Experimental Investigation of Tribo-Corrosive Nature of Biodiesel and its Effect on Lubricating System
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Experimental Investigation of Tribo‑Corrosive Nature of Biodiesel and its Effect on Lubricating System Tushar Gupta1 · Biplab Bhattacharjee2 · Suvendu Mohanty2 · Ashis Acharjee1 · Prasun Chakraborti1 Received: 6 May 2020 / Revised: 3 August 2020 / Accepted: 20 August 2020 © Springer Nature Switzerland AG 2020
Abstract The population of the world is growing very rapidly, which results in the increasing demand of energy in the transportation sector and a precipitous diminution in the reserve of fossil fuel. The lack of alternatives for fossil fuel and the vulnerabilities of the environment encouraged many researchers to investigate biodiesel as the most promising fuel. Biodiesel diminishes the major environmental concerns and also it will fulfil the demand energy conservation and fuel. The present investigation has been carried out to study the effect of multiple parameters governing the tribo-corrosion behaviour of aluminium in the presence of biodiesel. Experiments were conducted with three types of oil, taking bio-oil as a composition to find out the effect of corrosion in the aluminium faces. A test rig was fabricated taking ASTM standard to perform morphological analysis of the sample, and a pin-on-disc test rig is used to execute standard wear testing of it. Localised melting was observed during the experiment for the last 30 s when a load was of 20 N at a speed of 4.2 m/s in the absence of any lubrication. But in the presence of lubrication, no such melting was observed due to lesser friction and whatever frictional heat generated was taken away by the contacting fluid. Further, the experimental study concludes that the corrosion rate was found much more in vapours as compared to the condition where samples are entirely immersed in biodiesel. Hence synergism of wear, friction, and corrosion related to this experimental study plays a vital role in the performance of biodiesel. Keywords Tribo-corrosion · Biodiesel · Aluminium material · Wear · Friction
1 Introduction The study of relative motion between the surfaces over one another is known as tribology. It generally includes three fundamental areas, such as friction, wear, and lubrication. Friction is describing as the resistance to relative motion due to which the loss of material, i.e. wear, will occur in mating parts. To diminish friction and wear, lubrication is required in the form of liquid and solid. The analysis of material consumption-related issues (in case of tribo-corrosive study) is necessary for developing a thorough understanding of the collective and individualised behaviour of corrosion and tribology with their simultaneous interactions to determine the level of wear and tear due to various tribological factors. * Biplab Bhattacharjee [email protected] 1
Mechanical Engineering Department, NIT Agartala, Jirania, Tripura, India
Production Engineering Department, NIT Agartala, Jirania, Tripura, India
2
Corrosion is a natural phenomenon that turns refined metals into more stable chemical forms, such as sulphides, oxides, or hy
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