受骨骼启发的动态自适应材料:当前的努力和未来的机遇

IF 4.1 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Mrs Bulletin Pub Date : 2024-09-18 DOI:10.1557/s43577-024-00792-9
Grant Kitchen, Bohan Sun, Sung Hoon Kang
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引用次数: 0

摘要

自然界中存在着多种多样的解决方案,使生物能够动态地调整其结构和机械特性,以满足环境需求。例如,珊瑚礁能够从波浪激荡和水流中积累强化碳酸钙,从而稳定结构中的缝隙,并通过成岩珊瑚礁胶结作用增加珊瑚礁的密度和强度。骨骼通过将骨基质中的变形和流体运动转化为细胞信号,通过机械传导触发骨形成,从而对反复的压力做出反应。利用这些机制的启发,人们开发出了合成材料,利用应力产生的压电电荷吸引矿物离子形成强化矿物层,从而随着时间的推移修复缺陷和损伤,延长材料的使用寿命。在本文中,我们将研究自然适应过程,为具有类似动态适应特性的新型合成材料提供灵感。我们还介绍了现有生物启发合成材料的能力、这些系统目前面临的挑战、这一技术的潜在应用领域以及这些自适应材料未来的研究机会。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Bone-inspired dynamically adaptive materials: Current efforts and future opportunities

The natural world contains a diverse range of solutions that allows for living organisms to dynamically adapt their structure and mechanical properties to meet environmental demands. For example, coral reef is able to accumulate reinforcing calcium carbonate from wave agitation and water current that stabilizes gaps in the structure and increases the reef density and strength through diagenetic reef cementation. Bone responds to repeated stress by translating deformations and fluid movement in the bone matrix into cellular signals that trigger bone formation through mechanotransduction. Utilizing these mechanisms as inspiration, synthetic materials have been developed that utilize stress-generated piezoelectric charges to attract mineral ions to form reinforcing mineral layers that can repair defects and damage over time and extend material lifetime. In this article, we examine natural adaptive processes that give inspiration for new synthetic materials with similar dynamic adaptive properties. We also introduce the capabilities of existing bioinspired synthetic materials, current challenges these systems face, potential application areas of this technology, and future research opportunities of these adaptive materials.

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来源期刊
Mrs Bulletin
Mrs Bulletin 工程技术-材料科学:综合
CiteScore
7.40
自引率
2.00%
发文量
193
审稿时长
4-8 weeks
期刊介绍: MRS Bulletin is one of the most widely recognized and highly respected publications in advanced materials research. Each month, the Bulletin provides a comprehensive overview of a specific materials theme, along with industry and policy developments, and MRS and materials-community news and events. Written by leading experts, the overview articles are useful references for specialists, but are also presented at a level understandable to a broad scientific audience.
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