FIELD: corrosion testing. SUBSTANCE: electrochemical parameters of a material to be tested are measured. For this purpose potential difference in different points of a surface to be tested is measured, work function of electrons is calculated using the contact potential difference, maximum difference of work function of electrons for points to be tested is determined, and then the difference is used as a parameter which characterizes tendency to corrosion and ageing. EFFECT: simplified method. 2 tbl
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