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143 Publications
2025 | Journal Article | LibreCat-ID: 58510 | 
Lead-Free Ceramics in Prestressed Ultrasonic Transducers
C. Scheidemann, P. Bornmann, W. Littmann, T. Hemsel, Actuators 14 (2025).
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C. Scheidemann, P. Bornmann, W. Littmann, T. Hemsel, Actuators 14 (2025).
2025 | Conference Abstract | LibreCat-ID: 61755
Time dependent material characteristics of prestressed piezoelectric ceramics in langevin transducers
C. Scheidemann, T. Hemsel, W. Sextro, in: 2025.
LibreCat
C. Scheidemann, T. Hemsel, W. Sextro, in: 2025.
2025 | Conference Abstract | LibreCat-ID: 61757
Investigation of the Setting Behaviour of Mechanically Biased Piezoelectric Ultrasonic Transducers
C. Scheidemann, J. Porzenheim, T. Hemsel, W. Sextro, in: 2025.
LibreCat
C. Scheidemann, J. Porzenheim, T. Hemsel, W. Sextro, in: 2025.
2025 | Conference Paper | LibreCat-ID: 62300
Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements
L. Claes, J. Hölscher, O. Friesen, C. Scheidemann, T. Hemsel, B. Henning, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 142–145.
LibreCat
| DOI
L. Claes, J. Hölscher, O. Friesen, C. Scheidemann, T. Hemsel, B. Henning, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 142–145.
2025 | Conference Paper | LibreCat-ID: 62299
Sensitivity Analysis and Material Parameter Estimation of a Pre-Stressed Langevin Transducer
O. Friesen, C. Scheidemann, L. Claes, T. Hemsel, B. Henning, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 138–141.
LibreCat
| DOI
O. Friesen, C. Scheidemann, L. Claes, T. Hemsel, B. Henning, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 138–141.
2024 | Journal Article | LibreCat-ID: 51518
Diagnostics of Piezoelectric Bending Actuators Subjected to Varying Operating Conditions
O.K. Aimiyekagbon, A. Bender, T. Hemsel, W. Sextro, Electronics 13 (2024).
LibreCat
| DOI
O.K. Aimiyekagbon, A. Bender, T. Hemsel, W. Sextro, Electronics 13 (2024).
2024 | Conference Paper | LibreCat-ID: 56834 |
Estimation of temperature-dependent piezoelectric material parameters using ring-shaped specimens
O. Friesen, L. Claes, C. Scheidemann, N. Feldmann, T. Hemsel, B. Henning, in: 2023 International Congress on Ultrasonics, Beijing, China, IOP Publishing, 2024, p. 012125.
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O. Friesen, L. Claes, C. Scheidemann, N. Feldmann, T. Hemsel, B. Henning, in: 2023 International Congress on Ultrasonics, Beijing, China, IOP Publishing, 2024, p. 012125.
2024 | Journal Article | LibreCat-ID: 57467
The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component
D. Lehnert, C. Bödger, P. Pabel, C. Scheidemann, T. Hemsel, S. Gnaase, D. Kostka, T. Tröster, Crystals 14 (2024).
LibreCat
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D. Lehnert, C. Bödger, P. Pabel, C. Scheidemann, T. Hemsel, S. Gnaase, D. Kostka, T. Tröster, Crystals 14 (2024).
2024 | Conference Abstract | LibreCat-ID: 61756
Characteristic behavior of lead-free and lead-containing piezo ring ceramics in ultrasonic transducers
C. Scheidemann, T. Hemsel, W. Sextro, in: 2024.
LibreCat
C. Scheidemann, T. Hemsel, W. Sextro, in: 2024.
2023 | Conference Abstract | LibreCat-ID: 51117
Influence of Temperature and Pre-Stress on the Piezoelectric Material Behavior of Ring-Shaped Ceramics
C. Scheidemann, T. Hemsel, O. Friesen, L. Claes, W. Sextro, in: 2023.
LibreCat
C. Scheidemann, T. Hemsel, O. Friesen, L. Claes, W. Sextro, in: 2023.
2023 | Conference Abstract | LibreCat-ID: 51118
Influence of Temperature and Pre-Stress on the Piezoelectric Material Behavior of Ring-Shaped Ceramics
C. Scheidemann, T. Hemsel, O. Friesen, L. Claes, W. Sextro, in: 2023.
LibreCat
C. Scheidemann, T. Hemsel, O. Friesen, L. Claes, W. Sextro, in: 2023.
2023 | Conference Abstract | LibreCat-ID: 51119
Experimental Investigation of Bond Formation and Wire Deformation in the Ultrasonic Wire Bonding Process
C. Scheidemann, O.E.C. Hagedorn, T. Hemsel, W. Sextro, in: 2023.
LibreCat
C. Scheidemann, O.E.C. Hagedorn, T. Hemsel, W. Sextro, in: 2023.
2023 | Conference Abstract | LibreCat-ID: 47234
Burst Mode of Ultrasonic Resonant Oscillations for Stimulation and Destruction of Tumor Cells
B. Sehlmeyer, R. Kampmann, C. Scheidemann, T. Hemsel, M. Getzlaff, in: Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM), 2023.
