Co_(87)Nb_(10)Zr_3, Co_(76)Nb_(19)Zr_5, Co_(64)Nb_(26)Zr_(10) and Co_(64)Nb_(16)r_(20) amorphous films were deposited on noncrystalline glass substrates by DC u
β-Sialon/ZrN bonded corundum composites were synthesized using fused white corundum, alumina micro powder, zircon and carbon black by nitridation reaction sint