Nano-mechanical variations in chamber units of dry cuttlebone

IF 3.3 2区 医学 Q2 ENGINEERING, BIOMEDICAL
Zhengze Li , Lei Wang , Jianbo Tang , Jan Seidel
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引用次数: 0

Abstract

Natural hierarchical structures have evolved to exhibit tailored mechanical properties, such as those found in various seashells. Due to their high impact-resisting mechanical properties, these structures have been widely investigated and form the basis of bio-inspired composite materials. This approach requires an accurate understanding of their mechanical properties at the level of individual micro- and nanoscale structural components, which are formed out of a mainly inorganic mineral with biopolymer inclusions in a layered arrangement. Here, we present an AFM study of the mechanical properties of cuttlebone and quantify the elastic modulus of its main micro-nanoscale constituents. The obtained results reveal the detailed mechanical properties of the hierarchical structure of cuttlebone and provide a strategy for accurately testing nanoscale mechanical properties of advanced composite materials.
干海螵蛸腔室单元的纳米力学变化
自然的层次结构已经进化到显示出定制的机械特性,例如在各种贝壳中发现的那些。由于其高抗冲击力学性能,这些结构已被广泛研究,并形成了仿生复合材料的基础。这种方法需要在单个微纳米级结构组件的水平上准确理解它们的机械性能,这些结构组件主要由无机矿物和生物聚合物包裹体分层排列而成。在这里,我们提出了一个AFM研究海螵蛸的力学性能和量化其主要微纳米级成分的弹性模量。所得结果揭示了海螵蛸分层结构的详细力学性能,为精确测试先进复合材料的纳米级力学性能提供了策略。
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来源期刊
Journal of the Mechanical Behavior of Biomedical Materials
Journal of the Mechanical Behavior of Biomedical Materials 工程技术-材料科学:生物材料
CiteScore
7.20
自引率
7.70%
发文量
505
审稿时长
46 days
期刊介绍: The Journal of the Mechanical Behavior of Biomedical Materials is concerned with the mechanical deformation, damage and failure under applied forces, of biological material (at the tissue, cellular and molecular levels) and of biomaterials, i.e. those materials which are designed to mimic or replace biological materials. The primary focus of the journal is the synthesis of materials science, biology, and medical and dental science. Reports of fundamental scientific investigations are welcome, as are articles concerned with the practical application of materials in medical devices. Both experimental and theoretical work is of interest; theoretical papers will normally include comparison of predictions with experimental data, though we recognize that this may not always be appropriate. The journal also publishes technical notes concerned with emerging experimental or theoretical techniques, letters to the editor and, by invitation, review articles and papers describing existing techniques for the benefit of an interdisciplinary readership.
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