The engineer, Sergay Belyakov, has undertaken the work as lead has fallen foul of health and environmental legislation as well as proving unreliable over time.
Commenting on his work, Belyakov said: “Traditional lead-based alloys have a 50 year history and there has been extensive investigation of their micro-structural stability and reliability.”
“New solder materials have been proposed to replace the traditional alloys but there may be a deterioration in the reliability of solder-joints and consequently, the reliability of a piece of electronic equipment.
“The objective of the research is to bridge the technical gaps and meet the challenges of lead-free solder application in the electronics industry through the fundamental understanding of lead-free assembly and reliability issues.
“The research also demonstrates the effect of lead-free solder alloy composition on the interfacial reactions and micro-structural features.”
Belyakov, who was awarded the Russian Presidential Grant to study at the University of Leicester, will present his work at the University of Leicester’s Festival of Postgraduate Research which takes place on 25 June.
Wired
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Date Published: June 24, 2009
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