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. 2019 May 28;10:2337. doi: 10.1038/s41467-019-10308-8

Fig. 7.

Fig. 7

Characterization of the low density zones in Fe–Mn–Al–Ni–Cr. Optical micrograph of Fe–Mn–Al–Ni–Cr quenched after one single cyclic heat treatment (cf. Supplementary Fig. 1c). Large low-density zones are revealed between the high-angle grain boundaries and the subgrains in the grain interior highlighted by the red dashed lines