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Evaluating fundamental material properties of selective soldering nozzles to enhance wetting and improve nozzle lifetime.


   Centre for Clean Growth and Future Mobility

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  Dr J Graves  No more applications being accepted  Funded PhD Project (Students Worldwide)

Coventry United Kingdom Electrical Engineering Manufacturing Engineering Materials Science

About the Project

An exciting opportunity has become available for a graduate/masters candidate, to work on a match-funded PhD project with Coventry University and Pillarhouse International. Pillarhouse is a worldwide leading force in the selective soldering industry, dedicated to the ongoing development of pioneering technologies.

Selective Soldering is a process to solder individual components on a printed circuit board using a solder fountain. The machine typically includes a soldering pot that feeds a nozzle to form the fountain. The fountain moves to solder the components from underneath.

Nozzle materials must wet to solder, however this eventually causes wear of the base metal. The wetting process for solder is reactive in that a thin intermetallic layer is formed as the solder diffuses into the metal. This fundamental interaction is key to understanding the wetting of the nozzle and its subsequent wear. Examining this relationship between nozzle material and solder will be thought provoking and guide the material selection of advanced, durable nozzles for an extended operating lifetime.

This project will be based in the Materials and Manufacturing Research Centre. The student will gain skills in material characterisation techniques (SEM, EDX, EBSD, FIB) and surface wetting (room and high temperature goniometer).

Training and Development

The successful candidate will receive comprehensive research training including technical, personal and professional skills.

All researchers at Coventry University (from PhD to Professor) are part of the Doctoral College and Centre for Research Capability and Development, which provides support with high-quality training and career development activities. 

Entry criteria for applicants to PHD 

A First Degree in an appropriate discipline such as Materials Science, Chemistry, Physics, Manufacturing Engineering or a related subject.

A Masters Degree in the following would be desirable: Materials Science, Metallurgy, Electrochemistry, Electronics Manufacturing or a related subject.

PLUS 

the potential to engage in innovative research and to complete the PhD within a 3.5 years

·      a minimum of English language proficiency (IELTS overall minimum score of 7.0 with a minimum of 6.5 in each component)

For further details see: https://www.coventry.ac.uk/research/research-students/making-an-application/

How to apply

To find out more about the project please contact Dr. John Graves ([Email Address Removed])

To apply on line please visit: https://pgrplus.coventry.ac.uk/studentships/eec-evaluating-fundamental-material-properties-of-selective-soldering-nozzles-to-enhance-wetting-and-improve-nozzle-lifetime

All applications require full supporting documentation, a covering letter, plus a minimum 500-word supporting statement showing how the applicant’s expertise and interests are relevant to the project. 

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