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Correlations of Geometry and Infill Degree of Extrusion Additively Manufactured 316L Stainless Steel Components

Title data

Rosnitschek, Tobias ; Seefeldt, Andressa ; Alber-Laukant, Bettina ; Neumeyer, Thomas ; Altstädt, Volker ; Tremmel, Stephan:
Correlations of Geometry and Infill Degree of Extrusion Additively Manufactured 316L Stainless Steel Components.
In: Materials. Vol. 14 (9 September 2021) Issue 18 . - No. 5173.
ISSN 1996-1944
DOI: https://doi.org/10.3390/ma14185173

Abstract in another language

This study focuses on the effect of part geometry and infill degrees on effective mechanical properties of extrusion additively manufactured stainless steel 316L parts produced with BASF’s Ultrafuse 316LX filament. Knowledge about correlations between infill degrees, mechanical properties and dimensional deviations are essential to enhance the part performance and further establish efficient methods for the product development for lightweight metal engineering applications. To investigate the effective Young’s modulus, yield strength and bending stress, standard testing methods for tensile testing and bending testing were used. For evaluating the dimensional accuracy, the tensile and bending specimens were measured before and after sintering to analyze anisotropic shrinkage effects and dimensional deviations linked to the infill structure. The results showed that dimensions larger than 10 mm have minor geometrical deviations and that the effective Young’s modulus varied in the range of 176%. These findings provide a more profound understanding of the process and its capabilities and enhance the product development process for metal extrusion-based additive manufacturing.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: material extrusion additive manufacturing; metal additive manufacturing; debinding and sintering; infill structure; effective porosity; product development
Institutions of the University: Faculties > Faculty of Engineering Science > Former Professors > Chair Engineering Design and CAD - Univ.-Prof. Dr.-Ing. Frank Rieg
Faculties > Faculty of Engineering Science > Chair Engineering Design and CAD > Chair Engineering Design and CAD - Univ.-Prof. Dr.-Ing Stephan Tremmel
Research Institutions > Research Units > Forschungsstelle für Additive Innovationen - Campus Additive.Innovationen (CA.I)
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 13 Sep 2021 06:53
Last Modified: 13 Sep 2021 06:53
URI: https://eref.uni-bayreuth.de/id/eprint/67005