PERFORMANCE IMPROVEMENT OF ECO-FRIENDLY MQL TECHNIQUE BY USING HYBRID NANOFLUID AND ULTRASONIC ASSISTED GRINDING

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RABIEI FARSHAD; RAHIMI ABDOLREZA; HADAD MOHAMADJAFAR

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:5 Page(s): 305-315

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Title

PERFORMANCE IMPROVEMENT OF ECO-FRIENDLY MQL TECHNIQUE BY USING HYBRID NANOFLUID AND ULTRASONIC ASSISTED GRINDING

Author(s)

RABIEI FARSHAD | RAHIMI ABDOLREZA | HADAD MOHAMADJAFAR | Issue Writer Certificate

Keywords

MINIMUM QUANTITY LUBRICATIONQ1

ULTRASONIC ASSISTED GRINDINGQ1

HYBRID NANOFLUIDQ1

GRINDING TEMPERATUREQ1

SURFACE QUALITYQ2

Abstract

MINIMUM QUANTITY LUBRICATION (=MQL) technique has many technological and economic advantages in grinding operation. It not only improves general grinding performance such as surface integrity, grinding forces and wheel wear, but also, it is an eco-friendly technique because of its low consumption of cutting fluid. Despite these advantages, MQL technique has a serious thermal problem in grinding operations due to small amount of cooling. To overcome this problem combination of HYBRID NANOFLUID and ultrasonic vibration has been suggested. Nanofluid can increase heat transfer from workpiece/wheel interface due to its high thermal conductivity. Also, ultrasonic machining can decrease heat generation due to its reciprocating mechanism and reduction of time and length of contact between grain and workpiece. In this research hybrid Multi Walled Carbon Nano Tubes (=MWCNT) (with high thermal conductivity) and Al2O3 (with good lubrication effect) nanofluid have been utilized. The results have shown that combination of MQL and UAG leads to decrease of maximum GRINDING TEMPERATURE up to 60.2% in comparison to dry grinding (from 254oC to 101oC). Moreover, friction coefficient and tangential grinding force have been reduced up to 35.9 and 69.2 percent respectively. Furthermore, no burning has been observed with combinations of these techniques while severe burning has been observed in dry grinding. Surface morphology analysis has shown decrease of plastic deformation and side flow. Finally, the generated chips have shown similarity of cutting mechanism in in the utilized techniques and conventional cutting fluids.

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APA: Copy

RABIEI, FARSHAD, RAHIMI, ABDOLREZA, & HADAD, MOHAMADJAFAR. (2017). PERFORMANCE IMPROVEMENT OF ECO-FRIENDLY MQL TECHNIQUE BY USING HYBRID NANOFLUID AND ULTRASONIC ASSISTED GRINDING. MODARES MECHANICAL ENGINEERING, 17(5 ), 305-315. SID. https://sid.ir/paper/179179/en

Vancouver: Copy

RABIEI FARSHAD, RAHIMI ABDOLREZA, HADAD MOHAMADJAFAR. PERFORMANCE IMPROVEMENT OF ECO-FRIENDLY MQL TECHNIQUE BY USING HYBRID NANOFLUID AND ULTRASONIC ASSISTED GRINDING. MODARES MECHANICAL ENGINEERING[Internet]. 2017;17(5 ):305-315. Available from: https://sid.ir/paper/179179/en

IEEE: Copy

FARSHAD RABIEI, ABDOLREZA RAHIMI, and MOHAMADJAFAR HADAD, “PERFORMANCE IMPROVEMENT OF ECO-FRIENDLY MQL TECHNIQUE BY USING HYBRID NANOFLUID AND ULTRASONIC ASSISTED GRINDING,” MODARES MECHANICAL ENGINEERING, vol. 17, no. 5 , pp. 305–315, 2017, [Online]. Available: https://sid.ir/paper/179179/en

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