Ranking analysis of flyash – basalt fibre – polyamide 66 polymer composites based on the mechanical and sliding wear performance metrics using hybrid AHP-R method

Ravi Prakash Sharma, Mukesh Kumar, Ashiwani Kumar
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Abstract

This research work investigates the physical, mechanical, thermal, thermo-mechanical, and dry sliding wear characteristics of hybrid flyash particulates (F-class; 0 – 20 wt.% at the step of 5%)–basalt fibres (chopped; fixed 10 wt.%) reinforced polyamide 66 polymer composites fabricated using the twin screw extruder and injection moulding machine. Taguchi's design of experiment optimization approach is used for parameter optimization of the dry sliding wear process, followed by analysis of variance analysis. Further, the hybrid AHP-R method is used for ranking optimization based on the performance metrics. It is observed that the composition having 15 wt.% flyash particulates optimizes overall performance metrics, hence recommended for industrial parts fabrications. It has an experimental density of 1.23 g/cc, voids content of 5.93%, water absorption of 4.21%, tensile strength of 110.73 MPa, flexural strength of 146.72 MPa, Rockwell hardness of 62.44 HRM, fracture toughness of 4.17 MPa√m, impact strength of 2.06 J, the thermal conductivity of 1.24 W/mK, and specific wear rate of 7.55 × 10 −4 mm 3 /Nm. The overall subjective ranking of the hybrid polymer composites attunes with the objective ranking by the hybrid AHP-R method.
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基于力学和滑动磨损性能指标的粉煤灰-玄武岩纤维-聚酰胺66复合材料的混合层次分析法排名分析
本研究研究了混合粉煤灰颗粒(f级;0 - 20wt .%(步长为5%)-玄武岩纤维(切碎;固定10 wt.%)增强聚酰胺66聚合物复合材料采用双螺杆挤出机和注塑机制造。采用田口设计的实验优化方法对干滑动磨损过程进行参数优化,然后进行方差分析。此外,混合AHP-R方法用于基于性能指标的排名优化。可以观察到,含有15wt .%粉煤灰颗粒的组合物优化了整体性能指标,因此推荐用于工业零件制造。实验密度为1.23 g/cc,孔隙率为5.93%,吸水率为4.21%,抗拉强度为110.73 MPa,抗折强度为146.72 MPa,洛氏硬度为62.44 HRM,断裂韧性为4.17 MPa√m,冲击强度为2.06 J,导热系数为1.24 W/mK,比磨损率为7.55 × 10−4 mm 3 /Nm。利用杂化AHP-R方法,将杂化聚合物复合材料的总体主观排名与客观排名相协调。
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来源期刊
CiteScore
4.20
自引率
5.00%
发文量
110
审稿时长
6.1 months
期刊介绍: The Journal of Engineering Tribology publishes high-quality, peer-reviewed papers from academia and industry worldwide on the engineering science associated with tribology and its applications. "I am proud to say that I have been part of the tribology research community for almost 20 years. That community has always seemed to me to be highly active, progressive, and closely knit. The conferences are well attended and are characterised by a warmth and friendliness that transcends national boundaries. I see Part J as being an important part of that community, giving us an outlet to publish and promote our scholarly activities. I very much look forward to my term of office as editor of your Journal. I hope you will continue to submit papers, help out with reviewing, and most importantly to read and talk about the work you will find there." Professor Rob Dwyer-Joyce, Sheffield University, UK This journal is a member of the Committee on Publication Ethics (COPE).
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