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关于量化基于金属/聚合物拓扑优化微结构（TPMS）/晶格的互穿相复合材料的动态行为

On quantifying dynamic behavior of architected metal/polymer TPMS/lattices-based interpenetrating phase composites.

作者信息

Shingare K B, Schiffer Andreas, Liao Kin

机构信息

Department of Aerospace Engineering, Khalifa University of Science and Technology, 127788, Abu Dhabi, UAE.

Department of Mechanical Engineering, Khalifa University of Science and Technology, 127788, Abu Dhabi, UAE.

出版信息

Sci Rep. 2025 Feb 4;15(1):4253. doi: 10.1038/s41598-024-84303-5.

DOI:10.1038/s41598-024-84303-5
PMID:39905018
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11794428/
Abstract

This article presents the numerical analysis of architected metal/polymer-based interpenetrating phase composites (IPCs) to study their effective mechanical properties and dynamic behavior using finite element (FE) simulation. In this, we considered four types of Triply periodic minimal surfaces (TPMS) and lattice architectures, including gyroid, primitive, cubic, and octet, to form architected IPCs. The aluminum alloy is used for the TPMS/lattice reinforcing phase, and epoxy as a reinforced phase. The periodic boundary conditions were applied using FE analysis to compute the effective properties, while these properties were utilized to investigate the dynamic analysis of composite structures considering free vibration, wherein actual and homogenized models are compared. Our results reveal that the effective properties of IPCs increase with respect to the volume fraction of respective architectures in conjunction with enhanced natural frequency and less deformation. Moreover, we conducted a comparative study between these newly architected metal/polymer IPCs and conventional composites.

摘要

本文介绍了基于金属/聚合物的互穿相复合材料（IPC）的数值分析，以使用有限元（FE）模拟研究其有效力学性能和动态行为。在此，我们考虑了四种类型的三重周期极小曲面（TPMS）和晶格结构，包括类金刚石结构、原始结构、立方结构和八面体结构，以形成结构化IPC。铝合金用于TPMS/晶格增强相，环氧树脂作为增强相。使用有限元分析应用周期性边界条件来计算有效性能，同时利用这些性能研究考虑自由振动的复合结构的动态分析，其中比较了实际模型和均匀化模型。我们的结果表明，IPC的有效性能随着各自结构的体积分数增加而提高，同时固有频率提高且变形减小。此外，我们对这些新构建的金属/聚合物IPC与传统复合材料进行了比较研究。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/888b65a7f956/41598_2024_84303_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/c2a049562e98/41598_2024_84303_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/e338ac9dd2d8/41598_2024_84303_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/d7a80dcdc99a/41598_2024_84303_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/0bfe709c016e/41598_2024_84303_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/e09c999dfd17/41598_2024_84303_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/0abb5525ed09/41598_2024_84303_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/888b65a7f956/41598_2024_84303_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/c2a049562e98/41598_2024_84303_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/e338ac9dd2d8/41598_2024_84303_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/d7a80dcdc99a/41598_2024_84303_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/0bfe709c016e/41598_2024_84303_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/e09c999dfd17/41598_2024_84303_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/0abb5525ed09/41598_2024_84303_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/20e4/11794428/888b65a7f956/41598_2024_84303_Fig10_HTML.jpg

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