How to produce magnesium diboride MgB2 powder?

The preparation method of MgB2 is mainly the reaction synthesis after magnesium powder and boron powder are mixed.

MgB2 is obtained by mixing 99.9% magnesium powder and 99% amorphous boron powder in a ratio of 1:2, pressing them into pellets and heating them in high-pressure nitrogen.

At present, the commonly used method is to mix the amorphous element boron powder and magnesium powder (or add excessive magnesium) according to the stoichiometric ratio, and then put them in a sealed refractory metal container (such as tantalum), and then put them in a vacuum pump with a quartz tube. It is then sintered at 700~950 ℃ for 1~4 h to synthesize MgB2.

Overview of magnesium diboride MgB2 powder

Magnesium diboride (magnesium diboride) turns into a superconductor at a temperature slightly close to the absolute temperature of 40K (ie -233°C). Its transition temperature is almost twice that of other superconductors of the same type, and its actual working temperature is 20~30K. To reach this temperature, liquid neon, liquid hydrogen or a closed-cycle refrigerator can be used to complete the cooling. These methods are simpler and cheaper than the industrial cooling of niobium alloys (4K) with liquid helium. Once doped with carbon or other impurities, magnesium boride can maintain superconductivity no less than that of niobium alloys, or even better, in the presence of a magnetic field or current passing through. Its potential applications include superconducting magnets, power transmission lines, and sensitive magnetic field detectors.

Application of magnesium diboride MgB2 powder

Potential applications of magnesium diboride include superconducting magnets, power transmission lines and sensitive magnetic field detectors.

Magnesium diboride is the focus of new materials. The research mainly focuses on the properties of synthesis and superconducting elements for industrial synthesis and sintering properties, electrical conductivity at room temperature, and the corrosion resistance of aluminum fluoride to liquid aluminum. There are few studies on corrosivity, so MgB2 and its composite materials will never appear in the coverage of the aluminum electrolytic cathode area.

MgB2 is easier to sinter and densify than TiB2, and its conductivity basically meets the requirements of aluminum electrolytic cathodes. Therefore, MgB 2 and its composite materials are likely to be widely used as cathode materials for aluminum electrolysis.

Propellants, explosives, pyrotechnics: Unlike boron, which burns incompletely through the glass oxide layer that prevents oxygen diffusion, magnesium diboride burns completely in oxygen or oxidant mixtures. Therefore, magnesium boride has been proposed as a fuel for ramjet engines. In addition, for the same reason, it has been proposed to use MgB2 in enhanced explosives and propellants.

Price of Magnesium Diboride MgB2 powder

The price of magnesium diboride MgB2 will vary randomly with the production cost, transportation cost, international situation and the market supply and demand of magnesium diboride MgB2. Tanki New Materials Co., Ltd. aims to help all industries and chemical wholesalers find high-priced products. Provide high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for magnesium diboride MgB2, please feel free to send an inquiry to get the latest price of magnesium diboride MgB2.

Suppliers of magnesium diboride MgB2 powder

As a global boron carbide B4C powder supplier, Tanki New Materials Co. Ltd has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineering materials. The company has successfully developed a series of powder materials (titanium diboride, Silicon hexaboride, molybdenum boride, iron boride), high-purity targets, functional ceramics and structural devices, and provide OEM services.