Additive manufacturing of Ti6Al4V with wire laser metal deposition process - Archive ouverte HAL
Article Dans Une Revue Materials Science Forum Année : 2021

Additive manufacturing of Ti6Al4V with wire laser metal deposition process

Résumé

Additive manufacturing (AM) using wire as an input material is currently in full swing, with very strong growth prospects thanks to the possibility of creating large parts, with high deposition rates, but also a low investment cost compared to the powder bed fusion machines. A versatile 3D printing device using a Direct Energy Deposition Wire-Laser (DED-W Laser) with Precitec Coaxprinter station to melt a metallic filler wire is developed to build titanium parts by optimizing the process parameters. The geometrical and metallurgical of produced parts are analyzed. In the literature, several authors agree to define wire feed speed, travel speed, and laser beam power as first-order process parameters governing laser-wire deposition. This study shows the relative importance of these parameters taking separately as well as the importance of their sequencing at the start of the process. Titanium deposit are obtained with powers never explored in bibliography (up to 5 kW), and wire feed speed up to 5 m.min-1 with a complete process repeatability.
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Dates et versions

hal-03565903 , version 1 (11-02-2022)

Identifiants

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Achraf Ayed, Guénolé Bras, Henri Bernard, Pierre Michaud, Yannick Balcaen, et al.. Additive manufacturing of Ti6Al4V with wire laser metal deposition process. Materials Science Forum, 2021, 1016, pp.24-29. ⟨10.4028/www.scientific.net/MSF.1016.24⟩. ⟨hal-03565903⟩
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