Fabrication of Thin-Wall Structures with a Femtosecond Laser and Stainless Steel Powder

Author:

Ramon-Conde Iñigo12ORCID,Omeñaca Luis12,Gomez-Aranzadi Mikel12,Castaño Enrique12,Rodriguez Ainara12ORCID,Olaizola Santiago M.12

Affiliation:

1. CEIT-Basque Research and Technology Alliance (BRTA), Manuel Lardizabal, 15, 20018 Donostia/San Sebastián, Spain

2. Departamento de Ingeniería Eléctrica y Electrónica, Universidad de Navarra, Tecnun, Manuel Lardizabal, 13, 20018 Donostia/San Sebastián, Spain

Abstract

Additive Manufacturing (AM) has revolutionized the production of complex three-dimensional (3D) structures; however, the efficient and precise fabrication of thin profiles remains a challenge. This study explores the application of femtosecond-laser-based additive manufacturing techniques for the production of thin profiles with micron-scale features, reaching profile thicknesses below 100 µm. The study investigates the effects of scanning strategy, with optimized processing parameters, on the fabrication of thin profiles; wall thickness measurements were carried out using various technologies to analyse the influence of each on the resulting values. The quality of the walls was quantified by means of a visual characterization of the melted volumes, analysing the evolution of the measured thickness with regard to the processing conditions and in relation to the theoretical thicknesses of the walls.

Funder

Ministry of Science, Innovation and Universities and the Centre for the Development of Industrial Technology

Publisher

MDPI AG

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