{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,15]],"date-time":"2026-04-15T20:14:24Z","timestamp":1776284064921,"version":"3.50.1"},"reference-count":80,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2020,5,13]],"date-time":"2020-05-13T00:00:00Z","timestamp":1589328000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Additive manufacturing allows for a great degree of design freedom and is rapidly becoming a mainstream manufacturing process. However, as in all manufacturing processes, it has its limitations and specificities. Equipping engineers with this knowledge allows for a higher degree of optimization, extracting the most out of this technology. Therefore, a specific part design was devised and created via L-PBF (Laser Powder Bed Fusion) using AlSi10Mg powder. Certain parameters were varied to identify the influence on material density, hardness, roughness, residual stress and microstructures. It was found that on heat treated parts laser pattern strategy is one of the most influential aspects, showing that chessboard and stripes 67\u00b0 improved outcome; average Ra roughness varied between 8\u201312 \u00b5m, residual stress was higher on vertical surfaces than horizontal surfaces, with the combination of support structures and stripes 67\u00b0 strategies generating the lowest residual stress (205 MPa on a lateral\/vertical face), hardness was non-orientation dependent and larger on samples with chessboard fabrication strategies, while microstructures were composed of \u03b1\u2013Al dendrites surrounded by Si particles. The distribution and grain size of the microstructure is dependent on location regarding melt pool and HAZ area. Furthermore, Al\u2013Mg oxides were encountered on the surface, along with pores generating from lack of fusion.<\/jats:p>","DOI":"10.3390\/ma13102248","type":"journal-article","created":{"date-parts":[[2020,5,14]],"date-time":"2020-05-14T10:27:19Z","timestamp":1589452039000},"page":"2248","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":49,"title":["Effect of Scan Strategies and Use of Support Structures on Surface Quality and Hardness of L-PBF AlSi10Mg Parts"],"prefix":"10.3390","volume":"13","author":[{"given":"Ronny M.","family":"Gouveia","sequence":"first","affiliation":[{"name":"ISEP\u2014School of Engineering, Polytechnic of Porto, 4200-072 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8570-4362","authenticated-orcid":false,"given":"Francisco J. G.","family":"Silva","sequence":"additional","affiliation":[{"name":"ISEP\u2014School of Engineering, Polytechnic of Porto, 4200-072 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1003-5480","authenticated-orcid":false,"given":"Eleonora","family":"Atzeni","sequence":"additional","affiliation":[{"name":"Dipartimento di Ingegneria Gestionale e della Produzione, Politecnico di Torino, 10129 Torino, Italy"}]},{"given":"Du\u0161an","family":"Sormaz","sequence":"additional","affiliation":[{"name":"Department of Industrial and Systems Engineering, The Ohio University, Athens, OH 45701, USA"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9327-9092","authenticated-orcid":false,"given":"Jorge Lino","family":"Alves","sequence":"additional","affiliation":[{"name":"Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8342-5116","authenticated-orcid":false,"given":"Ant\u00f3nio Bastos","family":"Pereira","sequence":"additional","affiliation":[{"name":"TEMA\u2014Centre for Mechanical Technology and Automation, Department of Mechanical Engineering, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2020,5,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/j.promfg.2018.10.012","article-title":"A novel approach to optimize the design of parts for additive manufacturing","volume":"17","author":"Silva","year":"2018","journal-title":"Procedia Manuf."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"254","DOI":"10.1016\/j.applthermaleng.2018.04.032","article-title":"Design and evaluation of an additively manufactured aircraft heat exchanger","volume":"138","author":"Saltzman","year":"2018","journal-title":"Appl. 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