Posts by: Selina
Nacre Toughening Due to Cooperative Plastic Deformation
By Selina On March 18, 2021 · Leave a Comment · In 2021 SP Team 07, 2021 SP Week 06, Biological Discoveries
Among biological materials, mollusk shells have been extensively studied for their outstanding combination of stiffness, strength, and toughness. The shell is a composite, primarily made of two different polymorphs of calcium carbonate: calcite and aragonite, with the outer layer being composed of calcite prisms and the inner layer—nacre—having a “brick-and-mortar” structure. […]
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