具有生物启发微结构的 3D 打印微孔板增强复合材料中微孔板取向的影响

IF 4.1 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
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引用次数: 0

摘要

摘要 复杂的微观结构是天然陶瓷生物复合材料的标志,但再现这些结构的加工方法有限,妨碍了人们了解矿物取向对机械性能的影响。本研究利用磁辅助直接墨水写入法(M-DIW)制造微结构微血小板增强复合材料,研究复合材料中微血小板取向的影响。实验和计算方法被用来探索微孔取向对这些材料弯曲性能的关键作用。研究发现,水平微小板通过促进重叠和增加裂纹扩展过程中的断裂能量,显著提高了复合材料的抗弯韧性。垂直微孔有助于提高弯曲模量和强度。垂直微孔有利于形成笔直的裂纹路径和更光滑的断裂表面。此外,通过策略性地组合微孔取向,还引入了复杂的微结构设计,以优化机械性能。这些发现强调了微孔取向在复合材料中的重要作用,为量身定制具有卓越性能的材料提供了可能性。 影响声明 本研究成果在材料科学与工程领域具有重要意义。通过全面研究复合材料中微小板取向的作用,本研究为如何优化各种应用的机械性能提供了新的视角。通过识别与水平、垂直和垂直微孔取向相关的不同强度和局限性,可以制造出具有更强机械性能的定制材料。这种定制潜力为航空航天、汽车和建筑等依赖复合材料的行业带来了巨大前景。此外,分层设计的引入为具有卓越性能的工程材料提供了创新途径。这些设计展示了在弯曲韧性、强度和模量之间实现微妙平衡的潜力,从而使材料的性能优于传统的整体结构。最终,这项研究使材料科学家和工程师能够就微孔取向做出明智的决定,从而提高复合材料在各行各业的效率和通用性。因此,它使我们离未来更近了一步,在未来,材料可以精确定制,以满足特定应用的需求,推动不同行业的创新和进步。 图表摘要
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of microplatelet orientation in 3D printed microplatelet-reinforced composites with bioinspired microstructures

Abstract

Complex microstructures are the hallmark of natural ceramic biocomposites, but limited processing methods to reproduce them hinder the understanding of mineral orientation roles on the mechanical properties. This study investigates the influence of microplatelet orientation in composite materials, utilizing the magnetically assisted direct ink writing method (M-DIW) to create microstructured microplatelet-reinforced composites. Experimental and computational approaches are employed to explore the critical role of microplatelet orientation on the flexural properties of these materials. Horizontal microplatelets are found to significantly enhance the composite’s flexural toughness by promoting overlap and increasing fracture energy during crack propagation. Vertical microplatelets contribute to increased flexural modulus and strength. Perpendicular microplatelets facilitate straight crack paths and smoother fracture surfaces. Moreover, complex microstructural designs were introduced by strategically combining microplatelet orientations to optimize mechanical properties. These findings emphasize the vital role of microplatelet orientation in composite materials, offering potential for tailored materials with superior performance.

Impact statement

The findings of this research carry significant implications in the fields of materials science and engineering. By comprehensively examining the role of microplatelet orientation in composite materials, this study offers a novel perspective on how to optimize mechanical properties for various applications. The identification of distinct strengths and limitations associated with horizontal, vertical, and perpendicular microplatelet orientations enables the creation of tailored materials with enhanced mechanical performance. This customization potential holds considerable promise for industries that rely on composite materials, such as aerospace, automotive, and construction. Moreover, the introduction of hierarchical designs presents innovative avenues for engineering materials with superior properties. These designs showcase the potential to achieve a delicate balance between flexural toughness, strength, and modulus, allowing for materials that can outperform traditional monolithic structures. Ultimately, this research empowers materials scientists and engineers to make informed decisions regarding microplatelet orientation, enhancing the efficiency and versatility of composite materials across a wide range of industries. As a result, it brings us one step closer to a future where materials can be precisely tailored to meet the demands of specific applications, driving innovation and progress in diverse sectors.

Graphical abstract

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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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