Unpublished conference/Abstract (Scientific congresses, symposiums and conference proceedings)
The effect of temperature and joining speed on the joining quality for conduction laser joining of metals to polymers
Amne Elahi, Mahdi; Hennico, Max; Plapper, Peter
2021Laser in Manufacturing (LiM)
 

Files


Full Text
LiM 2021.pdf
Publisher postprint (716.11 kB)
Download

All documents in ORBilu are protected by a user license.

Send to



Details



Keywords :
metal to polymer laser joining; temperature measurement; polyamide degradation; shear strength
Abstract :
[en] Laser joining of metals to polymers offers several advantages to produce lightweight hybrid assemblies. An important one is the exceptional control over the heat input which defines the temperature at the interface of the materials. Initially, the in-situ heating observation of PA inside ESEM is considered. Then, aluminum and polyamide are joined in an overlap configuration while the temperature was recorded simultaneously at different areas between the materials. The results show that due to excessive heat input, polyamide degrades and leaves bubbles in the melted area. Finally, the materials are laser joined with several joining speeds to investigate different cooling rates of the polyamide during the joining process. It is concluded that joining with high cooling rates generates an amorphous melted layer of the polyamide which is different from the semi-crystalline structure of the bulk. This difference acts as a stress concentration zone and reduces the shear strength of the assembly.
Disciplines :
Materials science & engineering
Author, co-author :
Amne Elahi, Mahdi ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
Hennico, Max
Plapper, Peter ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
External co-authors :
no
Language :
English
Title :
The effect of temperature and joining speed on the joining quality for conduction laser joining of metals to polymers
Publication date :
24 June 2021
Number of pages :
10
Event name :
Laser in Manufacturing (LiM)
Event organizer :
WLT
Event place :
Online, Germany
Event date :
21-24 June 2021
Audience :
International
Focus Area :
Physics and Materials Science
FnR Project :
FNR11633333 - Process Innovation For Sensors In Mobile Applications Based On Laser Assisted Metal-plastic Joining, 2017 (01/11/2017-31/10/2021) - Mahdi Amne Elahi
Funders :
FNR - Fonds National de la Recherche [LU]
Available on ORBilu :
since 15 July 2021

Statistics


Number of views
153 (22 by Unilu)
Number of downloads
46 (8 by Unilu)

Bibliography


Similar publications



Contact ORBilu