Qualification: 
M.Tech, BE
s_mohankumar@blr.amrita.edu

Mohan Kumar S. is currently working as Assistant Professor (Sr. Gr.), Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Bengaluru, and pursing his Ph. D. from Visvesvaraya Technological University Belgaum, India. 

Qualification

YEAR DEGREE UNIVERSITY
Currently Pursuing Ph. D. VTU, Belgaum 
2010 M. Tech.  VTU, Belgaum
2008 B. E. VTU, Belgaum

Publications

Publication Type: Journal Article

Year of Publication Title

2019

Shashi Kumar M. E., S. Mohan Kumar, and V., R. Kumar, “Effect of Cryogenic Treatment on Bisphenol Based Polymer Composite on Mechanical Properties”, International Journal of Recent Technology and Engineering, vol. 8, no. 3, pp. 2413-2420., 2019.[Abstract]


Presently there are lot of materials that can be used in the fabrication of any item, so choosing a material is a major criteria. So the materials are chosen depending on the properties desired by the resulting item. The composite materials have better properties when compared with its individual components, metals and ceramics. The overall appeal of the product depends mainly on its durability, aesthetics and its final cost. Composite materials are cost effective and significantly satisfy the needs of the clients. By utilizing composite materials we can obtain high strength to weight ratio at a relatively economical cost. Moreover, they can be produced easily by basic part forming. Hybrid polymer composites have been studied of late which improves a specific property of the composite that is under question. Here a hybrid composite made of laminate of Nomex and HS glass sheets with varying percentage (1% - 2.5 %) of bisphenol dispersed in resin is prepared. The same samples were subjected to cryogenic treatment (24 hrs and 72 hrs). The results of tensile strength, flexural strength and hardness were compared for all the specimens 24 hrs cryogenic, 72hrs cryogenic and non-treated specimens. The results showed that the hardness of the cryogenic treated bisphenol based PMCs has increased with the weight percentage of Bisphenol indicating the fact that the laminates can withstand more loads at subzero temperatures The increase observed was about 3 – 4 % more in terms of BHN number. At the same time the tensile and flexural strengths have considerably reduced after treating the PMC cryogenically as the laminates becomes more brittle when treated. The tensile strength increased by about 10% approximately and the flexural strength reduced by 300%

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Publication Type: Conference Paper

Year of Publication Title

2017

S. Mohan Kumar, Pramod, R., and Govindaraju, H. K., “Evaluation of Mechanical and Wear Properties of Aluminium AA430 Reinforced with SiC and Mgo”, in Materials Today: Proceedings, 2017, vol. 4, pp. 509-518.[Abstract]


Aluminum metal matrix composites (MMC's) are very widely used for several different applications like Aerospace, Automotive and Marine industries owing to their unique properties. While fabricating Hybrid MMC's using stir casting technique several technical challenges exist like achieving a uniform distribution of reinforcement within the matrix during stir casting which affects material behavior. Aluminum (AA 443.0) and SiC + MgO has been chosen as matrix and reinforcement material respectively. Experiments have been conducted by varying weight fraction of SiC + MgO (2.5%, 5% and 7.5%) while keeping all other parameters constant. An increasing trend of hardness and tensile strength with increase in weight percentage of SiC+MgO has been observed. The results also reveal that the wear rate of the test specimen's increase with the increasing load and sliding distance. The coefficient of friction slightly decreased with increasing volume content of reinforcement. © 2017 Elsevier Ltd. All rights reserved.

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2014

S. Mohan Kumar, ,, and Shashi Kumar M. E., “Evaluation of Fracture Toughness and Mechanical Properties of Aluminum Alloy 7075, T6 with Nickel Coating”, in 12th Global Congress on Manufacturing and Management, 2014.