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What is Hafnium Disilicide HfSi2?
Hafnium silicide, also known as hafnium diilicide has a molecular weight 234.66. It is a gray powder.
Hafnium diilicide is a type of transition metal silicide as well as a type of refractory intrametallic compounds. Unique combination of chemical and physical properties makes hafnium silicide an highly effective choice for applications such as semiconductors and bulk structural components that are made of oxides of complementary metals.
Hafnium disilicide nanomaterials show special magnetic, electrical, and thermoelectric properties, and could be used in the field of catalysis.
What exactly is Hafnium Desilicide HfSi2 Useful For?
1. To prepare silicon carbide-hafnium silicide-tantalum silicide (SiC-HfSi2-TaSi2) anti-ablation composite coating
Carbon fiber reinforced carb (Chand C), which is a carbon fiber reinforced carbon, is a high temperature-resistant material that contains carbon fiber for reinforcement as well as pyrolytic and pyrolytic carbons as matrix. Due to its strength at high temperatures and ablation resistance as in addition to its excellent wear and friction properties and wear resistance, the United States began research on Chammer C-composites for thermal structure in the early 1970s. This resulted to the development Cmax C, which is a combination of thermal structures as well as cauterized heating materials. C/C can be used as an element of thermal structure in components for gas turbine engines, spacecraft nose cone cap, wing lead edge, and many other places. The majority of these components operate in high temperatures and in a oxidation.
CPAC composites, however, are very easily oxidized. They are not able to function normally in an oxygen environment higher than 400. Chammer-C composites must be protected from the oxidation process. This is why anti-oxidation coatings are necessary. The results show that C and C composites exhibit a greater ablation rate when other refractory materials like Zr, Hf and Ta are added to their carbon matrix. To determine the impact of Hf,Ta’s metal on Chand C composites’ ablation performance, SiC,HfSi2-TaSi2 anti–ablation coatings were prepared using an embedding technique. The oxyacetylene-based ablation device evaluated the anti-ablation capability of the coating. Knot.
2. To make organic light emitting devices.
The package cover covers the light emitting layer as well as the cathode on the anode, and the package cover is composed of a silicon carbonitride layer and an insulating layer that is that is formed on the surface of the silicon carbonitride layer. The barrier layer is made up of silicide and metals. It is possible to select from at least one of the following: tantalum silicide; hafnium disilicide, chromium silicide; molybdenum silicide and disilicide tungsten. The metal oxide may be chosen from titanium trioxide or aluminum dioxide. The lifetime of the above organic light-emitting devices is longer.
3. To make silicon-based thermoelectric components made of germanium alloy.
The silicon-germanium alloy-based, silicon-germanium thermoelectric element consists of an electrode and an silicon germanium alloy-based thermal layer and a barrier layer. This layer acts as a buffer between silicon germanium layer and the silicon germanium layer. The barrier layer is made up of silicide and silicon nitride. The silicide is at the very least one of molybdenum, tungsten silicide silicide, nickel silicide niobium silicide, zirconium silicide, tantalum silicide as well as hafnium silicide. The interface of silicon-germanium alloy based thermoelectric element has a well-bonded design. It is invulnerable to cracks and diffusion phenomena and can withstand high-temperature acceleration for a prolonged time, and is thermally stable.
4. Prepare the cermet composite coat by combining high temperature and resistance to oxidation
The composite film’s composition is composed of refractory metallic, refractory carbid as well as intermetallic compounds. The thickness of the coating ranges from 10mm to 50mm. The refractory metal is at least one of molybdenum tantalum, zirconium and hafnium. The refractory carbide is made up of silicon carbide, and some or all of tantalum carbide, zirconium carbide and hafnium carbide; the intermetallic compound is made up of one or more of molybdenum silicide, tantalum silicide, zirconium silicide, tantalum carbosilicide zirconium carbosilicide, and hafnium silicide. The crystal structure of the coating is composed of amorphous and / or polycrystalline microparticles.
Hafnium Silicide HFSi2 Powder
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Hafnium Silicide, HfSi2 Powder Supplier
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