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. 2020 Sep 19;8(7):nwaa230. doi: 10.1093/nsr/nwaa230

Figure 3.

Figure 3.

Superior mechanical properties of RGI-wood compared to natural wood. (a) Flexural stress–strain curves of RGI-wood and natural wood in both directions. (b) Compared with natural wood, the RGI-wood has greatly improved strength and modulus. (c) Compared to other polymer-based material, RGI-wood has outstanding mechanical performance, making it a low-cost, high-performance, all-green and environment friendly alternative to plastics. (d) Fracture toughness of RGI-wood and natural wood in two directions. (e) Compressive stress–strain curves of RGI-wood and natural wood. Inset: the stress–strain curves of RGI-wood and natural wood under cyclic compression. The RGI-wood showed neither strength nor modulus change during 10 cycles, whereas the natural wood yields after first compression. (f) Hardness (Shore D hardness) of RGI-wood and different parts of natural wood.