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首页> 外文期刊>Journal of Materials Engineering and Performance >Friction and Wear of Nanoadditive-Based Biolubricants in Steel-Steel Sliding Contacts: A Comparative Study
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Friction and Wear of Nanoadditive-Based Biolubricants in Steel-Steel Sliding Contacts: A Comparative Study

机译：钢钢滑动触点纳米载体基润滑剂的摩擦和磨损：比较研究

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摘要

The present work deals with the study of tribo-pair interaction in lubricated sliding contacts. By considering the environmental issues, the sunflower oil was extracted from the sunflower seeds and used as a base lubricant. The two types of the nanoadditives, i.e., CuO and CeO2, varying concentrations from 0.10 to 0.50% w/v were used to formulate the nanolubricants. The compatibility/synergism of the nanoadditives was examined from antifriction and antiwear behavior study with four-ball tester. Also, sunflower oil was modified by the chemical method to improve its fatty acid structure. A comparative tribological and compatibility study was also done in modified oil at similar concentration levels with both types of nanoparticles. The tribological test result exhibits 0.10% w/v concentration of the nanoadditive as optimum due to lowest wear scar and coefficient of friction. Higher concentration of the nanoparticles impaired the base oil performance. Different analytical tools were used to characterize the oil modification and worn surfaces. Moreover, the role of subsurface of the contacting material with the tribological performance has been reported.
机译：本工作涉及润滑滑动触点中的摩擦交互的研究。通过考虑环境问题，从向日葵种子中提取了向日葵油并用作碱润滑剂。纳米载dives的两种类型，即CuO和CeO 2，从0.10至0.50％w / v的不同浓度用于配制纳米磺酸。用四球测试仪的抗磨费和抗磨行为研究检查了纳米碳的兼容性/协同作用。此外，通过化学方法改性葵花籽油以改善其脂肪酸结构。在与两种类型的纳米颗粒中的类似浓度水平的改性油中也进行了比较的摩擦学和相容性研究。由于耐磨性瘢痕和摩擦系数，摩擦学检测结果表现出0.10％w / v浓度为最佳纳米碳压性。纳米粒子较高浓度损害了基础油性能。使用不同的分析工具来表征油改性和破旧的表面。此外，已经报道了与摩擦学表现的接触材料地下的作用。

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