (1000-1100 degrees).
Particle Size – -325mesh
Purity: 99%
Hafnium Carbide HfC Poultry
Hafnium cation HfC can be described as a mixture of carbon & hafnium. Hafnium cadmiummelting points are around 3900°C. This makes it one of the most resistive binary compounds. Although it is highly resistant to oxidation, oxidation begins at temperatures as low (430°C)
Hafnium-carbid has a black, gray, and brittle material; it absorbs the thermal neutrons at high cross-section; its resistivity is 8.8ohmcm.
In order to make ultrafine carbonized Ha powder by using spark plasma, (SPS) an improved device was employed. With the exception of Zr, powder purity is approximately 99.9%. If it contains Zr-impurities, powder purity can be as high as 99.6%. Particle growth and intermediate reactions can be reduced due to the high synthesis temperature, fast heating/cooling, and current impact during the better SPS process. With a new synthesis process, it is possible to synthesize large amounts of HfC. This translates into a daily production rate exceeding 175 g. HfC ceramics containing a high relative amount (>96%) were produced by SPS after being sintered at 2300°C for a period of 30 minutes.
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Performance of Hafnium Carbide HfC Powder :
Hafnium carbide powder is gray metallic and has the highest melt point. The additive of cemented carbide powder has outstanding characteristics, including a better and lower thermal conductivity. Commonly used in the fields of cutting tools, molds, and aerospace, it is used in rocket nose cones.
Technical Parameters for Hafnium HfC Powder:
Hafnium Carbide Pulp Chemical Compositions (%)
me
HfC
Free.C
HfC Powder
99min
6.3min
0.1max
How is Hafnium Carbide HafC Puffer made?
For the preparation of hafnium carbide powder, you need to reduce hafniumoxide by carbon at 1800-2500°C. To remove any oxygen completely, a longer treatment is needed.
Hafnium carbide is a dark gray, brittle and hardy solid. A mixture of elements can be heated to make hafnium carbide. You can produce hafnium carid on an industrial scale from hafnium sponge (from hafnium trihydrate) at 1500–1700°C. Alternatively, it can be prepared from oxidized ha at 2200–2200°C via vacuum carburizing. You will get a carbide that contains almost as much carbon as the original (6.30%°C) with 0.1% additional carbon (219). The resulting hafnium carbide isn’t a true stoichiometric material, but instead a carbon solution at one specific position in the face-centered cubic lattice.
While carbonization can be inert to many reagents at ambient temperature, hydrofluoric solution will disperse it. Hafnium tetrahalide is formed when carbonization occurs at 250-500°C.
Hafnium Carbide Uses:
Hafnium carbide (HfC), the most melting binary alloy known, can be used in many high-temperature areas. It’s suitable for applications at extremely high temperatures such as rocket-nozzles and scramjet component. It can also be used as a hard coating, often applied using methods such as plasma spraying. HfC structural foam can also made into high temperature components or used for thermal insulation.
Hafnium carbid (HfC), having a melting range of more than 3890°C, can also be used to make refractory binary compounds. HfC can also be used for refractory coatings on nuclear reactors. Ta4HfC5 a mixed carbide has the highest melting temperatures at 4215°C.
1. Hafnium can also be used to add cemented carbide; it’s an extremely popular additive in the world of cutting tools.
2. Hafnium-carbid, which can be used to make rocket nozzles, is also available for use in the rocket nose cone.
3. Hafnium carbid used in nuclear reactor controls rods. It can be used to create nuclear reactor controller rods.
4.Used for ultra-high temperature ceramics
5.The reactant is used for the production of hafnium containing organometallic compounds polymer
6.For coating.
Hafnium HfC-Powder Storage Condition:
Hafnium Carbide HfC-Powder should be stored dry, cold, sealed, must not be exposed, can’t be exposed to air and should also be avoided heavy pressure according to normal goods transportation.
Packing & Shipping of Hafnium Carbide HafC Pulp :
This item is packaged in double plastic bags.
Hafnium carbide HfC Pulver packing: vacuum packing. 100g. 500g. 1kg/bag.
Hafnium Carbide HfC Pudding Shipping: Could be shipped by sea, or by air once payment receipt has been paid.
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