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4 March 2019 Laser additive manufacturing of oxide dispersion strengthened steels (Conference Presentation)
Bilal Gökce, René Streubel, Markus B. Wilms, Johannes Henrich Schleifenbaum, Stephan Barcikowski
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Proceedings Volume 10909, Laser 3D Manufacturing VI; 109090E (2019) https://doi.org/10.1117/12.2507829
Event: SPIE LASE, 2019, San Francisco, California, United States
Abstract
The feasibility of a novel powder synthesis route that is used in laser additive manufacturing (LAM) of oxide dispersion strengthened steels is demonstrated in this study [1]. The route consists of laser processing of colloids [2] and subsequent electrophoretic deposition [3] and leads to powder composites, which are characterized by a homogenous distribution of oxide nanoparticles on the surface of micrometer-sized stainless steel particles. The powder composites are successfully processed by the two LAM processes of LMD and SLM, leading to bulk specimens with low porosities and homogenous distribution of nanoscale dispersoids. Compression tests at elevated temperatures demonstrate the superior performance of reinforced material compared to raw stainless steel specimens. References: [1] C. Doñate-Buendía, F. Frömel, M. B. Wilms, R. Streubel, J. Tenkamp, T. Hupfeld, M. Nachev, E. Gökce, A. Weisheit, S. Barcikowski, F. Walther, J. H. Schleifenbaum, B. Gökce, Materials & Design 154, 360 (2018). [2] D. Zhang, B. Gökce and S. Barcikowski, Chem. Rev., 117, 3990, (2017). [3] R. Streubel, M. B. Wilms, C. Doñate-Buendía, A. Weisheit, S. Barcikowski, J. H. Schleifenbaum, B. Gökce Jpn. Journal of Applied Physics 57, 040310 (2018).
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Bilal Gökce, René Streubel, Markus B. Wilms, Johannes Henrich Schleifenbaum, and Stephan Barcikowski "Laser additive manufacturing of oxide dispersion strengthened steels (Conference Presentation)", Proc. SPIE 10909, Laser 3D Manufacturing VI, 109090E (4 March 2019); https://doi.org/10.1117/12.2507829
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KEYWORDS
Oxides
Additive manufacturing
Laser manufacturing
Composites
Applied physics
Laser processing
Nanoparticles
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