Thermal imaging approach towards analyzing tribological response of UHMWPE-based hybrid nanocomposites

IF 2.4 3区化学 Q3 POLYMER SCIENCE

Iranian Polymer Journal Pub Date : 2023-08-26 DOI:10.1007/s13726-023-01222-4

Sri Ram Murthy Paladugu, P. S. Rama Sreekanth

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Abstract

Ultra high molecular weight polyethylene (UHMWPE) is a material used as joint replacement material. Rise in temperature is an inconsequential phenomenon due to the wearing joint and it is a concern that defines the performance and the wear phenomena. Current work is focused on understanding the influence of sudden increase in load and speed on wear behavior of UHMWPE composites by analyzing the temperature rise profile. A unique approach towards temperature generated at interface of sample and counterface (stainless steel 316-L and Zirconia) during the wear test on UHMWPE is analyzed at different load and speed conditions using thermal analyzer. Hardness and morphology characterizations were conducted on UHMWPE nanocomposites to observe the resistance to plastic deformation. Graphene-2D and Nanodiamond-0D were chosen as reinforcements. The temperature generated during load varying (20–80 N) and speed varying (1–1.67 m/s) conditions over 10 km. Wear studies on test samples revealed that wear volume of UHMWPE hybrid was reduced by 36 and 33% against 316-L and Zirconia discs because of greater inter-bonding. Gr had strongly influenced temperature profile because of high thermal conductivity. Surface morphology and topography of worn surfaces have been studied to understand the wear behavior. It is concluded that hybrid UHMWPE composite have superior wear performances at high loads and speeds. Correlating the results with thermal behavior would be a novel research in a relevant field.

Graphical Abstract

Abstract Image

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热成像方法分析超高分子量聚乙烯基杂化纳米复合材料的摩擦学响应

超高分子量聚乙烯（UHMWPE）是一种用作关节置换材料的材料。由于磨损接头，温度升高是一种无关紧要的现象，它是定义性能和磨损现象的一个问题。目前的工作重点是通过分析温度上升曲线来了解载荷和速度的突然增加对UHMWPE复合材料磨损行为的影响。使用热分析仪分析了在不同载荷和速度条件下对超高分子量聚乙烯进行磨损试验时，样品和反表面（不锈钢316-L和氧化锆）界面产生的温度的一种独特方法。对UHMWPE纳米复合材料进行了硬度和形貌表征，观察了其抗塑性变形性能。选用石墨烯-2D和纳米金刚石0D作为增强材料。负载变化（20–80 N）和速度变化（1–1.67 m/s）条件下10 km内产生的温度。对测试样品的磨损研究表明，由于更大的相互结合，UHMWPE杂化物相对于316-L和氧化锆圆盘的磨损量分别减少了36%和33%。Gr由于具有较高的导热性而对温度分布产生了强烈的影响。为了了解磨损行为，对磨损表面的表面形态和形貌进行了研究。结果表明，混合UHMWPE复合材料在高载荷、高转速下具有优异的耐磨性能。将结果与热行为相关联将是相关领域的一项新研究。图形摘要

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来源期刊

Iranian Polymer Journal 化学-高分子科学

CiteScore

4.90

自引率

9.70%

发文量

107

审稿时长

2.8 months

期刊介绍： Iranian Polymer Journal, a monthly peer-reviewed international journal, provides a continuous forum for the dissemination of the original research and latest advances made in science and technology of polymers, covering diverse areas of polymer synthesis, characterization, polymer physics, rubber, plastics and composites, processing and engineering, biopolymers, drug delivery systems and natural polymers to meet specific applications. Also contributions from nano-related fields are regarded especially important for its versatility in modern scientific development.