OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 27 No. 2 2025 a b c d e f Fig. 4. Optical microscopy images of ZhS6U alloy in cross section: cast (a, c, e) and additively manufactured (b, d, f) after high frequency impact processing for 5 (a, b), 10 (c, d) and 20 (e, f) minutes a b c d e f Fig. 3. Optical microscopy images of ZhS6U alloy in cross section: cast (a, c, e) and additively manufactured (b, d, f) after low frequency impact processing for 10 (a, b), 20 (c, d) and 40 (e, f) seconds
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