Effect of \H3BO3\ on corrosion in 0.01 M NaCl solution of the interface between low alloy steel \A508\ and alloy 52 M

By Siyan Wang and Hongliang Ming and Jie Ding and Zhiming Zhang and Jianqiu Wang and En-Hou Han and Andrej Atrens
Published in Corrosion Science NULL 2016

Abstract

The corrosion of the low alloy steel A508-alloy 52 M interface region in buffered and non-buffered chloride containing solutions was studied by using the scanning vibrating electrode technique (SVET), scanning ion-selective electrode technique (SIET), and time of flight secondary ion mass spectroscopy (ToF-SIMS). The typical pit in low alloy steel \A508\ formed in NaCl solution was stopped immediately when \H3BO3\ was added to the NaCl solution, and the pit became cathodic. With increasing immersion time, \H3BO3\ entered into the pit, and the corrosion of \A508\ became general corrosion.

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