Figure 8 | Scientific Reports

Figure 8

From: Segregation mediated heterogeneous structure in a metastable β titanium alloy with a superior combination of strength and ductility

Figure 8

TEM analysis of the 820–5 M alloy deformed to a strain of 2.1% and 38% (after necking), respectively. (a), (b), (c), (d), (e) and (f) for the specimen deformed to a strain of 2.1%. (a) BF-TEM image recorded from ultrafine β grain. (b) Corresponding DF-TEM image by selecting α″ (\(\bar{1}10\)) diffraction spot (highlighted by red circle in (c)). (c) α″ [001] zone axis SAED pattern recorded from the plate-like structure in (a). (d) BF-TEM image taken from the micrometre-grained β phase. (e) Corresponding DF-TEM image recorded from a set of β(110) twinning reflections (red circle in (f)). (f) β[113] zone axis SAED pattern. (g), (h) and (i) for the specimen deformed to a strain of 38%: (g) BF-TEM image. (h) Corresponding DF-TEM image recorded by selecting α″ (020), highlighted by the red circle in (i). (i) SAED pattern.

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