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. 2019 Aug 23;14(8):e0221491. doi: 10.1371/journal.pone.0221491

Fig 7.

Fig 7

(a) Vickers microhardness values of the as-received sample with and without SMAT processing SA and A samples in different depths from the SMAT affected surface; (b) Nanoindentation hardness and reduced Young modulus (Er) results in depth from SMAT affected surface 4 passes ECAPed samples with and without SMAT processing S4E and 4E samples.