Please note that LibreCat no longer supports Internet Explorer versions 8 or 9 (or earlier).
We recommend upgrading to the latest Internet Explorer, Google Chrome, or Firefox.
144 Publications
2025 | Journal Article | LibreCat-ID: 58510 | 
Scheidemann, C., Bornmann, P., Littmann, W., & Hemsel, T. (2025). Lead-Free Ceramics in Prestressed Ultrasonic Transducers. Actuators, 14(2), Article 55. https://doi.org/10.3390/act14020055
LibreCat
| DOI
| Download (ext.)
2025 | Conference Paper | LibreCat-ID: 62300
Claes, L., Hölscher, J., Friesen, O., Scheidemann, C., Hemsel, T., & Henning, B. (2025). Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements. 2025 International Congress on Ultrasonics, 142–145. https://doi.org/10.5162/ultrasonic2025/a18-a6
LibreCat
| DOI
2025 | Conference Paper | LibreCat-ID: 64798 |
Scheidemann, C., Bornmann, P., Littmann, W., & Hemsel, T. (2025). Bolted Langevin transducers with leadfree piezoelectric ceramics. International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA), Vilnius, Lithuania.
LibreCat
| Files available
2025 | Conference Paper | LibreCat-ID: 64800 |
Hemsel, T., Scheidemann, C., Bornmann, P., Littmann, W., & Sextro, W. (2025). Intensive ultrasonic cleaning of surfaces by means of lead-free ultrasonic transducer with focussing sonotrode. International Congress on Ultrasonics (ICU), Paderborn, Germany.
LibreCat
| Files available
2025 | Conference Paper | LibreCat-ID: 61755 |
Scheidemann, C., Hemsel, T., & Sextro, W. (2025). Time dependent material characteristics of prestressed piezoelectric ceramics in langevin transducers. 22nd International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA), Vilnius, Lithuania.
LibreCat
| Files available
2025 | Conference Paper | LibreCat-ID: 61757 |
Scheidemann, C., Porzenheim, J., Hemsel, T., & Sextro, W. (2025). Investigation of the Setting Behaviour of Mechanically Biased Piezoelectric Ultrasonic Transducers. 2025 International Congress on Ultrasonics (ICU), Paderborn, Germany.
LibreCat
| Files available
2025 | Conference Paper | LibreCat-ID: 64803
Bornmann, P., Littmann, W., Scheidemann, C., & Hemsel, T. (2025). Innovative lead-free ultrasonic bending transducers for low to medium power applications. International Congress on Ultrasonics (ICU), Paderborn, Germany.
LibreCat
2025 | Conference Paper | LibreCat-ID: 64802
Littmann, W., Bornmann, P., Hemsel, T., & Scheidemann, C. (2025). Power ultrasonic actuators with suddenly changing loads: How to control the amplitudes in resonance, antiresonance, or in-between. International Conference on Ultrasonics (ICU), Paderborn, Germany.
LibreCat
2025 | Conference Paper | LibreCat-ID: 64804
Dohmen, M. D., Bornmann, P., Littmann, W., Hemsel, T., & Sextro, W. (2025). Modellgestützte Optimierung eines Ultraschall-Torsionsschweißsystems.
LibreCat
| Files available
2025 | Conference Paper | LibreCat-ID: 62299
Friesen, O., Scheidemann, C., Claes, L., Hemsel, T., & Henning, B. (2025). Sensitivity Analysis and Material Parameter Estimation of a Pre-Stressed Langevin Transducer. 2025 International Congress on Ultrasonics, 138–141. https://doi.org/10.5162/ultrasonic2025/a18-a4
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 51518
Aimiyekagbon, O. K., Bender, A., Hemsel, T., & Sextro, W. (2024). Diagnostics of Piezoelectric Bending Actuators Subjected to Varying Operating Conditions. Electronics, 13(3), Article 521. https://doi.org/10.3390/electronics13030521
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 57467
Lehnert, D., Bödger, C., Pabel, P., Scheidemann, C., Hemsel, T., Gnaase, S., Kostka, D., & Tröster, T. (2024). The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component. Crystals, 14(11), Article 1001. https://doi.org/10.3390/cryst14111001
LibreCat
| Files available
| DOI
2024 | Conference Paper | LibreCat-ID: 61756 |
Scheidemann, C., Hemsel, T., & Sextro, W. (2024). Characteristic behavior of lead-free and lead-containing piezo ring ceramics in ultrasonic transducers. 21nd International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA), Hannover, Germany.
LibreCat
| Files available
2024 | Conference Paper | LibreCat-ID: 56834 |
Friesen, O., Claes, L., Scheidemann, C., Feldmann, N., Hemsel, T., & Henning, B. (2024). Estimation of temperature-dependent piezoelectric material parameters using ring-shaped specimens. 2023 International Congress on Ultrasonics, Beijing, China, 2822, 012125. https://doi.org/10.1088/1742-6596/2822/1/012125
LibreCat
| DOI
| Download (ext.)
2023 | Conference Abstract | LibreCat-ID: 51119
Scheidemann, C., Hagedorn, O. E. C., Hemsel, T., & Sextro, W. (2023). Experimental Investigation of Bond Formation and Wire Deformation in the Ultrasonic Wire Bonding Process. International Conference on Functional Materials & Devices 2023 (ICFMD 2023), Jeju, Korea.
LibreCat
2023 | Conference Abstract | LibreCat-ID: 47234
Sehlmeyer, B., Kampmann, R., Scheidemann, C., Hemsel, T., & Getzlaff, M. (2023). Burst Mode of Ultrasonic Resonant Oscillations for Stimulation and Destruction of Tumor Cells. In Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM).
LibreCat
| Files available
2023 | Conference Abstract | LibreCat-ID: 47235
Kampmann, R., Sehlmeyer, B., Scheidemann, C., Hemsel, T., & Getzlaff, M. (2023). Burst Mode Characteristics of an Ultrasonic Transducer for Treatment of Cancer Cells. In Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM).
LibreCat
| Files available
2023 | Conference Paper | LibreCat-ID: 51117 |
Scheidemann, C., Hemsel, T., Friesen, O., Claes, L., & Sextro, W. (2023). Influence of Temperature and Pre-Stress on the Piezoelectric Material Behavior of Ring-Shaped Ceramics. 7th International Conference on Advanced Electromaterials (ICAE 2023), Jeju, Korea.
LibreCat
| Files available
2022 | Book Chapter | LibreCat-ID: 33500
Hemsel, T., & Twiefel, J. (2022). Piezoelectric Ultrasonic Power Transducers. In Reference Module in Materials Science and Materials Engineering. Elsevier. https://doi.org/10.1016/b978-0-12-819728-8.00047-4
LibreCat
| DOI
| Download (ext.)
2022 | Report | LibreCat-ID: 52045
Scheidemann, C., Hemsel, T., & Sextro, W. (2022). Modellbasierte Ermittlung optimaler Prozessparameter für neuartige Ultraschallbondverbindungen. LibreCat University. https://doi.org/10.2314/KXP:1879655276
LibreCat
| Files available
| DOI