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Investigation of laser wire bonding for the fabrication of tensegrity structures

  • Tensegrity structures are structures in which elements stabilize each other by bearing compressive or tensile loads. They have a high potential for lightweight design. As structures with tensile loads, wires can be used that are connected to other structures using a laser bonding process. Investigations of bonding a mild steel wire with a diameter of 1 mm onto a flat substrate have been conducted using a coaxial deposition welding head. The influence of the parameters focus position, laser power, wire feed rate and bonding processing time has been investigated regarding the bonding quality. A process window for a stable process and a sufficient bond of wire and substrate was determined. The laser intensity and stickout length have a significant influence on the bonding. High intensities and stickout lengths lead to wire burn back and no bond with the substrate while wire backup occurred at low intensities and stickout lengths.

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Metadaten
Author:Laura Budde, Marvin SpenglerORCiD, Nick Schwarz, Jörg Hermsdorf, Henning AhlersORCiDGND, Stefan Kaierle
URN:urn:nbn:de:bsz:960-opus4-32603
DOI:https://doi.org/10.25968/opus-3260
DOI original:https://doi.org/10.1016/j.procir.2024.08.139
ISSN:2212-8271
Parent Title (English):Procedia CIRP
Publisher:Elsevier BV
Document Type:Article
Language:English
Year of Completion:2024
Publishing Institution:Hochschule Hannover
Release Date:2024/10/30
Tag:Laser wire bonding; Tensegrity structures; lightweight design
GND Keyword:Tensegrity <Tragwerk>
Volume:124
First Page:388
Last Page:393
Institutes:Fakultät II - Maschinenbau und Bioverfahrenstechnik
DDC classes:620 Ingenieurwissenschaften und Maschinenbau
Licence (German):License LogoCreative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International