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A comparative study on the tribological behavior of mono&proportional hybrid nanofluids for sustainable turning of AISI 420 hardened steel with cermet tools
Journal of Manufacturing Processes ( IF 6.2 ) Pub Date : 2021-12-02 , DOI: 10.1016/j.jmapro.2021.11.044
Çağrı Vakkas Yıldırım , Şenol Şirin , Turgay Kıvak , Murat Sarıkaya

The current study examines the influence of various mono and proportional hybrid nanofluids prepared with multi-walled carbon nanotube (MWCNT), alumina (Al2O3) and molybdenum disulphide (MoS2) on the performance of cermet tools in turning of AISI 420 hardened steel. First, mono-nanofluids were prepared using each nanoparticle separately (i.e., Al2O3, MWCNT and MoS2). Afterward, hybrid nanofluids were prepared at three different nanoparticle mixture ratios i.e., particle A:particle B of 1:1 (50 vol% + 50 vol%), particle A:particle B of 1:2 (33.34 vol% + 66.66 vol%), particle A:particle B of 2:1 (66.66 vol% + 33.34 vol%) in a constant volume concentration of 0.6%. Prepared nanofluids (nine different hybrid nanofluids and three different mono nanofluids) were cooperated with the MQL system and their effects on the machinability characteristics such as surface roughness, surface topography, temperature, tool flank wear, and wear mechanisms were investigated. The results were compared with dry and base-fluid MQL assisted cutting results. The surface roughness was decreased by 41.54%, 37.38% and 30.62% through Al2O3:MoS2 (2:1), Al2O3:MoS2 (1:2) and Al2O3:MoS2 (1:1) hybrid nanofluids compared to base fluid, respectively. It was found that different ratios of one more than nanoparticles have a significant effect on the synergistic effect. Based on the all experimental results, it can be concluded that it is necessary to optimize the nanoparticle ratios used in the preparation of hybrid nanofluids.



中文翻译:

用金属陶瓷刀具可持续车削 AISI 420 硬化钢的单比例混合纳米流体摩擦学行为的比较研究

目前的研究考察了由多壁碳纳米管 (MWCNT)、氧化铝 (Al 2 O 3 ) 和二硫化钼 (MoS 2 )制备的各种单一和比例混合纳米流体对金属陶瓷刀具在 AISI 420 硬化车削中的性能的影响钢。首先,分别使用每个纳米颗粒(即,Al 2 O 3、MWCNT 和 MoS 2)。之后,以三种不同的纳米颗粒混合比例制备混合纳米流体,即颗粒 A:颗粒 B 为 1:1(50 vol% + 50 vol%),颗粒 A:颗粒 B 为 1:2(33.34 vol% + 66.66 vol%) ),粒子 A:粒子 B 为 2:1 (66.66 vol% + 33.34 vol%),恒定体积浓度为 0.6%。制备的纳米流体(九种不同的混合纳米流体和三种不同的单纳米流体)与 MQL 系统配合,研究了它们对机械加工特性的影响,如表面粗糙度、表面形貌、温度、刀具后刀面磨损和磨损机制。将结果与干式和基液 MQL 辅助切割结果进行比较。通过Al 2 O 3 :MoS 2表面粗糙度降低了41.54%、37.38%和30.62%(2:1)、Al 2 O 3 :MoS 2 (1:2) 和 Al 2 O 3 :MoS 2 (1:1) 混合纳米流体分别与基液相比。发现不同比例的一多于纳米粒子对协同效应有显着影响。基于所有的实验结果,可以得出结论,有必要优化用于制备混合纳米流体的纳米颗粒比例。

更新日期:2021-12-02
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