Dr.-Ing. Lorenz Butzhammer

2026

• Butzhammer L., Herath C., Braun M., Hausotte T.:
  Higher accuracy with fewer projections? Automated scan angle selection for dimensional Computed Tomography based on a simple data completeness measure for the part surface
  15th Conference on Industrial Computed Tomography (Linz)
  In: e-Journal of Nondestructive Testing 2026
  DOI: 10.58286/32560

2025

• Butzhammer L.:
  3-D-Scantrajektorien für die dimensionelle Röntgen-Computertomographie durch adaptive Messobjektneigung (Dissertation, 2025)
  DOI: 10.25593/978-3-96147-813-2
  URL: https://open.fau.de/handle/openfau/36453
• Butzhammer L., Handke N., Wittl S., Herl G., Hausotte T.:
  Direct assessment of the influence of pose repeatability on the accuracy of dimensional measurements for computed tomography systems with high degrees of freedom
  In: Measurement Science and Technology 36 (2025), S. 025401
  ISSN: 1361-6501
  DOI: 10.1088/1361-6501/ada05a

2024

• Butzhammer L., Hausotte T.:
  Task-specific scan trajectory modification for dimensional X-ray computed Tomography with high throughput
  In: Technisches Messen 91 (2024), S. S2-S7
  ISSN: 0171-8096
  DOI: 10.1515/teme-2024-0044
• Hausotte T., Butzhammer L., Reuter T., Braun M., Grömme U.:
  Test of conformance or non-conformance with geometrical specifications
  In: Technisches Messen (2024)
  ISSN: 0171-8096
  DOI: 10.1515/teme-2024-0022
  URL: https://www.degruyter.com/document/doi/10.1515/teme-2024-0022/html
• Rückert D., Butzhammer L., Wittl S., Herl G., Hausotte T., Kurth P.:
  Uncalibrated CT Reconstruction for One-Shot Scanning of Arbitrary Trajectories
  13th Conference on Industrial Computed Tomography (iCT) 2024 (Wels, 6. Februar 2024 – 9. Februar 2024)
  DOI: 10.58286/29231

2023

• Butzhammer L., Braun M., Hausotte T.:
  CT scan trajectory calibration based on projected metal spheres: When and how should errors from elliptical distortion be corrected?
  12th Conference on Industrial Computed Tomography (iCT) 2023, 27 February – 2 March 2023 in Fürth, Germany (iCT 2023) (Fürth, 27. Februar 2023 – 2. März 2023)
  DOI: 10.58286/27730
• Butzhammer L., Kappe F., Meschut G., Hausotte T.:
  Dynamic conformity assessment for joining force monitoring using Bayes filters
  20th International Conference on Sheet Metal (Nürnberg, 2. April 2023 – 5. April 2023)
  In: Marion Merklein, Hinnerk Hagenah, Joost R. Duflou, Livan Fratini, Paulo Martins, Gerson Meschut, Fabrizio Micari (Hrsg.): Materials Research Proceedings 2023
  DOI: 10.21741/9781644902417-48
• Hausotte T., Butzhammer L., Reuter T.:
  Konformitäts- oder Nichtkonformitätsnachweis mit Spezifikationen: Theorie und Praxis
  11. VDI-Fachtagung Messunsicherheit praxisgerecht bestimmen – Prüfprozesse in der industriellen Praxis (Erfurt, 14. November 2023 – 15. November 2023)
  DOI: 10.51202/9783181024287

2022

• Busch M., Butzhammer L., Hausotte T.:
  Herausforderungen bei computertomografischen Untersuchungen von Fügeverbindungen
  In: Technisches Messen (2022)
  ISSN: 0171-8096
  DOI: 10.1515/teme-2022-0061
• Butzhammer L., Müller A., Hausotte T.:
  Calibration of 3D scan trajectories for an industrial computed tomography setup with 6-DOF object manipulator system using a single sphere
  In: Measurement Science & Technology 34 (2022), S. 015403
  ISSN: 0957-0233
  DOI: 10.1088/1361-6501/ac9856

2021

• Butzhammer L., Hausotte T.:
  Complex 3D scan trajectories for industrial cone-beam computed tomography using a hexapod
  In: Measurement Science & Technology 32 (2021), S. 105402
  ISSN: 0957-0233
  DOI: 10.1088/1361-6501/ac08c4
• Butzhammer L., Hausotte T.:
  Komplexe 3D-Scantrajektorien für die dimensionelle Computertomographie durch Verwendung eines Hexapoden
  10. VDI-Fachtagung Messunsicherheit praxisgerecht bestimmen – Prüfprozesse in der industriellen Praxis 2021 (Erfurt, 10. November 2021 – 11. November 2021)
  In: VDI-Berichte 2390 2021
  DOI: 10.51202/9783181023907-235

2020

• Butzhammer L., Müller A., Hausotte T.:
  Comparison of Geometrically Derived Quality Criteria regarding Optimal Workpiece Orientation for Computed Tomography Measurements
  10th Conference on Industrial Computed Tomography, Wels, Austria (iCT 2020) (Wels, 4. Februar 2020 – 7. Februar 2020)
  Open Access: https://www.ndt.net/article/ctc2020/papers/ICT2020_paper_id102.pdf
  URL: https://www.ndt.net/search/docs.php3?id=25083
• Müller A., Butzhammer L., Wohlgemuth F., Hausotte T.:
  Automated evaluation of the surface point quality in dimensional X-ray computed tomography
  In: Technisches Messen 87 (2020), S. 111-121
  ISSN: 0171-8096
  DOI: 10.1515/teme-2019-0116
  URL: https://www.degruyter.com/view/j/teme.2020.87.issue-2/teme-2019-0116/teme-2019-0116.xml

