Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Karthik Ram Ramakrishnan"'
Autor:
Chantal Lewis, Burak Ogun Yavuz, Marco L. Longana, Jonathan P.-H. Belnoue, Karthik Ram Ramakrishnan, Carwyn Ward, Ian Hamerton
Publikováno v:
Journal of Composites Science, Vol 8, Iss 8, p 318 (2024)
Aligned discontinuous fibre-reinforced composites are becoming more popular because they have the potential to offer stiffness and strength comparable to their continuous counterparts along with better manufacturability. However, the modelling of hig
Externí odkaz:
https://doaj.org/article/4ce588a2807947ce8d85fdbf7883500c
Publikováno v:
Materials & Design, Vol 232, Iss , Pp 112162- (2023)
Laser powder bed fusion (L-PBF) of engineering thermoplastics is a well-established additive manufacturing technique. In this work, an experimental investigation of the tensile-shear behaviour of L-PBF processed polyamide-12 (PA12) is presented, with
Externí odkaz:
https://doaj.org/article/d29f636e18c447b1b0730cfd213dbc95
Impact damage resistance of novel adhesively bonded natural fibre composite – Steel hybrid laminates
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 5, Iss 1, Pp 29-43 (2022)
Synthetic fibre reinforcements are increasingly replaced with plant fibres but an improvement in the mechanical performance of biocomposites is required. Flax composite exhibits fibre failure and perforation even at low impact energies. This paper in
Externí odkaz:
https://doaj.org/article/7357124a5bd547d0ae3687770ed703c8
Publikováno v:
Materials & Design, Vol 213, Iss , Pp 110332- (2022)
The lightweight design of railway vehicle components using fiber reinforced polymers (FRPs) has become a research hotspot due to the strong need for energy saving and environmental protection. This paper aims to evaluate the impact damage behavior of
Externí odkaz:
https://doaj.org/article/012b1eec5a364a7990704895c7eacaa2
Publikováno v:
Composites Part C: Open Access, Vol 5, Iss , Pp 100157- (2021)
Natural fibre composites (NFC), such as flax fibre reinforced plastics are green material with good specific properties. Significant research is currently in progress to improve the mechanical properties and durability of these composites and to make
Externí odkaz:
https://doaj.org/article/c1e0ff8237ee42e983b90337c8af3516
Autor:
Sanna Siljander, Pasi Keinänen, Anna Räty, Karthik Ram Ramakrishnan, Sampo Tuukkanen, Vesa Kunnari, Ali Harlin, Jyrki Vuorinen, Mikko Kanerva
Publikováno v:
International Journal of Molecular Sciences, Vol 19, Iss 6, p 1819 (2018)
We present a detailed study on the influence of sonication energy and surfactant type on the electrical conductivity of nanocellulose-carbon nanotube (NFC-CNT) nanocomposite films. The study was made using a minimum amount of processing steps, chemic
Externí odkaz:
https://doaj.org/article/aaa83727397f466a8d45931d55758fbd
Autor:
Antonio Pellegrino, Nik Petrinic, Gustavo Quino, Yanhong Chen, Karthik Ram Ramakrishnan, Giuseppe Zumpano, Francisca Martinez-Hergueta
Publikováno v:
Quino, G, Chen, Y, Ramakrishnan, K R, Martínez-Hergueta, F, Zumpano, G, Pellegrino, A & Petrinic, N 2021, ' Speckle patterns for DIC in challenging scenarios : Rapid application and impact endurance ', Measurement Science and Technology, vol. 32, no. 1, 015203 . https://doi.org/10.1088/1361-6501/abaae8
Digital image correlation (DIC) is a widely used technique in experimental mechanics for full field measurement of displacements and strains. The subset matching based DIC requires surfaces containing a random pattern. Even though there are several t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ed2f10bfddea30163dbd53ec0e15b4f
https://doi.org/10.1088/1361-6501/abaae8
https://doi.org/10.1088/1361-6501/abaae8
Publikováno v:
Nanotechnology reviews
Li, J, Zhang, Z, Fu, J, Liang, Z & Ramakrishnan, K R 2021, ' Mechanical properties and structural health monitoring performance of carbon nanotube-modified FRP composites : A review ', Nanotechnology Reviews, vol. 10, no. 1, pp. 1438-1468 . https://doi.org/10.1515/ntrev-2021-0104
Nanotechnology Reviews, Vol 10, Iss 1, Pp 1438-1468 (2021)
Li, J, Zhang, Z, Fu, J, Liang, Z & Ramakrishnan, K R 2021, ' Mechanical properties and structural health monitoring performance of carbon nanotube-modified FRP composites : A review ', Nanotechnology Reviews, vol. 10, no. 1, pp. 1438-1468 . https://doi.org/10.1515/ntrev-2021-0104
Nanotechnology Reviews, Vol 10, Iss 1, Pp 1438-1468 (2021)
Fiber-reinforced polymer composites are high-performance materials used extensively in aerospace and defense industries. Researchers have added various nanoscale materials to FRPs for improving their mechanical properties and to prepare multifunction
Publikováno v:
Structural Health Monitoring. 20:1997-2012
Structural health monitoring techniques based on vibration parameters have been used to assess the internal delamination damage of fiber-reinforced polymer composites. Recently, machine learning algorithms have been adopted to solve the inverse probl
Autor:
Evgeny V. Morozov, Karthik Ram Ramakrishnan, Krishna Shankar, Alan Fien, Caizheng Wang, Hongxu Wang
Publikováno v:
Mechanics of Advanced Materials and Structures. 28:1932-1947
In this study, we describe the development of a shell model-based macro-scale approach for a stainless steel 304 wire mesh using Hill’s yield criterion and elasto-plastic material behaviors. The co...