High Purity Magnesium Diboride MgB2 Powder CAS 12007-25-9, 99% |

About Magnesium Difboride MgB2 Poudre:
magnesium diboride or magnesium boride MgB2 is an inorganic substance. The molecular formula of magnesium diboride is the MgB2. Dark gray insoluble solid. It’s an ionic crystal with a hexagonal structure. It is an intercalated, alternating layer of magnesium and boran compound. This compound is of interest because it is superconducting at 39 K(-234degC).In terms of composition, MgB2 is markedly different from most transition-metal-based cryogenic superconductors.
Magnesium boride was known by scientists for more than 50 years. But no one ever tested its superconductivity, or whether it would conduct electricity flawlessly without resistance if cooled down to temperatures near absolute zero. It was only in 2001 that Jun Akimitsu, of Aoyama Gakuin University, Tokyo, announced that he had discovered that magnesium Diboride becomes superconducting below 39 degrees Kelvin. (- 389 degrees Fahrenheit). This temperature is nearly twice that of the current intermetallic conducting materials. It was a shock to the world when the announcement came out. Scientists from around the world were scrambling for ways to confirm and duplicate the Japanese findings.
Magnesium diboride can be converted to a superconductor by bringing it up to temperatures slightly below 40K. (-233 deg. C). Its transition is almost twice as high compared to other superconductors. The actual operating temperature of this material is between 20-30K. You can reach this temperature by using liquid neon, hydrogen or a freezer with a closed circuit. These methods can be cheaper and easier than using liquid helium in the industry to cool niobium alloys (4K). Once doped by carbon or other impurities magnesium boride maintains superconductivity at the same level or higher than niobium in the presence a magnetic field and a current.

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Specifications on Magnesium Diboride Powder MgB2

Magnesium Diboride Powder Purity: 98.5% – or Customized
Magnesium Diboride Powder Size: 5-15um, or Customized
Magnesium Diboride Powder Colour:Black
Magnesium Diboride Powder CAS No. :12007-25-9
Magnesium Diboride EINECS No. :234-501-2

Magnesium is an ionic substance with hexagonal structure. Magnesium diboride, at an absolute temperature of about 40K (equivalent -233), will transform into a high-temperature superconductor. The actual operating temperature of the superconductor is between 20 and 30K. For cooling, we can use liquid hydrogen, liquid neon or closed-cycle refrigeration to achieve this temperature. The methods used to cool the alloy are much simpler and cheaper than those currently being used by industry to cool niobium. If it’s doped with impurities like carbon, then it can be maintained superconducting as well as niobium.

What is the production process of Magnesium Diaboride MgB2 Poudre ?
The MgB2 preparation is primarily a reaction synthesis using magnesium powder and mixed boron.
MgB2 can be obtained by mixing 99.9% amorphous boron with 99% magnesium powder, at a ratio of 1:2. Then it is pressed into small balls before being heated in high-pressure Nitrogen.
At the moment, the most commonly used method is mixing amorphous boron and magnesium according to stoichiometric measurements (or adding excessive magnesium), and then putting them in a sealed refractory container (such tantalum), and putting them in a glass tube for vacuum pumping. Then sintered for 14 hour at 700950.

Magnesium Diboride Powder MgB2
Magnesium-diboride superconductor, is the primary application. Magnesium diboride can be used in superconducting magnets and power transmission lines, as well as sensitive magnetic field detectors.
Magnesium diboride, a new material, is attracting attention. Research is primarily focused on the synthesis of superconducting materials for industrial use, electrical conductivity, at room temperature.
MgB2 and its composite materials are more readily sintered and densed than TiB2, allowing them to meet the electrical conductivity requirements for aluminum electrolysis. MgB2 as well as its composite materials will likely be widely used for cathodes in aluminum electrolysis.
Propellants, explosives, and pyrotechnics. Unlike boron which only burns partially through layers of glass oxide that block oxygen diffusion in mixtures with oxygen or oxidizers, magnesium diboride completely burns. It has therefore been suggested that magnesium boride could be used as fuel for the ramjet jet. MgB2 has also been suggested for use in explosives and propellants.

Conditions for storage of Magnesium Diboride (MgB2) powder

This product must be sealed, stored in an air-tight chamber that is cool and dry and kept away from the air to avoid moisture reunification. Moisture reunion will negatively affect the product’s dispersion characteristics and its use. It is important to avoid stress.

Packing & Shipping Magnesium Diboride (MgB2) powder:
The packaging we use depends on the quantity of magnesium diboride powder MgB2.
Magnesium diboride powder MgB2 packing: Vacuum packaging, 100g,500g or 1kg/bag. 25kg/barrel. Or as per your request.
Magnesium diboride powder MgB2 shipping: Could be shipped by air or sea as soon after payment receipt.


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