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What is Hafnium Disilicide HfSi2?
Hafnium silicide, also known as hafnium dilicide has a molecular mass of 234.66. It is an opaque powder.
Hafnium diilicide is both a type of silicide for transition metals and also a form of refractory intrametallic compounds. Because of its unique chemical and physical properties, hafnium disilicide is successfully used in the fields of the complementary metal oxide semiconductor components, thin film coatings and bulk structural components thermoelectric materials, electrothermal elements and photovoltaic materials.
Nanomaterials made from hafnium disilicide have special magnetic, optical and electrical properties. They could even be used in catalysis.
What are the uses of Hafnium Disilicide and HfSi2?
1. To prepare silicon carbide-hafnium silicide-tantalum silicide (SiC-HfSi2-TaSi2) anti-ablation composite coating
Carbon fiber reinforced carbon (Chand C), composite is a novel kind of high-temperature composite that uses carbon fiber reinforcement and pyrolytic carbon as the matrix. Due to its superior ablation resistance and good friction and wear characteristics, in the early 1970s, the United States carried out the research of Chammer C composites for thermal structure. This led to the development of Cmax C composites from cauterized heat-proof materials to thermal structures materials. As a thermal structural material, C/C composite can be used in components of gas turbine engines, the nose cone of spacecraft’s nose caps as well as wing leading edges and so on. Many of these parts are designed to work in high temperatures and in oxidation conditions.
CPAC composites may oxidize quickly and are unable to perform in an oxidation environment that is greater than 400. Chammer C composites need to be adequately protected from the oxidation process. The creation of an anti-oxidation coating is among the most crucial measures to protect. The results show that when refractory metals such as Zr Hf,, TiB2 and various other refractory metals are added to the carbon matrix the ablation resistance of C / C composites is improved. To better understand the impact of the metal Hf.Ta on Chand C composites’ ability to ablate, SiC-HfSi2-TaSi2 anti ablation coatings were developed. The effectiveness of ablation of the anti-abllation coatings was assessed using an oxyacetylene laser ablation device. Knot.
2. To make organic light-emitting devices.
The package cover is made up of the light emitting material as well as the cathode. The barrier layer comprises silicide and metal oxides chosen from at least one of chromium silicide tantalum disilicide, hafnium silicide titanium disilicide, molybdenum disilicide, and tungsten disilicide, and the metal oxide is selected from aluminum oxide, magnesium oxide trioxide, titanium dioxide zirconium oxide hafnium dioxide, tantalum pentoxide. The organic light-emitting device described in the previous paragraph has a greater duration.
3. In order to make thermoelectric silicon-germanium alloy elements
The silicon–germanium alloy-based thermostat element is composed of an electro layer, a mixture of silicon and germanium that forms a temperatureelectric layer, and barrier layer between the electrode and the silicon–germanium combination-based heatelectric layer. The barrier layer is made consisting of silicide and silicon nitride. The silicide should contain at least one of the following: molybdenum, tungsten and cobalt, nickel silicides, cobalt cobalt, nickel, silicides, zirconium, hafnium, tantalum silicide, and tungsten silicide. The interface of the silicon–germanium alloy thermoelectric elements is tightly connected. There isn’t any apparent diffusion or cracks at the contact. The thermal contact state is excellent and can withstand high temperatures and accelerated tests for a prolonged period.
4. To prepare the cermet composite coating with high temperature resistance and oxidation resistance
The composite film is characterized by the fact that it is composed of refractory metal, carbide and intermetallic compound, and the thickness of the coating is 10mm x 50mm. The refractory is a more than molybdenum (tantalum), zirconium (zirconium) and hafnium. The silicon carbide is composed primarily of silicon carbide but also one or two of zirconium carbide, tantalum silicide or zirconium carbide. The intermetallic compounds are molybdenum silicides, tantalum silicides or zirconium silicide or zirconium silicide or zirconium silicide zirconium silicide or zi silicide or hafnium silicide or silicide or silicide or hafnium silicide or zironium carbosilicide, hafnium silicide or zirconium silicidesilicidesilicidesilicide or molybdenum alum silicide molybdenum refractory and tantalum silicide The crystal structure of the coating is made up of amorphous and/or polycrystalline nanoparticles.
Hafnium Silicide HfSi2 Powder Price
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Hafnium Silicide HfSi2 Powder Supplier
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