carbure de silicium β

OBS: Silicon carbide exists in two crystalline forms. They are the [alpha]-form ... and the β-form, which is cubic.
OBS: β-SiC (cubic) is formed between 1400 to 1800°C and [alpha]-SiC ... at temperatures greater than 1800°C
OBS: The word ""alpha"" must be replaced by the corresponding Greek letter.