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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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Fatoba, O. S.
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Topics
Publications (15/15 displayed)
- 2023Impact and Hardness Behaviours of Heat-Treated Aluminium 6101 Alloy Quenched in Different Waste Mediacitations
- 2021Tig Welding of Dissimilar Steelcitations
- 2021Microstructural Characteristics and Hardness Property of Laser Cladded Ti and TiB2Nanocomposites on Steel Railcitations
- 2021Python Data Analysis and Regression Plots of Wear and Hardness Characteristics of Laser Cladded Ti and TiB2Nanocomposites on Steel Railcitations
- 2021Analysis of Geometrical Characteristics and Microstructural Evolution of Laser Deposited Titanium Alloy Based Composite Coatings
- 2020Wear behavior of laser metal deposited 17-4 PH SS-W composite at varied tungsten powder flow ratecitations
- 2020Laser metal deposition of titanium compositescitations
- 2020Effect of process parameters on the hardness property of laser metal deposited al–cu–ti coatings on ti–6al–4v alloycitations
- 2020Experimental investigation of laser metal deposited al–cu–ti coatings on ti–6al–4v alloy
- 2020Study of additive manufactured ti–al–si–cu/ti–6al–4v composite coating by direct laser metal deposition (dlmd) techniquecitations
- 2020Influence of process parameters on the microstructure, and geometrical characteristics of laser additive manufactured (LAM) titanium alloy composite coatings
- 2020Microstructural enhancement and performance of additive manufactured titanium alloy grade 5 composite coatings
- 2019Numerical Modelling and Influence of Cu Addition on the Microstructure and Mechanical Properties of Additive Manufactured Ti–Al–Cu/Ti–6Al–4V Compositecitations
- 2019The effects of manganese (mn) addition and laser parameters on the microstructure and surface properties of laser deposited aluminium based coatings
- 2019Numerical modelling, microstructural evolution and characterization of laser cladded al-sn-si coatings on ti-6al-4v alloycitations
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document
Influence of process parameters on the microstructure, and geometrical characteristics of laser additive manufactured (LAM) titanium alloy composite coatings
Abstract
<p>The study experimentally investigates the effects of Ytterbium Laser System process parameters on the resultant microstructure of Ti-6Al-4V grade 5 alloy and reinforcement powders. The deposition process was conducted employing a 3 kW (CW) Ytterbium Laser System (YLS-2000-TR) machine, coaxial to the reinforcement powder. The laser scanning speed and power were varied between the intervals of 0.8-1.0 m/min and 900-1000 W. All other parameters kept constant were the rate of gas flow, the spot diameter, and the rate of powder flow. Metallurgical studies were conducted where all the samples microstructure was characterized by employing Scanning Electron Microscopy (SEM) and Optical Microscopy (OM). The results showed that a minimum porosity was achieved at high laser power complemented with low powder feed rate. The microstructure formed was dominated by columnar grains and martensitic needle-like structures with a formation of beta phase. It was observed that the microstructure was influenced significantly by the two laser speed modes, and the laser power. The grain size and phase structure were influenced significantly by the laser power; increasing it had resulted in larger grains, and a coarser microstructure. The results also showed that the residual stresses of the optimized specimens were compressive.</p>