| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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De Silva, Anjali K. M.
Glasgow Caledonian University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024Flow curve approximation of high-strength aluminium alloys in heat-assisted forming processes
- 2023Micro embossing of graphite-based anodes for lithium-ion batteries to improve cell performancecitations
- 2022Comprehensive study on the influence of different pretreatment methods and structural adhesives on the shear strength of hybrid CFRP/aluminum jointscitations
- 2022Adhesively bonded CFRP/Al joints: influence of the surface pretreatment on corrosion during salt spray testcitations
- 2022Laser surface treatment of carbon fiber reinforced polymer using near-infrared laser wavelength with variated process parameterscitations
- 2022Influence of laser polishing on the material properties of aluminium L-PBF componentscitations
- 2022Individual process development of single and multi-material laser melting in novel modular laser powder bed fusion systemcitations
- 2021Laser polishing of Laser Powder Bed Fusion AlSi10Mg parts—influence of initial surface roughness on achievable surface qualitycitations
- 2021Prozessparameter-Abhängigkeiten im kontinuierlichen und gepulsten Laserbetriebsmodus beim Oberflächenpolieren von additiv gefertigten Aluminiumbauteilen (AlSi10Mg)citations
- 2020Laser-based surface treatment of CFRP and aluminum for adhesively bonded hybrid jointscitations
- 2017Material removal simulation for steel mould polishingcitations
- 2016Simulation of material removal in mould polishing for polymer optic replication
- 2014Synthesis, fabrication and mechanical characterization of reinforced epoxy and polypropylene composites for wind turbine bladescitations
- 2013The effect of ply waviness for the fatigue life of composite wind turbine bladescitations
- 2013Precision mould manufacturing for polymer opticscitations
- 2012Review of inspection and quality control techniques for composite wind turbine bladescitations
- 2007Part strength analysis of Shell Assisted Layer Manufacturing (SALM)
- 2006Process energy analysis for aluminium alloy and stainless steel in laser-assisted jet electrochemical machiningcitations
- 2005Enhancing the formability of aluminium components via temperature controlled hydroformingcitations
- 2004Modelling and experimental investigation of laser assisted jet electrochemical machiningcitations
- 2001Electroforming process and application to micro/macro manufacturingcitations
Places of action
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article
Laser surface treatment of carbon fiber reinforced polymer using near-infrared laser wavelength with variated process parameters
Abstract
In this study, the surface pretreatment of carbon fiber reinforced polymer with near-infrared laser radiation is investigated. Several primary and computable secondary laser parameters were varied to identify their influences and interactions. The generated surface structures were examined qualitatively and quantitatively using optical and electronic microscopes. To quantify the ablation behavior, depth measurements of the exposed and covered carbon fibers were performed on cross sections. A correlation analysis was applied to determine process parameters, which have an influence on the matrix and carbon fiber ablation. With regard to the detachment and removal of the matrix, it was shown that with a pulse overlap of 50% and a single pulse energy of 195–344 μJ or a laser energy density of 3–6 J/cm2, 70%–85% of the carbon fibers could be exposed with minimal damage or ablation of carbon fibers at the same time. With 90% pulse coverage, more matrix residues remain on the surface due to the melting of polyamide particles embedded in the matrix. These retain the detached matrix on the surface. To ablate these, more laser energy is necessary, which leads to a higher fiber damage and ablation. However, a completely damage-free processing could not be realized. It is also shown that the matrix layer thickness, the local carbon fiber density, and the resulting carbon fiber topography have an influence on the local matrix removal. Furthermore, the damage caused by processing, such as fiber breaks, cratering, and others, was recorded and described.