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. 2023 Mar 3;9(9):eade7375. doi: 10.1126/sciadv.ade7375

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Fig. 6. — Various materials are plotted on the plane of fracture toughness G_c and work of fracture W_c. The ratio G_c/W_c defines the fractocohesive length, several values of which are marked. HA-PVA, hierarchical PVA; DA-PVA, dry-annealed PVA; PAAm, polyacrylamide; DN, double network.