Boosting thermal conductivity and tribological performance of polyarylene ether nitrile synergistically by fabricating SiCws-BNNS multidimensional networks

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2025-03-27 DOI:10.1016/j.compositesa.2025.108888

Liang He , Jinghui Zhang , Yu Zheng , Shuning Liu , Xiaobo Liu , Lifen Tong

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引用次数: 0

Abstract

High-end electronic materials need reliable thermal and friction resistance. Here, a self-lubricating and highly thermally conductivity polyarylene ether nitrile (PEN) composite was prepared by surface optimization strategy combined multidimensional network. One-dimensional SiC whiskers (SiCws) and two-dimensional BN nanosheets (BNNS) nanoparticles were modified using modified layers formed by in-situ polymerization of PDA and PEI to obtain SiCws-BNNS@PDA-PEI heterostructure fillers with multifunctionality. Then, PEN-based composite films were fabricated by investigating different phase species and filling ratios. The results show that thermal conductivity of multi-component PEN/SiCws-BNNS@PDA-PEI (2.92 W/m.K) composite is 189.11 % higher than that of pure PEN, and coefficient of friction (0.17) and specific wear rate (1.28 × 10⁻⁵ mm^3/(N.m) are 45.16 % and 87.57 % lower than pure PEN respectively. And, correlation between thermal and friction behavior is explained.

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高端电子材料需要可靠的耐热性和耐摩擦性。本文采用表面优化策略，结合多维网络，制备了一种自润滑、高导热性的聚芳醚腈（PEN）复合材料。利用 PDA 和 PEI 原位聚合形成的改性层对一维 SiC 晶须（SiCws）和二维 BN 纳米片（BNNS）纳米颗粒进行改性，得到具有多功能性的 SiCws-BNNS@PDA-PEI 异质结构填料。然后，通过研究不同的相种类和填充比例，制备了基于 PEN 的复合薄膜。结果表明，多组分 PEN/SiCws-BNNS@PDA-PEI 复合材料的导热系数（2.92 W/m.K）比纯 PEN 高 189.11 %，摩擦系数（0.17）和比磨损率（1.28 × 10-5 mm3/（N.m））分别比纯 PEN 低 45.16 % 和 87.57 %。此外，还解释了热行为和摩擦行为之间的相关性。

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.