OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 27 No. 2 2025 Fig. 5. Median depth of corrosion damage as a function of residual strain in the material From the samples after corrosion tests, cross sections were additionally made. Microphotographs were taken, and the distance from the surface of the sample to the upper forming surface at the points of corrosion damage registration was measured. These measurements are presented in Fig. 6, where there is a direct measurement of the corrosion damage depth. The distance from the surface of the sample to the upper Fig. 6. Micrograph of a cross-section prepared from Sample No. 3 after corrosion testing, showing the locations where corrosion damage depth was measured
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