About the Project
In this project we will explore the fundamental behaviour of the existing technology further to understand the key origin of the problems seen; these include microcrack formation in the joint region, and residual stresses after soldering, both of which contribute to reduced joint strength. We will fabricate and microscopically examine the joints produced between different solders and silver powders, to fully understand for the first time the interactions occurring and how they impact on the joint strength. Understanding the problem is just the first step however. Using the knowledge we gain, we will design new silver paste compositions to mitigate the problems. These novel alloys will be produced and processed at laboratory and trial scales, leading to validation of the alloy produced in accordance with industry standard methods. The work will involve close collaboration with the industrial partner, Johnson Matthey plc (a global science and chemicals company, with unique expertise in precious metals technology) through their technology centre in Sonning Common, Oxfordshire, UK and other sites, to trial the technology industrially.
The work would be suitable for researchers with a background in engineering or physical sciences such as physics or chemistry. Further discussion of the project and how the scope matches different fields would be welcomed by contacting Dr Russell Goodall ([Email Address Removed]).
Current UKRI stipend plus a top-up of £2,500p.a. in year 1, and £3,500p.a. in Years 2, 3, and 4, for UK and eligible EU students.
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