... 0,20,71,21,72,22,710 20 30 40 50 60θ, degreeSi (111)Si (220)Si (31 1)Si (422)Si (511)Si ( 33 1)Si ( 531 ) Si (matrix)SiC (111)SiC (31 1)SiC (220)SiC (422)SiC (33 1)SiC (400)0,00,51,01,52,02,510 ... valuable properties as high hardness (33 400 Mn/m2), chemical resistance, high melting point (2 830 °C), wide bandgap (2 .3 3. 3 eV), etc (Lindner , 20 03) . Unfortunately, since it is still difficult ... 22.9 and 26.9 mm and correspond to β-SiC(111), β-SiC(220), β-SiC (31 1) (Fig. 5). The diameters of rings of SiC0.7 diffraction pattern were 14.0, 22.9, 26.9, 28.0, 35 .3, 39 .7 mm (Fig. 6) and...