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144 Publications
2025 | Journal Article | LibreCat-ID: 58510 | 
Scheidemann C, Bornmann P, Littmann W, Hemsel T. Lead-Free Ceramics in Prestressed Ultrasonic Transducers. Actuators. 2025;14(2). doi:10.3390/act14020055
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2025 | Conference Paper | LibreCat-ID: 62300
Claes L, Hölscher J, Friesen O, Scheidemann C, Hemsel T, Henning B. Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements. In: 2025 International Congress on Ultrasonics. AMA Service GmbH; 2025:142–145. doi:10.5162/ultrasonic2025/a18-a6
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2025 | Conference Paper | LibreCat-ID: 64798 |
Scheidemann C, Bornmann P, Littmann W, Hemsel T. Bolted Langevin transducers with leadfree piezoelectric ceramics. In: ; 2025.
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2025 | Conference Paper | LibreCat-ID: 64800 |
Hemsel T, Scheidemann C, Bornmann P, Littmann W, Sextro W. Intensive ultrasonic cleaning of surfaces by means of lead-free ultrasonic transducer with focussing sonotrode. In: ; 2025.
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2025 | Conference Paper | LibreCat-ID: 61755 |
Scheidemann C, Hemsel T, Sextro W. Time dependent material characteristics of prestressed piezoelectric ceramics in langevin transducers. In: ; 2025.
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2025 | Conference Paper | LibreCat-ID: 61757 |
Scheidemann C, Porzenheim J, Hemsel T, Sextro W. Investigation of the Setting Behaviour of Mechanically Biased Piezoelectric Ultrasonic Transducers. In: ; 2025.
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2025 | Conference Paper | LibreCat-ID: 64803
Bornmann P, Littmann W, Scheidemann C, Hemsel T. Innovative lead-free ultrasonic bending transducers for low to medium power applications. In: ; 2025.
LibreCat
2025 | Conference Paper | LibreCat-ID: 64802
Littmann W, Bornmann P, Hemsel T, Scheidemann C. Power ultrasonic actuators with suddenly changing loads: How to control the amplitudes in resonance, antiresonance, or in-between. In: ; 2025.
LibreCat
2025 | Conference Paper | LibreCat-ID: 64804
Dohmen MD, Bornmann P, Littmann W, Hemsel T, Sextro W. Modellgestützte Optimierung eines Ultraschall-Torsionsschweißsystems. In: ; 2025.
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2025 | Conference Paper | LibreCat-ID: 62299
Friesen O, Scheidemann C, Claes L, Hemsel T, Henning B. Sensitivity Analysis and Material Parameter Estimation of a Pre-Stressed Langevin Transducer. In: 2025 International Congress on Ultrasonics. AMA Service GmbH; 2025:138–141. doi:10.5162/ultrasonic2025/a18-a4
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2024 | Journal Article | LibreCat-ID: 51518
Aimiyekagbon OK, Bender A, Hemsel T, Sextro W. Diagnostics of Piezoelectric Bending Actuators Subjected to Varying Operating Conditions. Electronics. 2024;13(3). doi:10.3390/electronics13030521
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2024 | Journal Article | LibreCat-ID: 57467
Lehnert D, Bödger C, Pabel P, et al. The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component. Crystals. 2024;14(11). doi:10.3390/cryst14111001
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2024 | Conference Paper | LibreCat-ID: 61756 |
Scheidemann C, Hemsel T, Sextro W. Characteristic behavior of lead-free and lead-containing piezo ring ceramics in ultrasonic transducers. In: ; 2024.
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2024 | Conference Paper | LibreCat-ID: 56834 |
Friesen O, Claes L, Scheidemann C, Feldmann N, Hemsel T, Henning B. Estimation of temperature-dependent piezoelectric material parameters using ring-shaped specimens. In: 2023 International Congress on Ultrasonics, Beijing, China. Vol 2822. IOP Publishing; 2024:012125. doi:10.1088/1742-6596/2822/1/012125
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2023 | Conference Abstract | LibreCat-ID: 51119
Scheidemann C, Hagedorn OEC, Hemsel T, Sextro W. Experimental Investigation of Bond Formation and Wire Deformation in the Ultrasonic Wire Bonding Process. In: ; 2023.
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2023 | Conference Abstract | LibreCat-ID: 47234
Sehlmeyer B, Kampmann R, Scheidemann C, Hemsel T, Getzlaff M. 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). ; 2023.
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2023 | Conference Abstract | LibreCat-ID: 47235
Kampmann R, Sehlmeyer B, Scheidemann C, Hemsel T, Getzlaff M. 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). ; 2023.
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2023 | Conference Paper | LibreCat-ID: 51117 |
Scheidemann C, Hemsel T, Friesen O, Claes L, Sextro W. Influence of Temperature and Pre-Stress on the Piezoelectric Material Behavior of Ring-Shaped Ceramics. In: ; 2023.
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2022 | Book Chapter | LibreCat-ID: 33500
Hemsel T, Twiefel J. Piezoelectric Ultrasonic Power Transducers. In: Reference Module in Materials Science and Materials Engineering. Elsevier; 2022. doi:10.1016/b978-0-12-819728-8.00047-4
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2022 | Report | LibreCat-ID: 52045
Scheidemann C, Hemsel T, Sextro W. Modellbasierte Ermittlung optimaler Prozessparameter für neuartige Ultraschallbondverbindungen. LibreCat University; 2022. doi:10.2314/KXP:1879655276
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