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Christian Nowroth

affiliation not provided to SSRN

  • affiliation not provided to SSRN

SCHOLARLY PAPERS

2

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Scholarly Papers (2)

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1.

Feasibility Study on Multifrequency Excitation of the Melt Pool During Ultrasonic-Assisted Laser Beam Welding

Number of pages: 17 Posted: 01 Nov 2022
Christian Nowroth, Jan Grajczak, Andreas Schmelt, Sarah Nothdurft, Jens Twiefel, Jörg Hermsdorf, Stefan Kaierle and Jörg Wallaschek
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Leibniz University Hannover
Downloads 40 (1,183,237)

Abstract:

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laser beam welding, ultrasonic excitation, multifrequency excitation

2.

Vibration shape tuning for selective vibration node shifting in multimodal ultrasonic systems

Number of pages: 19 Posted: 06 Jun 2026
Christian Nowroth, Takeshi Morita, Jan Grajczak, Sarah Nothdurft, Jens Twiefel, Jörg Hermsdorf, Stefan Kaierle and Jörg Wallaschek
affiliation not provided to SSRN, University of Tokyo, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 13

Abstract:

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laser beam welding, ultrasonic excitation, multimodal excitation, frequency tuning, vibration shape tuning, passive piezo elements