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Cordova, Laura
Universidad Politécnica de Madrid
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2023Impact of powder reusability on batch repeatability of Ti6Al4V ELI for PBF-LB industrial productioncitations
- 2020Porous materials additively manufactured at low energycitations
- 2020Exploring the influence of powder properties and handling on the selective laser melting process
- 2020Effects of powder reuse on the microstructure and mechanical behaviour of Al-Mg-Sc-Zr alloy processed by laser powder bed fusion (LPBF)citations
- 2020Measuring the spreadability of pre-treated and moisturized powders for laser powder bed fusioncitations
- 2019An Overview: Laser-Based Additive Manufacturing for High Temperature Tribologycitations
- 2019Laser metal deposition of vanadium-rich high speed steel: Microstructuraland high temperature wear characterizationcitations
- 2019Drying strategies to reduce the formation of hydrogen porosity in Al alloys produced by Additive Manufacturing
- 2019Melt Pool Monitoring for the Laser Powder Bed Fusion Process
- 2019Revealing the Effects of Powder Reuse for Selective Laser Melting by Powder Characterizationcitations
- 2018Mechanical properties of aluminum alloys produced by Metal Additive Manufacturing
- 2017Powder Characterization and Optimization for Additive Manufacturing
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document
Drying strategies to reduce the formation of hydrogen porosity in Al alloys produced by Additive Manufacturing
Abstract
Laser powder bed fusion (L-PBF) is an additive manufacturing (AM) technology using a high-power laser to selectively melt metal powders for building complex parts. Coping with contamination in the powder is usually a challenge for this technology. Gases entrapped in the material in contact with the laser create a plasma of impurities that can lead to porosity. This contamination is usually coming from moisture, organics and adsorbed gases from the atmosphere (i.e. oxygen and nitrogen). In this work, two drying strategies to reduce the formation of porosity will be investigated.