LibreCat
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B. Sehlmeyer, R. Kampmann, C. Scheidemann, T. Hemsel, M. Getzlaff, in: Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Materie (SKM), 2023.
2023 | Conference Abstract | LibreCat-ID: 47235
Burst Mode Characteristics of an Ultrasonic Transducer for Treatment of Cancer Cells
R. Kampmann, B. Sehlmeyer, C. Scheidemann, T. Hemsel, M. Getzlaff, in: Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM), 2023.
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R. Kampmann, B. Sehlmeyer, C. Scheidemann, T. Hemsel, M. Getzlaff, in: Deutsche Physikalische Gesellschaft e. V. (Ed.), Frühjahrstagung 2023, Sektion Kondensierte Marterie (SKM), 2023.
2022 | Book Chapter | LibreCat-ID: 33500
Piezoelectric Ultrasonic Power Transducers
T. Hemsel, J. Twiefel, in: Reference Module in Materials Science and Materials Engineering, Elsevier, 2022.
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T. Hemsel, J. Twiefel, in: Reference Module in Materials Science and Materials Engineering, Elsevier, 2022.
2022 | Report | LibreCat-ID: 52045
Modellbasierte Ermittlung optimaler Prozessparameter für neuartige Ultraschallbondverbindungen
C. Scheidemann, T. Hemsel, W. Sextro, Modellbasierte Ermittlung optimaler Prozessparameter für neuartige Ultraschallbondverbindungen, LibreCat University, 2022.
LibreCat
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C. Scheidemann, T. Hemsel, W. Sextro, Modellbasierte Ermittlung optimaler Prozessparameter für neuartige Ultraschallbondverbindungen, LibreCat University, 2022.
2022 | Conference Paper | LibreCat-ID: 30371
Experimental Investigation of the Influence of different Bond Tool Grooves on the Bond Quality for Ultrasonic Thick Wire Bonding
O.E.C. Hagedorn, M. Broll, O. Kirsch, T. Hemsel, W. Sextro, in: CIPS 2022 - 12th International Conference on Integrated Power Electronics Systems, VDE VERLAG GMBH, Berlin, 2022, pp. 138–143.
LibreCat
O.E.C. Hagedorn, M. Broll, O. Kirsch, T. Hemsel, W. Sextro, in: CIPS 2022 - 12th International Conference on Integrated Power Electronics Systems, VDE VERLAG GMBH, Berlin, 2022, pp. 138–143.
2022 | Conference Paper | LibreCat-ID: 34104
Experimental Investigation of Multidimensional Ultrasonic Heavy Wire Bonding
C. Scheidemann, O. Kirsch, T. Hemsel, W. Sextro, in: 2022 IEEE 9th Electronics System-Integration Technology Conference (ESTC), IEEE, 2022.
LibreCat
| DOI
C. Scheidemann, O. Kirsch, T. Hemsel, W. Sextro, in: 2022 IEEE 9th Electronics System-Integration Technology Conference (ESTC), IEEE, 2022.
2021 | Journal Article | LibreCat-ID: 21436
Co-simulation of MATLAB and ANSYS for ultrasonic wire bonding process optimization
R. Schemmel, V. Krieger, T. Hemsel, W. Sextro, Microelectronics Reliability 119 (2021) 114077.
LibreCat
| DOI
R. Schemmel, V. Krieger, T. Hemsel, W. Sextro, Microelectronics Reliability 119 (2021) 114077.
2020 | Conference Paper | LibreCat-ID: 17355
Experimental analysis and modelling of bond formation in ultrasonic heavy wire bonding
R. Schemmel, C. Scheidemann, T. Hemsel, O. Kirsch, W. Sextro, in: CIPS 2020; 11th International Conference on Integrated Power Electronics Systems, 2020, pp. 1–6.
LibreCat
R. Schemmel, C. Scheidemann, T. Hemsel, O. Kirsch, W. Sextro, in: CIPS 2020; 11th International Conference on Integrated Power Electronics Systems, 2020, pp. 1–6.