Investigation of corrosion resistance of materials in the presence of sulphuric acid and its decomposition products applied in the thermochemical cycle of hydrogen production

The corrosion resistance of some nickel constructional steels and alloys was investigated in an atmosphere containing SO 3 + SO 2 + O 2 + H 2O, in the temperature range 600–900°C, and in boiling cone, sulphuric acid. The composition of the corrosion products is analyzed. Also the corrosion resistance of stainless nickel-chromium steel, implanted with singly charged ions, Ni +, Cr +, Al +, Pb + and He +, was investigated in boiling cone, sulphuric acid.