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K P, Prashanth
- Effect of percentage of reinforcement particulates on the corrosion behaviour of aluminium boron carbide composites
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Authors
Affiliations
1 Department of Mechanical Engineering, Acharya Institute of Technology, Bengaluru, IN
2 Department of Automobile Engineering, Acharya Institute of Technology, Bengaluru, IN
3 Department of Mechanical Engineering, Alva’s Institute of Engineering and Technology, Moodabidire, REVA University, Bangalore, IN
1 Department of Mechanical Engineering, Acharya Institute of Technology, Bengaluru, IN
2 Department of Automobile Engineering, Acharya Institute of Technology, Bengaluru, IN
3 Department of Mechanical Engineering, Alva’s Institute of Engineering and Technology, Moodabidire, REVA University, Bangalore, IN
Source
Journal of Mines, Metals and Fuels, Vol 69, No 12A (2021), Pagination: 250-254Abstract
Aluminum based composites are generally used to build marine structures and liquid cargo containers because of its high strength and low weight. In the present investigation, the corrosion behaviour of B4C particle reinforced Al-6061 alloy has been studied. The aluminumboron carbide composite were prepared using stir casting method by varying percentage of reinforcement from 6 to 12% in steps of 2%. Salt spray method was adopted to investigate the corrosion behaviour of the composite. The test was conducted for a period of 240 hours and for every 48 hours the weight loss of the specimens was measured. The extent of corrosion was measured by using weight loss method. The results showed that the corrosion resistance of the composite decreases with the increase in the percentage of boron carbide particulates. The optical microscope was used to analyze the corroded surfaces and corrosion mechanism. The pit initiation side tends to the possibility of the accuracy corrosion on the interface between the hard reinforced particles and matrix alloy.Keywords
Corrosive, stir casting, aluminum alloy, boron carbide, metal matrix composites.References
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- Gopal Krishna U B, Sreenivas Rao K V, and Vasudeva B, (2012): International Journal of Mechanical Engineering and Robotics Research, Vol.1, No.3, pp. 290-295, October.
- Investigation on thermal stability and adhesion property of chitosan based biodegradable composite
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Authors
Affiliations
1 Department of Automobile Engineering, Acharya Institute of Technology, Bengaluru, IN
2 School of Mechanical Engineering, REVA University, Bengaluru, IN
3 Department of Mechanical Engineering, Acharya Institute of Technology,Bengaluru, IN
4 Department of Mechanical Engineering, University Visvesvaraya College of Engineering, Bangalore University, Bengaluru, IN
1 Department of Automobile Engineering, Acharya Institute of Technology, Bengaluru, IN
2 School of Mechanical Engineering, REVA University, Bengaluru, IN
3 Department of Mechanical Engineering, Acharya Institute of Technology,Bengaluru, IN
4 Department of Mechanical Engineering, University Visvesvaraya College of Engineering, Bangalore University, Bengaluru, IN
Source
Journal of Mines, Metals and Fuels, Vol 69, No 12A (2021), Pagination: 290-295Abstract
Developing a biodegradable polymer composite by using chitosan as matrix and natural fiber as reinforcement plays a vital role in order to increase mechanical properties. Chitosan has been exploited for its mucoadhesvie property which has tremendous biomedical applications in order to explore the mechanical and thermal capability. This study initialized with manufacturing of chitosan-based composite with three different natural fibers namely banana, coir, and sisal. The results of the incorporation of natural fibers with chitosan on the strength of composite blends were investigated. Further the prepared sample undergone Thermo gravimetric analysis and peel test to evaluate their thermal stability and adhesive property. The results indicate that the chitosan improves the thermal property of composites, whereas the increasing percentage of chitosan in peel test sample gets saturated hence the adhesive property gets deteriorate.Keywords
Chitosan, TGA, peel test, biodegradable polymer, natural fibers.References
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- Grz¹bka-Zasadziñska, A., Amietszajew, T. and Borysiak, S. (2017): Thermal and mechanical properties of chitosan nanocomposites with cellulose modified in ionic liquids. Journal of Thermal Analysis and Calorimetry, 130(1), 143-154.
