Silicon tetraboride is an inorganic compound with the chemical formula SiB4, which has the characteristics of high hardness and high temperature resistance. Silicon tetraboride is second only to diamond in hardness, which makes it have important application value in industry.
Chemical formula: SiB₄
Color: gray refractory solid
Density: 2.34 g/cm³
Melting point: 1870 °C
Hardness: equivalent to boron carbide, second only to diamond (extremely hard material)
Silicon tetraboride is stable at high temperature, insoluble in water, and has the characteristics of oxidation resistance, thermal shock resistance and chemical corrosion resistance, especially high strength and stability under thermal shock. These characteristics make it perform well in high temperature environments.
Silicon tetraboride is usually synthesized by the following methods:
Direct reaction of elemental silicon and boron at high temperature.
Carbothermal reduction of boron oxide and silicon dioxide in the presence of carbon.
Silicon boride is a commonly used material in electronic components and can be used to manufacture devices such as diodes and transistors. Silicon boride has the advantages of high temperature stability, high hardness, corrosion resistance, low thermal expansion coefficient, etc., and has good performance in high temperature and high pressure environment. Therefore, silicon boride is widely used in aviation, semiconductor, power and other fields.
Silicon boride can be used as an additive in rare earth metallurgy, special alloy smelting and ceramic manufacturing. Silicon boride can form borides with metals, which can improve the hardness and strength of the alloy, and reduce the expansion coefficient of the alloy, making the material less likely to deform.
Silicon boride is a high-quality ceramic material and is widely used in ceramic manufacturing. Silicon boride ceramics have good corrosion resistance, high temperature stability, high hardness and low density. Silicon boride ceramics can be used in aviation, chemical industry, power, machinery and other fields, such as aircraft engine blades, insulation materials for vacuum furnaces, mechanical parts, etc.
VI HALBLEITERMATERIAL GmbH (VIMATERIAL) employs a stringent quality assurance system to ensure the reliability of our product quality. Strict quality control is implemented throughout the entire production chain, and for defective products, we strictly enforce the principle of rework and redo. Each batch is released only after passing detailed specification tests.
Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
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