Fig. 6 | Scientific Reports

Fig. 6

From: Recycled leather–epoxy hybrid composites exhibiting novel fracture behavior identified through multimodal characterization

Fig. 6

Representative stress–strain response of recycled leather-epoxy hybrid composite under three-point bending. The curve shows an initial linear elastic region, followed by a nonlinear zone, indicating matrix yielding and progressive damage mechanisms. The post-peak softening corresponds to fiber pull-out, matrix cracking, and interfacial debonding typical of ductile composite failure.

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