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Interface Formation during Collision Welding of Aluminum

Niessen, Benedikt ; Schumacher, Eugen ; Lueg-Althoff, Jörn ; Bellmann, Jörg ; Böhme, Marcus ; Böhm, Stefan ; Tekkaya, A. Erman ; Beyer, Eckhard ; Leyens, Christoph ; Wagner, Martin Franz-Xaver ; Groche, Peter (2021):
Interface Formation during Collision Welding of Aluminum. (Publisher's Version)
In: Metals, 10 (9), MDPI, ISSN 2075-4701,
DOI: 10.26083/tuprints-00018646,
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Item Type: Article
Origin: Secondary publication via sponsored Golden Open Access
Status: Publisher's Version
Title: Interface Formation during Collision Welding of Aluminum
Language: English
Abstract:

Collision welding is a high-speed joining technology based on the plastic deformation of at least one of the joining partners. During the process, several phenomena like the formation of a so-called jet and a cloud of particles occur and enable bond formation. However, the interaction of these phenomena and how they are influenced by the amount of kinetic energy is still unclear. In this paper, the results of three series of experiments with two different setups to determine the influence of the process parameters on the fundamental phenomena and relevant mechanisms of bond formation are presented. The welding processes are monitored by different methods, like high-speed imaging, photonic Doppler velocimetry and light emission measurements. The weld interfaces are analyzed by ultrasonic investigations, metallographic analyses by optical and scanning electron microscopy, and characterized by tensile shear tests. The results provide detailed information on the influence of the different process parameters on the classical welding window and allow a prediction of the different bond mechanisms. They show that during a single magnetic pulse welding process aluminum both fusion-like and solid-state welding can occur. Furthermore, the findings allow predicting the formation of the weld interface with respect to location and shape as well as its mechanical strength.

Journal or Publication Title: Metals
Journal volume: 10
Number: 9
Publisher: MDPI
Collation: 22 Seiten
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 600 Technik
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Divisions: 16 Department of Mechanical Engineering > Institut für Produktionstechnik und Umformmaschinen (PtU)
Date Deposited: 20 Jul 2021 08:40
Last Modified: 20 Jul 2021 08:41
DOI: 10.26083/tuprints-00018646
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-186460
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/18646
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