Abstract:9.1 Introduction9.2 Surface engineering of magnesium alloys9.3 Ion beam assisted deposition (IBAD) and reactive ion beam assisted deposition (RIBAD)9.4 Effects of ion bombardment9.5 RIBAD deposition of titanium nitride (TiN) on magnesium alloys9.6 Sliding wear and aqueous corrosion of Mg alloys9.7 Conclusion