This paper evaluates the performances of dry, minimum quantity lubrication (MQL), and MQL with nanofluid conditions in turning of the most common titanium (Ti) alloy, Ti-6Al-4 V, in a solution treated and aged (STA) microstructure. In particular, the nanofluid evaluated here is vegetable (rapeseed) oil mixed with small concentrations of exfoliated graphite nanoplatelets (xGnPs). This paper focuses on turning process that imposes a challenging condition to apply the oil or nanofluid droplets directly onto the tribological surfaces of a cutting tool due to the uninterrupted engagement between tool and work material during cutting. A series of turning experiments was conducted with uncoated carbide inserts, while measuring the cutting forces with a dynamometer under the dry, MQL and MQL with nanofluid conditions supplying oil droplets externally from our MQL device. The inserts are retrieved intermittently to measure the progress of flank and crater wear using a confocal microscopy. This preliminary experimental result shows that MQL and in particular MQL with the nanofluid significantly improve the machinability of Ti alloys even in turning process. However, to attain the best performance, the MQL conditions such as nozzle orientation and the concentration of xGnP must be optimized.
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August 2019
Research-Article
Wear Performance Evaluation of Minimum Quantity Lubrication With Exfoliated Graphite Nanoplatelets in Turning Titanium Alloy
Dinh Nguyen,
Dinh Nguyen
Mechanical Engineering,
1449 Engineering Research Court Room A100,
East Lansing, MI 48824
e-mail: sondinh@egr.msu.edu
Michigan State University
,1449 Engineering Research Court Room A100,
East Lansing, MI 48824
e-mail: sondinh@egr.msu.edu
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Phi-Ho Lee,
Phi-Ho Lee
Department of 3D Printing,
156, Gajeongbuk-Ro, Yuseong-Gu,
Daejeon 34103,
e-mail: pilho_lee@kimm.re.kr
Korea Institute of Machinery and Materials
,156, Gajeongbuk-Ro, Yuseong-Gu,
Daejeon 34103,
Republic of Korea
e-mail: pilho_lee@kimm.re.kr
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Yang Guo,
Yang Guo
Mechanical Engineering,
428 S. Shaw Lane, Room 2457,
East Lansing, MI 48824
e-mail: yguo@egr.msu.edu
Michigan State University
,428 S. Shaw Lane, Room 2457,
East Lansing, MI 48824
e-mail: yguo@egr.msu.edu
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Kyung-Hee Park,
Kyung-Hee Park
Manufacturing System R&D Department,
89 Yanagdaegiro-gil, Ipjang-myeon,
Seobuk-gu, Cheonan 331-825, Chungcheongnam-do,
e-mail: kpark@kitech.re.kr
Korea Institute on Industrial Technology
,89 Yanagdaegiro-gil, Ipjang-myeon,
Seobuk-gu, Cheonan 331-825, Chungcheongnam-do,
South Korea
e-mail: kpark@kitech.re.kr
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Patrick Kwon
Patrick Kwon
1
Mechanical Engineering,
428 S. Shaw Lane, Room 2555,
East Lansing, MI 48824
e-mail: pkwon@egr.msu.edu
Michigan State University
,428 S. Shaw Lane, Room 2555,
East Lansing, MI 48824
e-mail: pkwon@egr.msu.edu
1Corresponding author.
Search for other works by this author on:
Dinh Nguyen
Mechanical Engineering,
1449 Engineering Research Court Room A100,
East Lansing, MI 48824
e-mail: sondinh@egr.msu.edu
Michigan State University
,1449 Engineering Research Court Room A100,
East Lansing, MI 48824
e-mail: sondinh@egr.msu.edu
Phi-Ho Lee
Department of 3D Printing,
156, Gajeongbuk-Ro, Yuseong-Gu,
Daejeon 34103,
e-mail: pilho_lee@kimm.re.kr
Korea Institute of Machinery and Materials
,156, Gajeongbuk-Ro, Yuseong-Gu,
Daejeon 34103,
Republic of Korea
e-mail: pilho_lee@kimm.re.kr
Yang Guo
Mechanical Engineering,
428 S. Shaw Lane, Room 2457,
East Lansing, MI 48824
e-mail: yguo@egr.msu.edu
Michigan State University
,428 S. Shaw Lane, Room 2457,
East Lansing, MI 48824
e-mail: yguo@egr.msu.edu
Kyung-Hee Park
Manufacturing System R&D Department,
89 Yanagdaegiro-gil, Ipjang-myeon,
Seobuk-gu, Cheonan 331-825, Chungcheongnam-do,
e-mail: kpark@kitech.re.kr
Korea Institute on Industrial Technology
,89 Yanagdaegiro-gil, Ipjang-myeon,
Seobuk-gu, Cheonan 331-825, Chungcheongnam-do,
South Korea
e-mail: kpark@kitech.re.kr
Patrick Kwon
Mechanical Engineering,
428 S. Shaw Lane, Room 2555,
East Lansing, MI 48824
e-mail: pkwon@egr.msu.edu
Michigan State University
,428 S. Shaw Lane, Room 2555,
East Lansing, MI 48824
e-mail: pkwon@egr.msu.edu
1Corresponding author.
Manuscript received September 13, 2018; final manuscript received May 23, 2019; published online June 13, 2019. Assoc. Editor: Tugrul Ozel.
J. Manuf. Sci. Eng. Aug 2019, 141(8): 081006 (8 pages)
Published Online: June 13, 2019
Article history
Received:
September 13, 2018
Revision Received:
May 23, 2019
Accepted:
May 23, 2019
Citation
Nguyen, D., Lee, P., Guo, Y., Park, K., and Kwon, P. (June 13, 2019). "Wear Performance Evaluation of Minimum Quantity Lubrication With Exfoliated Graphite Nanoplatelets in Turning Titanium Alloy." ASME. J. Manuf. Sci. Eng. August 2019; 141(8): 081006. https://doi.org/10.1115/1.4043899
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