Study on Various Chemical Systems for the Preparation and Application of Nickel Nanopastes for Joining Processes
Benjamin Sattler, Susann Hausner, Guntram Wagner
TL;DR
This study explores nickel nanopastes for joining processes, showing how different chemical compositions affect their performance and joint strength.
Contribution
The paper introduces high-metal-content nickel nanopastes with insights into how organic components influence their properties and joining performance.
Findings
Nickel nanopastes with 70 wt.% metal content were successfully prepared using solvent–stabilizer systems.
A paste composed of terpineol and KD4 showed the best manufacturability and joining strength on mild steel DC01.
Paste composition significantly impacts the joint's microstructure and overall strength.
Abstract
Nanojoining, which utilizes nanoparticles for joining applications, is an interesting method that stands out from conventional processes by combining relatively low joining temperatures with high service temperatures. To use the nanoparticles for this purpose, it has proven useful to process them as a paste. The chemical composition of such a nanopaste has a certain influence on the properties ultimately achieved by the joint. While nickel nanoparticles represent the metal content of the here investigated nanopastes, a variety of substances can be utilized as organic components to form the actual paste-like suspension. Derived from the literature on nanoparticle synthesis, a variety of candidates were identified from which numerous paste compositions were developed for this work. So, high metal content (70 wt.%) nickel nanopastes were prepared from these solvent–stabilizer systems by…
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Taxonomy
TopicsUltrasound and Cavitation Phenomena · Material Properties and Applications · nanoparticles nucleation surface interactions