Boron carbide, also known as black diamond, has a molecular formula of B4C and is usually a gray black powder. It is one of the three hardest known materials (the other two are diamond and cubic boron nitride)...
Silicon carbide (SiC) ceramics have enormous application space in fields such as semiconductors, energy, aerospace, catalysts, etc. Among them, SiC porous ceramics with high porosity have lighter weight...
Recently, the research team of the Institute of Silicon Technology, Chinese Academy of Sciences, proposed a sequential silicon infiltration method combining gas-phase and liquid-phase silicon infiltration.