... produced by Selfpropagating High-temperature Synthesis.Main products include AlN,TiC, TiCN, TiB2, BN, SiC, Si3N4, Sialon, Cr3C2, MoSi2, XTiY etc. AIN PlatesAlN has ... its thermal expansion is similar closes to that of Si. AlN is widely used in such area: Circuit substrates of semiconductor ... %) Fe(wt%) Cr(wt%) Ni(wt%) K(wt%) Na(wt%)AlN -12 >32.5 <1 <0.05 <0.005 <0.005 ...