What is Magnesium Boride MgB2 Powder?

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Introduction to Magnesium Boride Magnesium Boride Powder MgB2

Magnesium diboride

Magnesium boride, chemical form MgB2, an ionic substance with a hexagonal structure is magnesium boride.

It is an intercalated mixture that has alternating layers containing boron and magnesium. The triangular structure for the magnesium atomic layers is identical to graphite. However, the hexagonal honeycomb structure for boron atomic layers is much more common.

Magnesium Diboride is a hard, brittle substance that has poor ductility.

Magnesium Diboride Magnesium MgB2 Powder has superconductivity

2001 was the year that researchers discovered that magnesium Boride, a seemingly ordinary substance, is able to transform into a superconductor at temperatures close to 40K (-233°C). Its transition temperatures are almost twice those of similar superconductors. The actual operating temperature is between 20 and 30K. Liquid neon, liquid hydrogen or closed circulating freeze can cool down the temperature. These methods are more cost-effective and simple than industrial cooling of niobium alloys (4K) using liquid helium.

Magnesium Boride can be doped with carbon, or other impurities to maintain superconductivity when subject to a magnetic field or current. It is better than niobium and niobium alloys. There are many potential applications for superconducting magnets. Power transmission lines and sensitive magnetic field detectors are also possible.

Magnesium Boride Magnesium Boride Powder Properties
Other Names Magnesium boride Powder, MgB2
No. 12007-25-9
Formula compound MgB2
Molecular Weight 45.927
Appearance From gray to black powder
Melting Point 830degC
Boiling Point N/A
Density 2.57g/cm3
Solubility of H2O N/A
Exact Mass 46.003653
Magnesium Diboride MGB2 Powder, CAS 12007-25-9

Magnesium Boride Magnesium B2 Powder Applications


Magnesium diboride is attractive because of its superconducting properties and low price. MgB2 powder can be used to compress the wire with silver (or 316 stainless) or through a powder in tube method to make tapes.

In superconducting cavities with rf cavities, thin coatings are possible to reduce energy loss and improve the efficiency of liquid helium cool niobium.

MgB2 can be used because of the low cost of its parts in superconducting medium magnets, generators, motors and engines, fault current limitsers and current leads.

Propellants, explosives, fireworks:

The element boron burns in part through a layer of glassy oxide, which impedes oxygen diffusion. However, magnesium diboride ignites fully when it is inhaled in oxygen or mixed with an oxygen. As a ramjet fuel, magnesium boride is being considered. MgB2 has also been suggested for explosive-enhanced explosions and propellants. It was recently demonstrated that decoy flares containing magnesium diboride/PTFE/FLUORO rubber improved spectral efficiency by 30-60% compared to classic magnesium/Teflon/fluororubber (MTV) payloads. In rocket propulsion, magnesium diboride was used to enhance combustion characteristics and mechanical properties.

Main supplier of Magnesium Boride MgB2 powder

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Magnesium boride MgB2 powder

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