Open AccessCorrosion Study on Ni-based Alloy in Acidic Environment
Author(s) -
Yuejuan Shi,
Yanling Liu,
Xuepeng Wang,
Yonggang Zhou,
Jun Ma,
Shuai Zhang
Publication year - 2019
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/611/1/012008
Subject(s) - sulfuric acid , corrosion , alloy , metallurgy , materials science , nickel , petrochemical , electrochemistry , substrate (aquarium) , chemistry , electrode , geology , oceanography , organic chemistry
Ni-based alloys have excellent corrosion resistance and are widely used in the petrochemical industry. In this study, the effects of sulfuric acid concentration on the corrosion resistance of Ni-based alloys were analyzed by software simulation and electrochemical tests. The results show that the corrosion rate of the alloy is gradually increased with the increase of sulfuric acid concentration, and the influence of sulfuric acid concentration on the corrosion rate of 304 stainless steel is greater than that of nickel-based alloy. In a 10% sulfuric acid solution, the corrosion rate of the four nickel-base alloy samples is only one-twentieth of that of the 304 stainless steel substrate.