The Impact of Plastic Deformation on the Microstructure and Tensile Strength of Haynes 282 Nickel Superalloy Produced by DMLS and Casting
The article presents the results of research on the influence of plastic deformation on the microstructure and tensile strength of Haynes 282 nickel superalloy produced by direct metal laser sintering (DMLS) and a conventional technique (casting). Samples were tested for dimensional accuracy using a...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-10-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/15/21/7545 |
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| author | Ryszard Sitek Sandra Puchlerska Ilona Nejman Kamil Majchrowicz Zbigniew Pakieła Krzysztof Żaba Jarosław Mizera |
| author_facet | Ryszard Sitek Sandra Puchlerska Ilona Nejman Kamil Majchrowicz Zbigniew Pakieła Krzysztof Żaba Jarosław Mizera |
| author_sort | Ryszard Sitek |
| collection | DOAJ |
| description | The article presents the results of research on the influence of plastic deformation on the microstructure and tensile strength of Haynes 282 nickel superalloy produced by direct metal laser sintering (DMLS) and a conventional technique (casting). Samples were tested for dimensional accuracy using a 3D scanner. Then, the samples were subjected to plastic deformation by rolling. The microstructures of the DMLS and the as-cast samples were analysed using a scanning electron microscope. The strength properties of the samples were determined in a static tensile test. Microhardness measurements of the samples were also performed. Based on the analysis of the dimensional accuracy, it was found that the surface quality of the components produced by DMLS is dependent on the input parameters of the 3D printing process. Using the DMLS method, it is possible to produce Haynes 282 with a fine-crystalline microstructure containing dendrites. The fine-crystalline dendritic microstructure and low porosity showed very good tensile strength compared to the as-cast material. It was also found that the increase in the degree of plastic deformation of the as-cast Haynes 282 and the samples produced by the DMLS technique resulted in an increase in the strength of the tested samples, with reduced ductility. |
| first_indexed | 2024-03-09T18:53:34Z |
| format | Article |
| id | doaj.art-32c6f5c11ead4caab74cf347f61ff17f |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T18:53:34Z |
| publishDate | 2022-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-32c6f5c11ead4caab74cf347f61ff17f2023-11-24T05:36:56ZengMDPI AGMaterials1996-19442022-10-011521754510.3390/ma15217545The Impact of Plastic Deformation on the Microstructure and Tensile Strength of Haynes 282 Nickel Superalloy Produced by DMLS and CastingRyszard Sitek0Sandra Puchlerska1Ilona Nejman2Kamil Majchrowicz3Zbigniew Pakieła4Krzysztof Żaba5Jarosław Mizera6Faculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141, 02-507 Warsaw, PolandFaculty of Non-Ferrous Metals, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, PolandFaculty of Non-Ferrous Metals, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, PolandFaculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141, 02-507 Warsaw, PolandFaculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141, 02-507 Warsaw, PolandFaculty of Non-Ferrous Metals, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, PolandFaculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141, 02-507 Warsaw, PolandThe article presents the results of research on the influence of plastic deformation on the microstructure and tensile strength of Haynes 282 nickel superalloy produced by direct metal laser sintering (DMLS) and a conventional technique (casting). Samples were tested for dimensional accuracy using a 3D scanner. Then, the samples were subjected to plastic deformation by rolling. The microstructures of the DMLS and the as-cast samples were analysed using a scanning electron microscope. The strength properties of the samples were determined in a static tensile test. Microhardness measurements of the samples were also performed. Based on the analysis of the dimensional accuracy, it was found that the surface quality of the components produced by DMLS is dependent on the input parameters of the 3D printing process. Using the DMLS method, it is possible to produce Haynes 282 with a fine-crystalline microstructure containing dendrites. The fine-crystalline dendritic microstructure and low porosity showed very good tensile strength compared to the as-cast material. It was also found that the increase in the degree of plastic deformation of the as-cast Haynes 282 and the samples produced by the DMLS technique resulted in an increase in the strength of the tested samples, with reduced ductility.https://www.mdpi.com/1996-1944/15/21/7545Haynes 282superalloyadditive manufacturingdirect metal laser sintering3D scanningmicrostructure |
| spellingShingle | Ryszard Sitek Sandra Puchlerska Ilona Nejman Kamil Majchrowicz Zbigniew Pakieła Krzysztof Żaba Jarosław Mizera The Impact of Plastic Deformation on the Microstructure and Tensile Strength of Haynes 282 Nickel Superalloy Produced by DMLS and Casting Materials Haynes 282 superalloy additive manufacturing direct metal laser sintering 3D scanning microstructure |
| title | The Impact of Plastic Deformation on the Microstructure and Tensile Strength of Haynes 282 Nickel Superalloy Produced by DMLS and Casting |
| title_full | The Impact of Plastic Deformation on the Microstructure and Tensile Strength of Haynes 282 Nickel Superalloy Produced by DMLS and Casting |
| title_fullStr | The Impact of Plastic Deformation on the Microstructure and Tensile Strength of Haynes 282 Nickel Superalloy Produced by DMLS and Casting |
| title_full_unstemmed | The Impact of Plastic Deformation on the Microstructure and Tensile Strength of Haynes 282 Nickel Superalloy Produced by DMLS and Casting |
| title_short | The Impact of Plastic Deformation on the Microstructure and Tensile Strength of Haynes 282 Nickel Superalloy Produced by DMLS and Casting |
| title_sort | impact of plastic deformation on the microstructure and tensile strength of haynes 282 nickel superalloy produced by dmls and casting |
| topic | Haynes 282 superalloy additive manufacturing direct metal laser sintering 3D scanning microstructure |
| url | https://www.mdpi.com/1996-1944/15/21/7545 |
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