Vertaisarvioitu artikkeli konferenssijulkaisussa (A4)
Surface roughness variance on different levels of surface inclination of powder bed fused tool steel 1.2709
Julkaisun tekijät: Karlsson Jussi, Piiroinen Aki, Korpela Markus, Salminen Antti
Toimittaja: Jan Frostevarg, Adrien Da Silva, Marie-Louise Palmblad, Lars Andersson
Konferenssin vakiintunut nimi: Nordic Laser Materials Processing Conference
Julkaisuvuosi: 2021
Journal: IOP Conference Series: Materials Science and Engineering
Kirjan nimi *: 18th Nordic Laser Materials Processing Conference (18th NOLAMP) 18th-20th January 2022, Luleå, Sweden
Tietokannassa oleva lehden nimi: 18TH NORDIC LASER MATERIALS PROCESSING CONFERENCE (18TH NOLAMP)
Lehden akronyymi: IOP CONF SER-MAT SCI
Artikkelin numero: 012020
Sarjan nimi: IOP Conference Series: Materials Science and Engineering
Volyymi: 1135
Aloitussivu: 012020
Sivujen määrä: 10
ISSN: 1757-8981
eISSN: 1757-899X
DOI: http://dx.doi.org/10.1088/1757-899X/1135/1/012020
Verkko-osoite: https://iopscience.iop.org/article/10.1088/1757-899X/1135/1/012020
Rinnakkaistallenteen osoite: https://research.utu.fi/converis/portal/detail/Publication/175076585
Evolution of additive manufacturing has allowed increased flexibility and complexity of designs over conventional manufacturing e.g. formative and subtractive manufacturing. Restricting factor of laser powder bed fusion of metals (PBF-LB/M) additive manufacturing is the as built surface quality. To promote an understanding of the surface roughness and suitable surface measuring technologies octagon shaped tool steel 1.2709 samples was developed and manufactured. Different surface measuring technologies was also literary reviewed. Studied samples were manufactured with commercially available laser-based powder bed fusion system using standard parameter set provided by the system manufacturer. Surface roughness was measured from top and down skins from multiple different building angles in a way that process specific effects, such as direction of movement of the powder re-coater, was considered. Based on these measuring results of the samples the effect surface inclination are discussed. The results show that building angle strongly affects to surface roughness of laser-based powder bed fused parts. Surface roughness was measured to be more than five times worse in unsupported angle manufactured down facing surfaces when compared with vertical walls.
Ladattava julkaisu This is an electronic reprint of the original article. |  |
