Sacrificial bonds and hidden length in biomaterials: a kinetic constitutive description of strength and toughness in bone.


Sacrificial bonds and hidden length in structural molecules account for the greatly increased fracture toughness of biological materials compared to synthetic materials without such structural features by providing a molecular-scale mechanism for energy dissipation. One example is in the polymeric glue connection between collagen fibrils in animal bone. In… (More)


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