Design of multi-interfacial porous CuAlMn/Polymer composites and damping performance analysis with nested three-phase model

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2025-05-31 DOI:10.1016/j.compositesa.2025.109031

Teng Li , Hangchen Xu , Yuxuan Cheng , Zhaohan Jiang , Xinhui Cao , Liuxiong Luo , Shen Gong , Zhou Li

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引用次数: 0

Abstract

In this study, a novel porous CuAlMn/(NiTi + NiTiPt@CNT/SA aerogel)/polymer multi-interface composite material was developed, combining lightweight properties with exceptional damping performance through the integration of hierarchical interfaces at macroscopic, mesoscopic, and microscopic scales. The composite was fabricated through a multistep process where various intrinsic and interfacial damping mechanisms are introduced. The sample with 0.5 wt% NiTiPt@CNT exhibited a low density of 2.33 g/cm³ and achieved a peak loss factor of 0.6694 — 2.88 times higher than the control sample (Cu_NiTi+SA_P) and 1.78 times greater than composites with unmodified CNT — along with a storage modulus exceeding 1500 MPa. A nested three-phase model, integrated with energy-based loss factor calculation method, was developed to uncover the underlying damping mechanisms in multi-interface composites. The calculated results show high accuracy with experimental data. Through a detailed decomposition of damping sources, interfacial dissipation was identified as the key contributor (76%) to the composite’s damping behavior. Additionally, the influence of different material parameters on the further optimization of damping performance was explored. This research offers both a theoretical foundation and practical guidance for the development and design of high-performance damping materials.

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多界面多孔CuAlMn/Polymer复合材料设计及嵌套三相模型阻尼性能分析

在本研究中，开发了一种新型多孔CuAlMn/（NiTi + NiTiPt@CNT/SA气凝胶）/聚合物多界面复合材料，通过在宏观、介观和微观尺度上整合分层界面，将轻质性能与优异的阻尼性能结合在一起。该复合材料是通过多步骤工艺制备的，其中引入了各种本征和界面阻尼机制。含有0.5 wt% NiTiPt@CNT的复合材料密度为2.33 g/cm3，峰值损耗系数为0.6694 ~ 2.88倍，是未改性CNT -复合材料的1.78倍，存储模量超过1500 MPa。建立了一个嵌套三相模型，结合基于能量的损失因子计算方法，揭示了多界面复合材料的潜在阻尼机制。计算结果与实验数据吻合较好。通过对阻尼源的详细分解，界面耗散被确定为复合材料阻尼行为的关键贡献者（76%）。此外，还探讨了不同材料参数对进一步优化阻尼性能的影响。本研究为高性能阻尼材料的开发和设计提供了理论基础和实践指导。

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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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.