EVALUATION OF THE INFLUENCE OF BIAS VOLTAGE ON THE CORROSION RESISTANCE OF al-Nb-N THIN FILMS SciELO - Scientific Electronic Library Online vol.77 issue162 MICROSTRUCTURE AND PHASES ANALYSES OF ZIRCONIA-ALUMINA (ZrO2-Al2O3) COATINGS PRODUCED BY THERMAL SPRAY MINERAL DISTRIBUTION IN TWO SOUTH-WEST COLOMBIAN COALS USING CYCLONE SEPARATION AND OXIDATION AT LOW TEMPERATURE author index subject index articles search Home Page alphabetic serial listing