00932naa a2200193 a 450000100080000000500110000800800410001910000160006024500880007626000090016452003000017365300120047365300120048565300140049765300270051170000170053870000200055577301630057510297402006-03-27       1999    bl ---       0--  u    #d1 aSIMÕES, M.  aCharacterization of protective sol-gel glass coatings on sintered stainless steels.  c1999  aThe coatings of metallic surfaces by sol-gel film have been proposed as a useful tool to protect against acid corrosion [1,2]. In particular steels and others alloys prepared by pwder metallurgy can benefit over coating methods since the sintering processes inevitably involve residual porosity.  aCoating  aSol-gel  aThin film  aTopographical analysis1 aAVACA, L. A.1 aASSIS, O. B. G.  tIn: BRAZILIAN SYMPOSIUM ON GLASSES AND RELATED MATERIALS, 4., 1999, Ouro Preto. Glasses'99: program and abstracts... Ouro Preto: s.n., 1999. p.79, ref. FI057.