Elevated temperature coatings: science and technology IV : proceedings of a symposium sponsored by the Surface Engineering Committee of the Materials Processing & Manufacturing Division (MPMD) and the Corrosion and Environmental Effects Committee (Jt. with ASM/MSCTS) of the Structural Materials Division (SMD) of TMS (The Minerals, Metals & Materials Society), held at the TMS 2001 Annual Meeting in New Orleans, Louisiana, USA, February 11-15, 2001