Tensile Properties of Al-12Si Fabricated via Selective Laser Melting (SLM) at Different Temperatures
Additive manufacturing processes such as selective laser melting (SLM) are attracting increasing attention and are regarded as the manufacturing technology of the future, because of their ability to produce near net shaped components of theoretically any shape with added functionality. Various prope...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2016-12-01
|
| Series: | Technologies |
| Subjects: | |
| Online Access: | http://www.mdpi.com/2227-7080/4/4/38 |
| _version_ | 1819162732918734848 |
|---|---|
| author | Konda Gokuldoss Prashanth Sergio Scudino Jürgen Eckert |
| author_facet | Konda Gokuldoss Prashanth Sergio Scudino Jürgen Eckert |
| author_sort | Konda Gokuldoss Prashanth |
| collection | DOAJ |
| description | Additive manufacturing processes such as selective laser melting (SLM) are attracting increasing attention and are regarded as the manufacturing technology of the future, because of their ability to produce near net shaped components of theoretically any shape with added functionality. Various properties, including mechanical, tribological, welding, and corrosion properties, of Al-12Si alloys fabricated via SLM have been extensively studied. However, all of these studies were carried out at ambient conditions. Nevertheless, under working conditions, these alloys experience service temperatures ranging between 373 and 473 K. The present study focuses on the evaluation of the mechanical properties of SLM-fabricated Al-12Si alloys in this temperature range. For this, Al-12Si alloy specimens were annealed at 573 K, a temperature well beyond the test temperature in order to provide a stable microstructure during tensile testing. The plasticity of these materials increases along with the size of the dimples on the fracture surface with increasing tensile test temperature. Moreover, the annealed Al-12Si alloy exhibits appreciable tensile properties when tested between 373 K and 473 K. The results suggest that Al-12Si samples fabricated via SLM may be ideal candidates for automotive applications such as pistons and cylinder heads. |
| first_indexed | 2024-12-22T17:32:55Z |
| format | Article |
| id | doaj.art-aeeee9b84f4e4d23b3a036c3a4b9b1ee |
| institution | Directory Open Access Journal |
| issn | 2227-7080 |
| language | English |
| last_indexed | 2024-12-22T17:32:55Z |
| publishDate | 2016-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Technologies |
| spelling | doaj.art-aeeee9b84f4e4d23b3a036c3a4b9b1ee2022-12-21T18:18:34ZengMDPI AGTechnologies2227-70802016-12-01443810.3390/technologies4040038technologies4040038Tensile Properties of Al-12Si Fabricated via Selective Laser Melting (SLM) at Different TemperaturesKonda Gokuldoss Prashanth0Sergio Scudino1Jürgen Eckert2Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstraße 12, A-8700 Leoben, AustriaSolidification Processes and Complex Structures, Institute for Complex Materials, Leibniz Institute for Solid State and Materials Research (IFW Dresden), Helmholtzstraße 20, D-01069 Dresden, GermanyErich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstraße 12, A-8700 Leoben, AustriaAdditive manufacturing processes such as selective laser melting (SLM) are attracting increasing attention and are regarded as the manufacturing technology of the future, because of their ability to produce near net shaped components of theoretically any shape with added functionality. Various properties, including mechanical, tribological, welding, and corrosion properties, of Al-12Si alloys fabricated via SLM have been extensively studied. However, all of these studies were carried out at ambient conditions. Nevertheless, under working conditions, these alloys experience service temperatures ranging between 373 and 473 K. The present study focuses on the evaluation of the mechanical properties of SLM-fabricated Al-12Si alloys in this temperature range. For this, Al-12Si alloy specimens were annealed at 573 K, a temperature well beyond the test temperature in order to provide a stable microstructure during tensile testing. The plasticity of these materials increases along with the size of the dimples on the fracture surface with increasing tensile test temperature. Moreover, the annealed Al-12Si alloy exhibits appreciable tensile properties when tested between 373 K and 473 K. The results suggest that Al-12Si samples fabricated via SLM may be ideal candidates for automotive applications such as pistons and cylinder heads.http://www.mdpi.com/2227-7080/4/4/38selective laser meltinglight metalsAl-based alloysmechanical properties |
| spellingShingle | Konda Gokuldoss Prashanth Sergio Scudino Jürgen Eckert Tensile Properties of Al-12Si Fabricated via Selective Laser Melting (SLM) at Different Temperatures Technologies selective laser melting light metals Al-based alloys mechanical properties |
| title | Tensile Properties of Al-12Si Fabricated via Selective Laser Melting (SLM) at Different Temperatures |
| title_full | Tensile Properties of Al-12Si Fabricated via Selective Laser Melting (SLM) at Different Temperatures |
| title_fullStr | Tensile Properties of Al-12Si Fabricated via Selective Laser Melting (SLM) at Different Temperatures |
| title_full_unstemmed | Tensile Properties of Al-12Si Fabricated via Selective Laser Melting (SLM) at Different Temperatures |
| title_short | Tensile Properties of Al-12Si Fabricated via Selective Laser Melting (SLM) at Different Temperatures |
| title_sort | tensile properties of al 12si fabricated via selective laser melting slm at different temperatures |
| topic | selective laser melting light metals Al-based alloys mechanical properties |
| url | http://www.mdpi.com/2227-7080/4/4/38 |
| work_keys_str_mv | AT kondagokuldossprashanth tensilepropertiesofal12sifabricatedviaselectivelasermeltingslmatdifferenttemperatures AT sergioscudino tensilepropertiesofal12sifabricatedviaselectivelasermeltingslmatdifferenttemperatures AT jurgeneckert tensilepropertiesofal12sifabricatedviaselectivelasermeltingslmatdifferenttemperatures |