OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 27 No. 2 2025 a b c Fig. 1. Surface microstructure of cast (a, c, e) and additively manufactured (b, d, f) ZhS6U alloy after low frequency impact processing for 10 (a, b), 20 (c, d) and 40 (e, f) seconds d e f a b c d e f Fig. 2. Surface microstructure of cast (a, c, e) and additively manufactured (b, d, f) ZhS6U alloy after high frequency impact processing for 5 (a, b), 10 (c, d) and 20 (e, f) minutes
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