{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T16:05:58Z","timestamp":1790179558061,"version":"4.1.0"},"reference-count":60,"publisher":"MDPI AG","issue":"20","license":[{"start":{"date-parts":[[2022,10,21]],"date-time":"2022-10-21T00:00:00Z","timestamp":1666310400000},"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>The present study is dedicated to the evaluation of the mechanical properties of an additively manufactured (AM) aluminum alloy and their dependence on temperature and build orientation. Tensile test samples were produced from a standard AlSi10Mg alloy by means of the Laser Powder Bed Fusion (LPBF) or Laser Beam Melting (LBM) process at polar angles of 0\u00b0, 45\u00b0 and 90\u00b0. Prior to testing, samples were stress-relieved on the build platform for 2 h at 350 \u00b0C. Tensile tests were performed at four temperature levels (room temperature (RT), 125, 250 and 450 \u00b0C). Results are compared to previously published data on AM materials with and without comparable heat treatment. To foster a deeper understanding of the obtained results, fracture surfaces were analyzed, and metallographic sections were prepared for microstructural evaluation and for additional hardness measurements. The study confirms the expected significant reduction of strength at elevated temperatures and specifically above 250 \u00b0C: Ultimate tensile strength (UTS) was found to be 280.2 MPa at RT, 162.8 MPa at 250 \u00b0C and 34.4 MPa at 450 \u00b0C for a polar angle of 0\u00b0. In parallel, elongation at failure increased from 6.4% via 15.6% to 26.5%. The influence of building orientation is clearly dominated by the temperature effect, with UTS values at RT for polar angles of 0\u00b0 (vertical), 45\u00b0 and 90\u00b0 (horizontal) reaching 280.2, 272.0 and 265.9 MPa, respectively, which corresponds to a 5.1% deviation. The comparatively low room temperature strength of roughly 280 MPa is associated with stress relieving and agrees well with data from the literature. However, the complete breakdown of the cellular microstructure reported in other studies for treatments at similar or slightly lower temperatures is not fully confirmed by the metallographic investigations. The data provide a basis for the prediction of AM component response under the thermal and mechanical loads associated with high-pressure die casting (HPDC) and thus facilitate optimizing HPDC-based compound casting processes involving AM inserts.<\/jats:p>","DOI":"10.3390\/ma15207386","type":"journal-article","created":{"date-parts":[[2022,10,24]],"date-time":"2022-10-24T04:40:36Z","timestamp":1666586436000},"page":"7386","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["High-Temperature Mechanical Properties of Stress-Relieved AlSi10Mg Produced via Laser Powder Bed Fusion Additive Manufacturing"],"prefix":"10.3390","volume":"15","author":[{"given":"Dirk","family":"Lehmhus","sequence":"first","affiliation":[{"name":"Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, Wiener Stra\u00dfe 12, 28357 Bremen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Rahn","sequence":"additional","affiliation":[{"name":"Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, Wiener Stra\u00dfe 12, 28357 Bremen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adrian","family":"Struss","sequence":"additional","affiliation":[{"name":"Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, Wiener Stra\u00dfe 12, 28357 Bremen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Phillip","family":"Gromzig","sequence":"additional","affiliation":[{"name":"Fraunhofer Institute for Additive Production Technologies IAPT, Am Schleusengraben 14, 21029 Hamburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tim","family":"Wischeropp","sequence":"additional","affiliation":[{"name":"Fraunhofer Institute for Additive Production Technologies IAPT, Am Schleusengraben 14, 21029 Hamburg, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Holger","family":"Becker","sequence":"additional","affiliation":[{"name":"BDG-Service GmbH, Hansaallee 203, 40549 D\u00fcsseldorf, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,10,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1007\/s11431-008-0345-9","article-title":"Light Metal Compound Casting","volume":"52","author":"Papis","year":"2009","journal-title":"Sci. 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