Fig. 3 Mechanical properties of graphene-enabled Ni/Ni3C composite with a brick-and-mortar structure. Mechanical properties of graphene-enabled Ni/Ni3C.

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Fig. 3 Mechanical properties of graphene-enabled Ni/Ni3C composite with a brick-and-mortar structure. Mechanical properties of graphene-enabled Ni/Ni3C composite with a brick-and-mortar structure. (A) Tensile stress-strain curves of Ni, Ni produced by powder metallurgy, and Ni/Ni3C composite (inset shows the size of tensile specimen). (B) Comparative bar chart of mechanical properties of Ni and Ni/Ni3C composite. (C) Elongation versus yield strength plot showing that the as-fabricated Ni/Ni3C composite had an outstanding combination of strength and ductility (mechanical properties of nacre-like composites were derived from (11–27, 29–34). Yunya Zhang et al. Sci Adv 2019;5:eaav5577 Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).