March, 2023 | Vican Chem.

30 Mar

Using ultrasonic technology to reduce the cost of magnesium diboride superconductor

Superconductivity already has a variety of practical applications, such as medical imaging and maglev trains. However, in order to apply superconductors to other technologies, we need to not only improve performance, but also reduce the difficulty and cost of manufacturing. In this regard, magnesium diboride (MgB2), as a superconductor with multiple advantages, has attracted the attention of researchers since its discovery. It is a lightweight, easy to process material that can be made from a wide range of prerequisite materials, [...]

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24 Mar

Method for preparing zirconium silicide nanomaterials

Zirconium silicide (zrsi), as a zirconium-silicon intermetallic compound, is a kind of high temperature ceramic material with high hardness, high melting point, high conductivity, high thermal conductivity and excellent thermal shock resistance. In view of these superior physical and chemical properties of zirconium-silicon intermetallic compounds, it is a kind of structural materials or new engineering materials that can be applied to high temperature corrosive media. At present, The method of preparation of zirconium silicide is mainly with silicon thermal reduction [...]

Nano titanium diboride reinforced aluminum alloy composites

Nano-titanium diboride particle reinforced aluminum matrix composites, TiB2p/Al has excellent mechanical and physical properties, such as high specific strength and specific modulus, wear resistance, fatigue resistance, low density, good dimensional stability, etc. Moreover, compared with continuous fiber reinforced composite materials, it has a significant low-cost advantage. The materials are isotropic, easy to process, flexible and diverse preparation, and can be manufactured by traditional equipment for secondary processing, such as extrusion, calendering and forging. Nano-titanium diboride particle reinforced aluminum matrix composite [...]

Application analysis of nanometer tungsten trioxide WO3

WO3 (VK-W50) xanthelatine has a large specific surface area and significant surface effect. It is a good catalyst, which can be used as both the main catalyst and the cocatalyst, and has high selectivity for the reaction. WO3 has a strong ability to absorb electromagnetic wave, and can be used as an excellent solar energy absorbing material and recessive material. WO3 is an N-type semiconductor material with excellent gas sensitivity and is sensitive to H2S, NH3, H2, O3 and [...]

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08 Mar

Cesium fluoaluminate flux moisture meter use method

Cesium fluoaluminate flux moisture meter, also known as cesium fluoaluminate flux moisture meter. Its working principle is oven drying weight reduction method, by heating the sample moisture evaporation, and then calculate the sample weight difference before and after heating and the weight percentage of the sample before heating, that is, to obtain the water content of cesium fluoaluminate flux. The halogen moisture meter designed according to oven heating constant weight method meets the verification requirements of JJG 658 drying [...]

Application of manganese silicide in materials

As a kind of refractory intermetallic compound, manganese silicide is a transition metal silicide. Due to its unique physical and chemical properties, it has been successfully applied in the fields of complementary metal oxide semiconductor components, thin film coatings, block structure components, electric heating elements, thermoelectric materials and photovoltaic materials. The nanomaterials show special electrical, optical, magnetic and thermoelectric properties, and even have potential application value in the field of catalysis. However, the traditional preparation methods such as metallurgy [...]