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Hafnium carburide (HfC), a chemical compound composed of hafnium, is a combination of carbon and hafnium. It has a melting point around 3900 degrees Celsius, making it one of the most refractory binaries known. The compound has a very low resistance to oxidation. Oxidation can begin at temperatures of as low as 432 degC. It is possible that this compound will be used as a heat shield in future spacecraft.
Is hafnium carbide toxic?
Hafnium Oxychloride was found to be toxic by intraperitoneal route during animal studies. Hafnium-related industrial poisonings have not been reported. Carbides – Pure carbon is very low in toxicity and can even be ingested as charcoal or graphite.
What is Hafnium Carbide HfC made from?
Hafnium carburide powder can be prepared by reducing the hafnium oxidation with carbon, at temperatures between 1800degC and 2000degC. This requires a longer time to completely remove oxygen.
Hafnium carburide is a dark grey brittle solid. It can be produced by heating elements together or by reacting hafnium chloride with methane. Hafnium oxide, or metal sponges can be obtained in sufficient quantities for the large-scale production zirconium. In an industrial setting, hafnium can be produced from hafnium oxide or metal sponge by vacuum-carburizing it in hydrogen. The carbide consists of almost the full amount of carbon (6.30%degC), with up to 0.1% in free carbon. The obtained hafnium carbon is not true stoichiometric, but a solution of carbon at a particular interstitial position in the face-centered cubic structure.
Carbonization will not dissolve in hydrofluoric solution at room temperatures, but is inert with most reagents. Carbonization is exothermic with halogen between 250 and 500degC, forming hafnium trihalide. Above 500degC it forms hafnium oxygen. In the presence hydrogen, hafnium carbure will lose carbon slowly at higher temperature.
Titanium Carbide Powder
Hafnium Carbide (HfC), which has the highest melting points of all binary alloys, has a wide range of high-temperature uses. It’s a candidate material for high-temperature components, such as scramjets or rocket nozzles. Carbonization can be used for hard coatings. These are usually applied using processes like plasma spraying. HfC structural foams are also suitable for high-temperature components, or as thermal insulation.
Hafnium carburide (HfC), which has a melting point greater than 3890degC and is a refractory compound, is made up of two components. HfC or NBC can be used to coat nuclear reactors. Ta4HfC5 mixed carbide has the highest melting temperature at 4215degC.
1. Hafnium carbide can be used to add to cemented carbon, which is used widely in the cutting tool and mold industry.
2. Hafnium carbide can be applied as a material for the rocket’s nozzle. In the aerospace industry, it can be applied to a nozzle, high temperature lining, an arc, or an electrode used for electrolysis.
3. Hafnium carbide is used as a control rod in nuclear reactors. It is a perfect metal for nuclear reactor rods.
Useful for preparing ultra-high temperature ceramics
5.Reactant to synthesize hafnium containing organometallic Polymer
6.For coating.
The substance with highest melting point on Earth
The compound that has the highest melting temperature on Earth is hafnium carbide, with a melting temp of 3890 degrees Celsius. The hafnium compound known as tetratantalum Hafnium Pentacarbide has the highest melting temperature on earth. Its melting point is 4215.
Hafnium has an atomic weight of 72 and is a metallic silvery gray transition metal. The earth’s surface contains a 0.00045% amount, and it is commonly associated with the zirconium element in nature.
The hafnium is so popular as a forward protection layer for rockets and aircraft because it has a high corrosion and temperature resistance.
(aka. Technology Co. Ltd., a trusted global chemical supplier and manufacturer of high-quality nanomaterials & chemicals with over 12 year’s experience. Currently, we have successfully developed a number of materials. The Hafnium Carbide HfC powder The p Our products are high in purity, have fine particles, and contain low impurities. Send us an e-mail or click the products you need to Send us an inquiry
Is hafnium carbide toxic?
Hafnium Oxychloride was found to be toxic by intraperitoneal route during animal studies. Hafnium-related industrial poisonings have not been reported. Carbides – Pure carbon is very low in toxicity and can even be ingested as charcoal or graphite.
What is Hafnium Carbide HfC made from?
Hafnium carburide powder can be prepared by reducing the hafnium oxidation with carbon, at temperatures between 1800degC and 2000degC. This requires a longer time to completely remove oxygen.
Hafnium carburide is a dark grey brittle solid. It can be produced by heating elements together or by reacting hafnium chloride with methane. Hafnium oxide, or metal sponges can be obtained in sufficient quantities for the large-scale production zirconium. In an industrial setting, hafnium can be produced from hafnium oxide or metal sponge by vacuum-carburizing it in hydrogen. The carbide consists of almost the full amount of carbon (6.30%degC), with up to 0.1% in free carbon. The obtained hafnium carbon is not true stoichiometric, but a solution of carbon at a particular interstitial position in the face-centered cubic structure.
Carbonization will not dissolve in hydrofluoric solution at room temperatures, but is inert with most reagents. Carbonization is exothermic with halogen between 250 and 500degC, forming hafnium trihalide. Above 500degC it forms hafnium oxygen. In the presence hydrogen, hafnium carbure will lose carbon slowly at higher temperature.
Hafnium Carbide (HfC), which has the highest melting points of all binary alloys, has a wide range of high-temperature uses. It’s a candidate material for high-temperature components, such as scramjets or rocket nozzles. Carbonization can be used for hard coatings. These are usually applied using processes like plasma spraying. HfC structural foams are also suitable for high-temperature components, or as thermal insulation.
Hafnium carburide (HfC), which has a melting point greater than 3890degC and is a refractory compound, is made up of two components. HfC or NBC can be used to coat nuclear reactors. Ta4HfC5 mixed carbide has the highest melting temperature at 4215degC.
1. Hafnium carbide can be used to add to cemented carbon, which is used widely in the cutting tool and mold industry.
2. Hafnium carbide can be applied as a material for the rocket’s nozzle. In the aerospace industry, it can be applied to a nozzle, high temperature lining, an arc, or an electrode used for electrolysis.
3. Hafnium carbide is used as a control rod in nuclear reactors. It is a perfect metal for nuclear reactor rods.
Useful for preparing ultra-high temperature ceramics
5.Reactant to synthesize hafnium containing organometallic Polymer
6.For coating.
The substance with highest melting point on Earth
The compound that has the highest melting temperature on Earth is hafnium carbide, with a melting temp of 3890 degrees Celsius. The hafnium compound known as tetratantalum Hafnium Pentacarbide has the highest melting temperature on earth. Its melting point is 4215.
Hafnium has an atomic weight of 72 and is a metallic silvery gray transition metal. The earth’s surface contains a 0.00045% amount, and it is commonly associated with the zirconium element in nature.
The hafnium is so popular as a forward protection layer for rockets and aircraft because it has a high corrosion and temperature resistance.
(aka. Technology Co. Ltd., a trusted global chemical supplier and manufacturer of high-quality nanomaterials & chemicals with over 12 year’s experience. Currently, we have successfully developed a number of materials. The Hafnium Carbide HfC powder The p Our products are high in purity, have fine particles, and contain low impurities. Send us an e-mail or click the products you need to Send us an inquiry
