Pengamatan perilaku korosi sumuran duplex SAF 2205 yang mengalami perlakuan panas melalui metode electrochemical impedance spectroscopy dan polarisasi potentiodynamic = Observation of pitting corrosion behaviors in heat treated duplex saf 2205 by electrochemical impedance spectroscopy method and potentiodynamic polarization - Matra Rizki Pratama, author (2014)