Jens Ekengren

Articles in journals

• Ekengren, J. & Bergström, J. (2012). Extreme value distributions of inclusions in six steels. Extremes, 15 (2), 257-265.
• Ekengren, J. & Bergström, J. (2011). Estimating the volume distribution of large defects using Generalized Extreme Values. Extremes.
• Ekengren, J. & Bergström, J. (2009). Detecting large inclusions in steels: evaluating methods. Steel Research International, 80 (11), 854-858.

Conference papers

• Larsson, J. , Lindström, P. , Korin, C. , Ekengren, J. & Karlsson, P. (2023). The Influence of Nozzle Size on the Printing Process and the Mechanical Properties of FFF-Printed Parts. In: Christoph Klahn; Mirko Meboldt; Julian Ferchow,  Industrializing Additive Manufacturing Proceedings of AMPA2023. Paper presented at International Conference on Additive Manufacturing in Products and Applications (AMPA 2023),. (pp. 159-170). Springer.
• Larsson, J. , Karlsson, P. , Ekengren, J. & Pejryd, L. (2021). Enhanced Cooling Design in Wire Drawing Tooling Using Additive Manufacturing. In: Mirko Meboldt, Christoph Klahn,  Industrializing Additive Manufacturing Proceedings of AMPA2020. Paper presented at The 2nd International Conference on Additive Manufacturing for Products and Applications (AMPA 2020), Zürich, Switzerland, September 1-3, 2020. (pp. 426-436). Springer, Cham.
• Jansson, A. , Ekengren, J. & Pejryd, L. (2018). Numerical analysis of compression strength in network structures based on trusses, and periodic surfaces aimed for additive manufacturing. In: C.K. Chua, W. Y. Yeong, M. J. Tan, E. J. Liu, S. B. Tor,  Proceedings of the International Conference on Progress in Additive Manufacturing. Paper presented at 3rd International Conference on Progress in Additive Manufacturing (PRO-AM 2018), Singapore, Singapore, May 14-17, 2018. (pp. 328-333). Singapore: Nanyang Technological University.
• Hällgren, S. , Pejryd, L. & Ekengren, J. (2016). 3D data export for Additive Manufacturing - improving geometric accuracy. In:  26th CIRP Design Conference. Paper presented at 26th CIRP Design Conference, KTH Royal Institute of Technology, Stockholm, Sweden, June 15-17, 2016. (pp. 518-523). Amsterdam: Elsevier.
• Hällgren, S. , Pejryd, L. & Ekengren, J. (2016). Additive Manufacturing and High Speed Machining - Cost comparison of short lead time manufacturing methods. In:  26th CIRP Design Conference. Paper presented at 26th CIRP Design Conference, KTH Royal Institute of Technology, Stockholm, Sweden, June 15-17, 2016. (pp. 384-389). Amsterdam: Elsevier.
• Jansson, A. , Ekengren, J. , Zekavat, A. R. & Pejryd, L. (2016). Effects of X-ray Penetration Depth on Multi Material Computed Tomography Measurements. In:  iCT 2016. Paper presented at 6th Conference on Industrial Computed Tomography (iCT 2016), Wels, Austria, February 9-12, 2016. (pp. 143-150). NDT.net.
• Hällgren, S. , Pejryd, L. & Ekengren, J. (2016). (Re)Design for Additive Manufacturing. In:  26th CIRP Design Conference. Paper presented at 26th CIRP Design Conference, KTH Royal Institute of Technology, Stockholm, Sweden, June 15-17, 2016. (pp. 246-251). Amsterdam: Elsevier.
• Zekavat, A. R. , Pejryd, L. & Ekengren, J. (2015). Tracking the shape deformation of voids from tensile loading by the use of computed tomography. In:  Digital Industrial Radiology and Computed Tomography (DIR 2015). Paper presented at Digital Industrial Radiology and Computed Tomography (DIR 2015), Ghent, Belgium, June 22-25, 2015.
• Ekengren, J. & Bergström, J. (2011). Influence of life length on estimated defect distribution in a low defect steel material. In: C. Berger and H.-J. Christ,  Proceedings of the Fifth International Conference on Very High Cycle Fatigue. Paper presented at Fifth International Conference on Very High Cycle Fatigue, Berlin, Germany, June 28-30, 2011. (pp. 177-182). Berlin: Deutscher Verband für Materialforschung und -prüfung.
• Ekengren, J. , Kazymyrovych, V. & Bergström, J. (2009). Assessment of strength and inclusions of tool steels in very high cycle fatigue. In: P. Beiss, C. Broeckmann, S. Franke, B. Keysselitz,  Proceedings of the 8th International Tooling Conference, Vol 1. Paper presented at 8th International Tooling Conference (TOOL 09), Tool steels - deciding factor in worldwide production, Aachen University, Aachen, Germany, June 2-4, 2009. Aachen: Verlag Mainz, Wissenschaftsverlag.
• Ekengren, J. , Kazymyrovych, V. , Burman, C. & Bergström, J. (2007). Relating gigacycle fatigue to other methods in evaluating the inclusion distribution of a H13 tool steel. In: John E. Allison, J. Wayne Jones, James M. Larsen & Robert O. Ritchie,  Fourth International Conference on Very High Cycle Fatigue (VHCF-4). Paper presented at Fourth International Conference on Very High Cycle Fatigue (VHCF-4). (pp. 45-50). TMS (The Minerals, Metals & Materials Society).

Doctoral theses, comprehensive summaries

• Ekengren, J. (2011). Large and rare: An extreme values approach to estimating the distribution of large defects in high-performance steels. (Doctoral dissertation). (Comprehensive summary) Karlstad: Karlstad University.

Licentiate theses, comprehensive summaries

• Ekengren, J. (2008). Estimating inclusion content in high performance steels. Lic. (Comprehensive summary) Karlstad: Karlstad University.

Manuscripts

• Ekengren, J. & Bergström, J. Detecting large inclusions in steels : evaluating methods.
• Ekengren, J. & Bergström, J. Extreme value distributions of inclusions in six steels.

Reports

• Ekengren, J. (2008). Finding non-metallic inclusions in clean steel. Karlstad: Karlstads universitet (Karlstad University Studies 2008:51).