Evaluation of modified jatropha-based oil with hexagonal boron nitride particle as a biolubricant in orthogonal cutting process

Evaluation of modified jatropha-based oil with hexagonal boron nitride particle as a biolubricant... Crude jatropha oil (CJO) has been acknowledged as an environmentally benign metalworking fluid (MWF) in the machining industry. However, one drawback found in CJO is that it has poor thermal-oxidative stability that leads to poor lubrication behavior. Henceforth, the objective of this study was to evaluate the machining performances of the newly developed modified jatropha oil (MJO) as a lubricant-based oil. The CJO was improvised through transesterification process at various molar ratios of jatropha methyl ester (JME) to trimethylolpropane (TMP) (MJO1, MJO3, and MJO5) and through the addition of various concentrations of hexagonal boron nitride (hBN) particles, ranging between 0.05 and 0.5 wt.%. The newly developed MJO were compared to CJO and synthetic ester (SE) by considering both viscous and tribological behaviors. In addition, the orthogonal cutting process was carried out on AISI 1045 through minimum quantity lubrication (MQL) methods to evaluate the machining performances (i.e., cutting force, cutting temperature, chip thickness, tool chip contact length, and specific energy). Interestingly, kinematic viscosity and viscosity index were improved with the increase in JME/TMP molar ratio and concentration of hBN particles. MJO5 added with 0.05 wt.% of hBN particles (MJO5a) exhibited the best tribological behavior correlated with excellent machining performances by reducing the cutting force, cutting temperature, chip thickness, tool chip contact length, and specific energy. MJO5a exemplified its potential on the lubricant market place with regard to the environmental concern and energy saving. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

Evaluation of modified jatropha-based oil with hexagonal boron nitride particle as a biolubricant in orthogonal cutting process

Evaluation of modified jatropha-based oil with hexagonal boron nitride particle as a biolubricant in orthogonal cutting process

Int J Adv Manuf Technol (2017) 92:371–391 DOI 10.1007/s00170-017-0148-x ORIGINAL ARTICLE Evaluation of modified jatropha-based oil with hexagonal boron nitride particle as a biolubricant in orthogonal cutting process 1 2 1 N. Talib & H. Sasahara & E. A. Rahim Received: 20 November 2016 /Accepted: 7 February 2017 /Published online: 24 February 2017 Springer-Verlag London 2017 Abstract Crude jatropha oil (CJO) has been acknowledged contact length, and specific energy. MJO5a exemplified its po- as an environmentally benign metalworking fluid (MWF) in tential on the lubricant market place with regard to the environ- the machining industry. However, one drawback found in mental concern and energy saving. CJO is that it has poor thermal-oxidative stability that leads . . to poor lubrication behavior. Henceforth, the objective of this Keywords Modified jatropha oil Biolubricant Hexagonal . . study was to evaluate the machining performances of the new- boron nitride Orthogonal cutting Minimum quantity ly developed modified jatropha oil (MJO) as a lubricant-based lubrication oil. The CJO was improvised through transesterification pro- cess at various molar ratios of jatropha methyl ester (JME) to trimethylolpropane (TMP) (MJO1, MJO3, and MJO5) and 1 Introduction through the addition of various concentrations of hexagonal boron nitride (hBN) particles, ranging between 0.05 and Machining process significantly involves high energy con- 0.5 wt.%. The newly developed MJO were compared to sumption to remove work material into a desired shape at CJO and synthetic ester (SE) by considering both viscous specific cutting conditions. The relative motion during ma- and tribological behaviors. In addition, the orthogonal cutting chining causes plastic deformation in which 99% of the ener- process was carried out on AISI 1045 through minimum quan- gy is converted into thermal energy and transferred into the tity lubrication (MQL) methods to evaluate the machining...
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Publisher
Springer London
Copyright
Copyright © 2017 by Springer-Verlag London
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-017-0148-x
Publisher site
See Article on Publisher Site

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