Diboride may refer to: *

Aluminium diboride Aluminium diboride (AlB2) is a chemical compound made from the metal aluminium and the metalloid boron. It is one of two compounds of aluminium and boron, the other being AlB12, which are both commonly referred to as aluminium boride. Structura ...

, compound of aluminium and boron *

Hafnium diboride Hafnium diboride is a type of ceramic composed of hafnium and boron that belongs to the class of ultra-high temperature ceramics. It has a melting temperature of about 3250 °C. It is an unusual ceramic, having relatively high thermal and electr ...

, ultra-high temperature ceramic composed of hafnium and boron *

Magnesium diboride Magnesium diboride is the inorganic compound of magnesium and boron with the formula MgB2. It is a dark gray, water-insoluble solid. The compound becomes superconducting at 39 K (−234 °C), which has attracted attention. In terms of its ...

, inexpensive and simple superconductor *

Rhenium diboride Rhenium diboride (ReB2) is a synthetic high-hardness material that was first synthesized in 1962. The compound is formed from a mixture of rhenium, noted for its resistance to high pressure, and boron, which forms short, strong covalent bonds wi ...

, synthetic superhard material *

Titanium diboride Titanium diboride (TiB2) is an extremely hard ceramic which has excellent heat conductivity, oxidation stability and wear resistance. TiB2 is also a reasonable electrical conductor,J. Schmidt et al. "Preparation of titanium diboride TiB2 by spark p ...

, extremely hard ceramic compound composed of titanium and boron *

Zirconium diboride Zirconium diboride (ZrB2) is a highly covalent refractory ceramic material with a hexagonal crystal structure. ZrB2 is an ultra-high temperature ceramic (UHTC) with a melting point of 3246 °C. This along with its relatively low density of ...

, highly covalent refractory ceramic material with a hexagonal crystal structure Due to their technological importance, refractory and electrically conductive diborides (TMB₂) formed by Group 4–6 transition metals (TM): Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and W are attracting increasing research interest as thin film coatings in many potential applications.Review of Transition-Metal Diboride Thin Films M. Magnuson, L. Hultman, and H. Högberg; Vacuum (invited review) 196, 110567, (2022). The family of boron-containing compounds, thin films and bulk, is larger than TMB₂ as boron interacts with many of the elements in the periodic table to form a variety of compounds with different properties. Examples are monoborides and covalently bonded borides with high hardness, like aluminum magnesium boride (BAM) with the composition AlMgB₁₄, and superconducting MgB₂. Application examples are as high-temperature electrodes, advanced nuclear fission and fusion reactors, molten metal environment, refractory crucibles, thermocouple protection tubes in steel baths and aluminum reduction cells, reinforcement fibers, solar power, aerospace, as well as in armor applications.

References

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