Effect of Sc Alloying Additions on Structure and Mechanical Properties of PM and Cast High-Strength Al dAlloys of same composition ; Effects of copper on precipitation of secondary phases in duplex stainless steels; Effects of thermocapillary forces during welding of 316L-type wrought, cast and powder metallurgy austenitic stainless steels; ELECTROSPARK DEPOSITED COATING TECHNOLOGY FOR NAVAL APPLICATIONS