- Raghavendra Rao R, S. Pradeep, C.K. Yogish, Nikhil R., Geetanjali Patil. (2019): Studies on Mechanical Properties of Ultra High Molecular Weight Poly Ethylene (UHMWPE)-Basalt Fiber Reinforced Hybrid Polymer Matrix Composite. Journal of Polymer and Composites. 7(3), 8-19. https://doi.org/10.37591/ jopc.v7i3.3441
- Venkatesha, B. K., Pramod Kumar, S. K., Saravanan, R., & Ishak, A. (2020): Tension Fatigue Behaviour of Woven Bamboo and Glass Fiber Reinforced Epoxy Hybrid Composites. IOP Conference Series: Materials Science and Engineering,1003 0120187 https:// doi.org/10.1088/1757-899x/1003/1/012087.
- Prashanth, K.P. and Hanumantharaju, H.G. (2018): Characterization and Analysis of Polymers Used as Artificial Skin. Materials Today Proceedings, 5(1), pp.2488-2495. https://doi.org/10.1016/j.matpr. 2017.11.030
- Venkatesha, B. K. and Saravanan, R. (2020): Effect of Cenosphere Addition on Mechanical Properties of Bamboo and E-Glass Fiber Reinforced Epoxy Hybrid Composites. International Journal of Vehicle Structures and Systems, 12(4), 447–451. https:// doi.org/10.4273/ijvss.12.4.18
- Sandeep, K.N., Shadakshari, R. and Prashanth, K.P., (2019): Mechanical and Barrier Properties of Biodegradable Films Made from Chitosan and Natural Fiber Blends, 7(5).
- Prashanth K.P. and Hanumantharaju, H.G., (2018): Preparation and Characterization Study of Chitosanbanana Fiber Polymer Composite for Packaging and Tissue Designing. Manufacturing Technology Today, 17(9), pp.3-9.
- Venkatesha, B. K., Saravanan R. and Anand Babu, K. (2021): Effect of Moisture Absorption on Woven Bamboo/Glass Fiber Reinforced Epoxy Hybrid Composites, Materials Today Proceedings, 45 (part 1), 216-221. https://doi.org/10.1016/j.matpr.2020.10.421
- Hanumantharaju, H.G., Shivanand, H.K., Prashanth, K.P., Kumar, K.S. and Jagadish, S.P., (2012): Study on hydroxyapatite coating on biomaterials by plasma spray method. International Journal of Engineering Science and Technology 4(9)
- Predicting the Effective Properties of Unidirectional Composites Through Numerical Simulation
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Authors
Affiliations
1 Department of Mechanical Engineering, Acharya Institute of Technology, Bengaluru, India., IN
2 Department of Industrial Engineering & Management, Siddaganga Institute of Technology, Tumakuru, Karnataka, India 572104., IN
1 Department of Mechanical Engineering, Acharya Institute of Technology, Bengaluru, India., IN
2 Department of Industrial Engineering & Management, Siddaganga Institute of Technology, Tumakuru, Karnataka, India 572104., IN
Source
Journal of Mines, Metals and Fuels, Vol 71, No 2 (2023), Pagination: 267-276Abstract
The Mechanical properties of composites are fundamental for the design of fiber composite structures. A new finite element analysis (FEA) technique is established to determine the effective properties of composite materials. The technique involves finite element analysis of Representative Volume Element (RVE). The boundary condition plays an important role in the analysis of composite RVE. It is important to predict the correct boundary conditions (BCs) to be applied on RVE before the analysis of composite RVE. In order for the deformation in RVE to accurately reflect the deformation within the composite structure, the BCs must be suitable. The appropriate boundary conditions to be applied are determined in this study using FE analysis of isotropic RVE. The composite RVE is subjected to the thusly acquired boundary conditions, and the resulting material property along that direction is given a unit displacement along the necessary direction. Averaging the stress -strain fields generated from the analysis yields the effective properties of unidirectional fibre reinforced composite material.Keywords
Representative Volume Element, Finite Element Analysis, Isotropic, Composites; Stress.References
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