TY - JOUR
T1 - Pitting corrosion resistance of CA6NM as geothermal turbine blade material in simulated artificial geothermal brine
AU - Nikitasari, A.
AU - Prasetyo, M. A.
AU - Riastuti, R.
AU - Mabruri, E.
N1 - Publisher Copyright:
© Published under licence by IOP Publishing Ltd.
PY - 2019/7/3
Y1 - 2019/7/3
N2 - Fatigue failure of turbine blades originating from pitting corrosion is a critical issue for power plant. Herein, we study the pitting corrosion resistance of cast CA6NM as turbine blade material in simulated geothermal environment with and without CO2 gas by using cyclic polarization measurement. Three different molybdenum and nitrogen content of CA6NM were used for experiments: (i) CA6NM with a molybdenum content of 1 wt.% and without addition of nitrogen, (ii) CA6NM with a molybdenum content of 2 wt.% and without addition of nitrogen, (iii) CA6NM with a molybdenum content of 2 wt.% and nitrogen content 0.1 wt.%. The measurement reveals CA6NM with molybdenum 2 wt.% and nitrogen 0.1 wt.% is the most resistance to pitting corrosion in simulated artificial geothermal brine with and without CO2 gas.
AB - Fatigue failure of turbine blades originating from pitting corrosion is a critical issue for power plant. Herein, we study the pitting corrosion resistance of cast CA6NM as turbine blade material in simulated geothermal environment with and without CO2 gas by using cyclic polarization measurement. Three different molybdenum and nitrogen content of CA6NM were used for experiments: (i) CA6NM with a molybdenum content of 1 wt.% and without addition of nitrogen, (ii) CA6NM with a molybdenum content of 2 wt.% and without addition of nitrogen, (iii) CA6NM with a molybdenum content of 2 wt.% and nitrogen content 0.1 wt.%. The measurement reveals CA6NM with molybdenum 2 wt.% and nitrogen 0.1 wt.% is the most resistance to pitting corrosion in simulated artificial geothermal brine with and without CO2 gas.
UR - http://www.scopus.com/inward/record.url?scp=85069003546&partnerID=8YFLogxK
U2 - 10.1088/1757-899X/541/1/012016
DO - 10.1088/1757-899X/541/1/012016
M3 - Conference article
AN - SCOPUS:85069003546
SN - 1757-8981
VL - 541
JO - IOP Conference Series: Materials Science and Engineering
JF - IOP Conference Series: Materials Science and Engineering
IS - 1
M1 - 012016
T2 - 2nd International Seminar on Metallurgy and Materials, ISMM 2018
Y2 - 25 September 2018 through 26 September 2018
ER -