Oxidation and self-repair of the zinc-based high temperature coating for niobium

Structure and stability of Laves phases part II—structure type variations in binary and ternary systems

“…Generally these two-phase fields are very narrow and their experimental determination is difficult. -Although only two binary systems (the prototype system Mg-Ni and the system Nb-Zn [242,243]) are known with the C36 polytype as the only stable Laves phase polytype, the hexagonal C36 Laves phase polytype is observed in many binary or ternary systems as additional stable phase together with the cubic C15 and/or hexagonal C14 polytype. -The site occupancies in ternary Laves phases cannot be predicted simply from the atomic sizes; a comparison of the shape of the phase fields of various ternary Laves phases shows that electronic factors play a significant role.…”