基于超高分子量聚乙烯和准晶体铝铜铁的原位聚合制备的组合物的摩擦学特性

IF 0.6 4区材料科学 Q4 CRYSTALLOGRAPHY

Crystallography Reports Pub Date : 2024-02-06 DOI:10.1134/S1063774523600886

A. A. Teplov, S. I. Belousov, L. A. Novokshonova, A. S. Zabolotnov, Yu. A. Abuzin, E. A. Golovkova, S. V. Krasheninnikov, E. K. Golubev, A. I. Buzin, P. V. Dmitryakov, E. V. Kukueva

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引用次数: 0

摘要

摘要--通过原位聚合制备了添加 2.24、5 和 8.1 wt % 准晶 Al-Cu-Fe 合金的超高分子量聚乙烯 (UHMWPE) 复合材料样品。研究人员进行了摩擦和磨损测试，研究了物理机械拉伸性能，并使用差示扫描量热法和热重分析法研究了热物理性能。通过扫描电子显微镜研究了受摩擦和未受摩擦的复合材料样品的表面形态。研究发现，添加 2.24 wt % 的准晶 Al-Cu-Fe 填料可改善超高分子量聚乙烯的摩擦学特性：在负载为 50 N 和摩擦持续时间为 8 小时的条件下，磨损降低了 3 倍，摩擦系数降低了 20%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Tribological Properties of Compositions Prepared by In Situ Polymerization, Based on Ultrahigh Molecular-Weight Polyethylene and Quasicrystalline Al–Cu–Fe

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Tribological Properties of Compositions Prepared by In Situ Polymerization, Based on Ultrahigh Molecular-Weight Polyethylene and Quasicrystalline Al–Cu–Fe

Samples of composites of ultra-high molecular-weight polyethylene (UHMWPE) with addition of 2.24, 5, and 8.1 wt % quasicrystalline Al–Cu–Fe alloy have been prepared by in situ polymerization. Friction and wear tests are performed, the physico-mechanical tensile properties are studied, and the thermophysical properties are investigated using differential scanning calorimetry and thermogravimetric analysis. The surface morphology of composite samples, both subjected and not subjected to friction, has been investigated by scanning electron microscopy. It is found that addition of a quasicrystalline Al–Cu–Fe filler in amount of 2.24 wt % improves the tribological characteristics of UHMWPE: under a load of 50 N and at friction duration of 8 h, the wear decreases by a factor of 3, and the friction coefficient decreases by 20%.

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来源期刊

Crystallography Reports 化学-晶体学

CiteScore

1.10

自引率

28.60%

发文量

审稿时长

4-8 weeks

期刊介绍： Crystallography Reports is a journal that publishes original articles short communications, and reviews on various aspects of crystallography: diffraction and scattering of X-rays, electrons, and neutrons, determination of crystal structure of inorganic and organic substances, including proteins and other biological substances; UV-VIS and IR spectroscopy; growth, imperfect structure and physical properties of crystals; thin films, liquid crystals, nanomaterials, partially disordered systems, and the methods of studies.