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S, Shivakumar
- Evaluation and Comparison of Fracture Toughness of Glass Fibre Reinforce Composites
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Authors
Affiliations
1 Faculty, School of Mechanical Engineering, REVA University, Bengaluru 560 064., IN
2 Faculty, Department of Mechanical Engineering, KLS Gogte Institute of Technology, Belagavi 590 006., IN
1 Faculty, School of Mechanical Engineering, REVA University, Bengaluru 560 064., IN
2 Faculty, Department of Mechanical Engineering, KLS Gogte Institute of Technology, Belagavi 590 006., IN
Source
Journal of Mines, Metals and Fuels, Vol 70, No 10A (2022), Pagination: 71-77Abstract
The study of the behaviour of a broken structure or component under service conditions is known as fracture mechanics. Impurities, uneven curing, holes and notches are all sources of fractures. Cracks are common local discontinuities in materials caused by a variety of factors. Such discontinuities cause the structure's rigidity and consequently load bearing capability to deteriorate. It is known that for the crack to propagate, the stress in the locale of the crack tip should reach the critical value. Once stress level is critical, the crack propagates and leads to failure of the structure. A segment of the crack is divided into three modes namely Mode I (Opening mode), Mode II (sliding mode), Mode III (tearing mode). The current study presents a computational and experimental study on fractography and notch sensitivity evaluation in glass-fiber-reinforced-laminate under quasi-static load. For both numerical and experimental damage assessments, three volume fractions of glass and resin plies (50/50, 60/40, and 70/30) have been used. The fracture toughness investigation was carried out in accordance with ASTM standards, utilising a universal testing equipment. The numerical study is conducted out using the J-integral approach. The fracture toughness increases with resin content and is determined by the ductility of the plastic zone surrounding the crack tip. Within an acceptable range, the numerical findings are equivalent to the experimental values. When compared to the other modes, Mode 1 is the fatal. The mode I fracture toughness of several materials is evaluated experimentally and compared in this study.
Keywords
Factors, Fracture Toughness, Reinforce Composites, Cracks, Numerical Findings, Delamination Test, Microstructure.
References
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- Finite Element Analysis of Hybrid Skin Sandwich Composite
Abstract Views :87 |
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Authors
Akhilesh Rao
1,
Niranjana S.J.
1,
Shivakumar S
1,
Kiran K
1,
Sharathchandra
2,
Naresh H
3,
Sampath H.P.
4
Affiliations
1 Department of Mechanical and Automobile Engineering, CHRIST University, Bangalore -560074, IN
2 Department of Mechanical Engineering, NMAM Institute of Technology, Nitte 574110, Karnataka, IN
3 Department of Mechanical Engineering, Siddaganga Institute of Technology, Tumkur 572103, Karnataka, IN
4 Department of Mechanical Engineering, VTU, Bangalore, Karnataka, IN
1 Department of Mechanical and Automobile Engineering, CHRIST University, Bangalore -560074, IN
2 Department of Mechanical Engineering, NMAM Institute of Technology, Nitte 574110, Karnataka, IN
3 Department of Mechanical Engineering, Siddaganga Institute of Technology, Tumkur 572103, Karnataka, IN
4 Department of Mechanical Engineering, VTU, Bangalore, Karnataka, IN
Source
Journal of Mines, Metals and Fuels, Vol 70, No 8A (2022), Pagination: 188-199Abstract
Sandwich structured composite is a particular classification in composite materials. This type of structure has been mainly used in recent studies because of its high specific strength, low density, and stiffness. It is increasingly more commonly employed in structural designs due to its features and performance. The sandwich composites used in this investigation are made of aluminium alloys and areca fibre. The sandwich composite’s face sheet comes in a variety of thicknesses. The adhesive skin layer is also varied to investigate the effect of using natural fibre. The sandwich composite is subjected to 3 point bend test. The modal analysis is investigated using the finite element method. The 3D model of sandwich composites is modelled using solid works 2020. Using Altair Hyper Works, the boundary conditions and meshing is carried out. ANSYS Mechanical APDL is used to analyse the sandwich composites. This investigation analyses the behaviour of composite sandwich beams.Keywords
Sandwich Structured Composite, Aluminium Alloy, Areca Fibre, ANSYS Mechanical APDL.References
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- S. J. Niranjanaa*, S. S. Kubsadb, S. Manjunathac, Y. Nagarajd, I. Bhavie , B. M. Angadie , A. J. Chamkhaf, M. B. Vanarottig,” Experimental Investigation and Numerical Simulation of Air Circulation in a Non-AC Bus Coach System”. International Journal of Engineering. IJE Transactions C: Aspects Vol. 35, No. 03, (March 2022) 572-579. Doi: 10.5829/ije.2022.35.03c.10. DOI: https://doi.org/10.5829/IJE.2022.35.03C.10
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- Design Optimization of Electrical Connector Assembly using FEA
Abstract Views :81 |
PDF Views:0
Authors
Affiliations
1 Department of Mechanical and Automobile Engineering, CHRIST University, Bangalore -560074, IN
1 Department of Mechanical and Automobile Engineering, CHRIST University, Bangalore -560074, IN
Source
Journal of Mines, Metals and Fuels, Vol 70, No 8A (2022), Pagination: 233-237Abstract
Due to the increasing number of devices and systems connected to an electric system, the need for reliable and high-quality electrical connectors has become more prevalent. This project aims to optimize the design of an electrical connector during its two most critical stages: insertion and retention of housing using FEA. A structural analysis is performed during the insertion and retention stages of housing. This process involves calculating the dimensional deformations and maximum strains developed during the steps mentioned above to determine the reliable functioning of electrical contacts. The input geometry is fed to the finite element analysis. The forces applied on the connector’s latch on their respective connection are ensured to be under the limit. The analysis and simulation results are reflected to validate the safe forces in the connector assembly and a proper justification for an experimental set up in the laboratory.Keywords
Electrical Connector, housing latch, ANSYS Mechanical APDLReferences
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- Beloufa, A. Design optimization of electrical power contact using finite element method. J Heat Trans: T ASME 2012. DOI: https://doi.org/10.1115/1.4004713
- Shravanabelagola Jinachandra N, Sadashivappa Kubsad S, Sarpabhushana M, Siddaramaiah S, Rajashekaraiah T. Modeling and computational fluid dynamic analysis on a non AC bus coach system. Heat Transfer. 2020; 1– 8. https://doi.org/10.1002/htj.21857. DOI: https://doi.org/10.1002/htj.21857
- S. J. Niranjanaa*, S. S. Kubsadb, S. Manjunathac, Y. Nagarajd, I. Bhavie , B. M. Angadie , A. J. Chamkhaf, M. B. Vanarottig,” Experimental Investigation and Numerical Simulation of Air Circulation in a Non-AC Bus Coach System”. International Journal of Engineering. IJE Transactions C: Aspects Vol. 35, No. 03, (March 2022) 572-579. Doi: 10.5829/ije.2022.35.03c.10. DOI: https://doi.org/10.5829/IJE.2022.35.03C.10