Influence of Intermetallic Precipitates on Pitting Corrosion of High Mo Superaustenitic Stainless Steel
作者： M. Balakrishnan , J. Anburaj , S. S. Mohamed Nazirudeen , L. Neelakantan , R. Narayanan
DOI: 10.1007/S12666-015-0587-8
关键词:
摘要: Influence of intermetallic phases on the pitting corrosion aged high Mo superaustenitic stainless steel is studied. To form alloy was for 1 and 10 h at different temperatures in range 500–1000 °C. Chi forms up to 800 °C. Sigma above 900 or 1000 °C depending upon ageing time. Corrosion estimated by electro-chemical polarization method 3.5 % NaCl solution. The potential decreases with increasing temperature and/or more susceptible cause than chi. Depletion near zones sigma matrix attributed phenomenon.
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