2019

• Butzhammer L., Hausotte T.:
  Effect of iterative sparse-view CT reconstruction with task-specific projection angles on dimensional measurements
  9th Conference on Industrial Computed Tomography (iCT) 2019 (Padua, 13. Februar 2019 – 15. Februar 2019)
  In: The e-Journal of Nondestructive Testing 2019
  Open Access: https://www.ndt.net/article/ctc2019/papers/iCT2019_Full_paper_18.pdf
  URL: https://www.ndt.net/iCT2019
• Müller A., Butzhammer L., Hausotte T.:
  Implementation of a beam hardening correction method for mono material parts using a linearization technique
  International Symposium on Digital Industrial Radiology and Computed Tomography (Fürth, 2. Juli 2019 – 4. Juli 2019)
  In: International Symposium on Digital Industrial Radiology and Computed Tomography, Berlin: 2019
  Open Access: https://www.dir2019.com/portals/dir2019/bb/We.3.A.2.pdf

2018

• Papke T., Dubjella P., Butzhammer L., Huber F., Petrunenko O., Klose D., Schmidt M., Merklein M.:
  Influence of a bending operation on the bonding strength for hybrid parts made of Ti-6Al-4V
  10th CIRP Conference on Photonic Technologies (LANE 2018) (Fürth, 3. September 2018 – 6. September 2018)
  In: Procedia CIRP 2018
  DOI: 10.1016/j.procir.2018.08.113

2017

• Butzhammer L., Dubjella P., Huber F., Schaub A., Aumüller M., Baum A., Petrunenko O., Merklein M., Schmidt M.:
  Experimental investigation of a process chain combining sheet metal bending and laser beam melting of Ti-6Al-4V
  Lasers in Manufacturing LIM 2017 (München, 26. Juni 2017 – 29. Juni 2017)
• Butzhammer L., Köhler W.:
  Thermocapillary and thermosolutal Marangoni convection of ethanol and ethanol–water mixtures in a microfluidic device
  In: Microfluidics and Nanofluidics 21 (2017), S. 155
  ISSN: 1613-4982
  DOI: 10.1007/s10404-017-1992-6
  URL: https://link.springer.com/article/10.1007/s10404-017-1992-6
• Huber F., Rasch M., Butzhammer L., Karg M., Schmidt M.:
  Strahlschmelzen von Metallen mit unterschiedlichen Intensitäten und Belichtungsstrategien
  5. Industriekolloquium des Sonderforschungsbereichs 814 – Additive Fertigung (Nürnberg, 12. Dezember 2017 – 12. Dezember 2017)
  In: 5. Industriekolloquium des SFB 814 2017
• Orlishausen M., Butzhammer L., Schlotbohm D., Zapf D., Köhler W.:
  Particle accumulation and depletion in a microfluidic Marangoni flow
  In: Soft Matter 13 (2017), S. 7053-7060
  ISSN: 1744-683X
  DOI: 10.1039/c7sm00954b
  URL: http://pubs.rsc.org/en/Content/ArticleLanding/2017/SM/C7SM00954B#!divAbstract
• Rasch M., Huber F., Butzhammer L., Merz C., Schmidt M.:
  Einfluss der Belichtungsstrategie auf die oberflächennahe Porosität beim Laserstrahlschmelzen im Pulverbett
  Rapid.Tech – International Trade Show & Conference for Additive Manufacturing (Erfurth, 20. Juni 2017 – 22. Juni 2017)
  In: M. Kynast, M. Eichmann , G. Witt (Hrsg.): PROCEEDINGS OF THE 14TH RAPID.TECH CONFERENCE ERFURT 2017
  DOI: 10.3139/9783446454606.019
  URL: http://www.hanser-elibrary.com/doi/pdf/10.3139/9783446454606.019

2016

• Merklein M., Dubjella P., Schaub A., Butzhammer L., Schmidt M.:
  Interaction of Additive Manufacturing and Forming
  6th International Conference on Additive Technologies iCAT 2016 (Nürnberg, 29. November 2016 – 30. November 2016)
  In: Igor Drstvenšek, Dietmar Drummer, Michael Schmidt (Hrsg.): Proceedings of 6th International Conference on Additive Technologies 2016
• Schaub A., Ahuja B., Butzhammer L., Osterziel J., Schmidt M., Merklein M.:
  Additive Manufacturing of Functional Elements on Sheet Metal
  In: Physics Procedia 83 (2016), S. 797-807
  ISSN: 1875-3892
  DOI: 10.1016/j.phpro.2016.08.082
  URL: http://www.sciencedirect.com/science/article/pii/S1875389216301894

2015

• Butzhammer L., Völkel S., Rehberg I., Huang K.:
  Pattern formation in wet granular matter under vertical vibrations
  In: Physical Review E 92 (2015), Art.Nr.: 012202
  ISSN: 1063-651X
  DOI: 10.1103/PhysRevE.92.012202

2013

• Huang K., Butzhammer L., Rehberg I.:
  Dynamics of rotating spirals in agitated wet granular matter
  7th International Conference on Micromechanics of Granular Media: Powders and Grains 2013 (Sydney, NSW)
  In: AIP Conference Proceedings 1542 2013
  DOI: 10.1063/1.4812028