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Figure 1

From: Novel 1.5 GPa-strength with 50%-ductility by transformation-induced plasticity of non-recrystallized austenite in duplex steels

Figure 1

Microstructures of annealed duplex steels. (a–c) EBSD inverse pole figure (IPF) maps of austenite and ferrite, together with grain sizes of austenite and ferrite (Dγ and Dα). Austenite and ferrite grains are elongated parallel to the rolling direction, and ferrite grains are extremely small. (d–f) EBSD kernel average misorientation (KAM) maps of austenite and ferrite. High KAM valued regions containing elongated grains and low KAM valued regions containing equi-axed grains indicate non-recrystallized and recrystallized regions, respectively.

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