设计PEEK复合材料：tib2改性体系的热、摩擦学和力学行为研究

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-10-02 DOI:10.1016/j.matlet.2025.139601

Siddheshvar Vilas Solunke , Kshitija Vaidya , Pulla Sammaiah , Balasubramanian Kandasubramanian , Satheesh Kumar Kondapart , Pankaj K. Bhujbal

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引用次数: 0

摘要

本研究考察了碳纤维（CF）和二硼化钛（TiB2）纳米颗粒（PEEK - CF + TiB2）增强的聚醚醚酮（PEEK）复合材料作为潜在的散热材料，其中高效散热是至关重要的。复合材料通过熔体混合制备，系统地改变TiB2的载荷和停留时间，然后对其热、力学和摩擦学响应进行综合评估。使用激光闪光法测量的热扩散率随着TiB2的加入而一致增加。摩擦学特性揭示了磨损率和摩擦系数的成分依赖变化，优化的分散使磨损率减半。Shore-D硬度最高可达91.3 HD，加工条件和填料含量的影响较大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Designing PEEK composites: A study of thermal, tribological, and mechanical behavior in TiB2-modified systems

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Designing PEEK composites: A study of thermal, tribological, and mechanical behavior in TiB2-modified systems

This study examines polyether ether ketone (PEEK) composites reinforced with carbon fiber (CF) and titanium diboride (TiB₂) nanoparticles (PEEK–CF + TiB₂) as prospective heat-sink materials, where efficient thermal dissipation is paramount. Composites were fabricated via melt mixing with systematically varied TiB₂ loadings and residence times, followed by comprehensive evaluation of their thermal, mechanical, and tribological responses. Thermal diffusivity, measured using the laser-flash method, increased consistently with TiB₂ incorporation. Tribological characterization revealed composition-dependent variations in wear rate and coefficient of friction, with optimized dispersion halving the wear rate. Shore-D hardness reached a maximum of 91.3 HD, highlighting the strong influence of processing conditions and filler content.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive