Fig. 5: Micro-tensile/in-situ EBSD tensile test results for the ultrastrong and ductile steel welds. | Nature Communications

Fig. 5: Micro-tensile/in-situ EBSD tensile test results for the ultrastrong and ductile steel welds.

From: Ultrastrong and ductile steel welds achieved by fine interlocking microstructures with film-like retained austenite

Fig. 5

a Engineering stress‒strain curves. b Tensile strength, uniform elongation, and ECO-index values of the welds based on the micro-tensile test results. c, d True stress‒strain curves with strain hardening rates of 1.2 GPa and 1.0 GPa steel welds, respectively. e Variations in the EBSD phase maps with increasing strain during the in-situ EBSD tensile tests.

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