Boron carbide (B4C) powder from advanced abrasives has a Mohs hardness of 9.5, almost as hard as cubic boron nitride (cBN), and can therefore be used as a low-cost alternative to diamond and cubic boron nitride abrasives.

The oxygen content of 10 si3N4 powders was determined by bulk chemical analysis and surface sensitive X-ray photoemission spectroscopy (XPS).

Control the size and density of silicon nanocrystals in silicon oxide by changing the amount of silicon-rich, annealing conditions, etc.

Titanium is a chemical element with the symbol Ti and atomic number 22. Its atomic weight is 47.867 measured in daltons. It is a lustrous transition metal with a silver color, low density, and high strength, resistant to corrosion in seawater, aqua regia, and chlorine.

Boride has the characteristics of high conductivity, high melting point, high hardness, and high stability: Boride has relatively high thermal conductivity and strength, so its thermal stability is relatively good.