Master Thesis - Post-treatment Of Additively Manufactured Electrically Conductive Structures With Silver Nanoparticles
Post-treatment of additively manufactured electrically conductive structures with silver nanoparticles
by Lorenz Eckle
Acknowledgements:
Univ.-Prof. Dr. Eric A. Jägle (UniBw München)
Dr.-Ing. habil Jens Holtmannspötter (WIWeB Erding)
Overview
The development and testing of additive manufacturing technologies
as part of ongoing projects at the Defense Science Institute for Materials and Operating Supplies (WIWeB) in Erding includes, among other things, research in the area of additively manufactured electrically conductive structures.
This work aims to investigate a modern multijet process that creates an electrically conductive structure using a suspension of silver nanoparticle inks.
The conductive structure is then treated with infrared radiation and a heating oven, which leads to sintering of the silver nanoparticles.
The aim of the work is to investigate the behavior of the suspension or the structure made of silver nanoparticles under the influence of heat and to optimize the post-treatment process.
The Task Includes
- Familiarization / small literature research on the state of the art in the area of additively manufactured conductive structures
- Characterization of the suspension of silver nanoparticles using IR, XPS, SEM and other analytical methods
- Thermoanalytical studies of the suspension of silver nanoparticles
- Printing of suitable test specimens (in cooperation with J.A.M.E.S)
- Thermal post-treatment of prints
- Scanning electron microscopic observation of the printed and post-treated samples
- Electrical characterization of samples
- Evaluation, discussion and documentation of the results.
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Introducing
THE INSTITUTE OF MATERIAL SCIENCE:
The Institute of Materials Science is engaged in investigations on
- Development of new and improved materials for additive manufacturing processes
- Interaction between additive manufacturing processes and the microstructure of metallic materials
- Propagation measurement of fatigue cracks, especially by multi-potential probe and lockin thermography
- Lifetime prediction of metallic materials
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