iNEMI LEAD-FREE ALLOY ALTERNATIVES PROJECT REPORT: THERMAL FATIGUE EXPERIMENTS AND ALLOY TEST REQUIREMENTSAuthors: Gregory Henshall, Ph.D., et al.
Date Published: 10/4/2009 Conference: SMTA International
Thus, one direction the project is taking is to perform experiments that will provide the industry with a clearer indication of the effect of alloy composition on the reliability performance of alloys in thermal cycling, including acceleration behavior. The other direction is the identification of a suite of test methods that companies can use to determine the suitability of a particular solder for their application.
This paper describes the experimental program devised for evaluating the performance of a range of alternative alloys in thermal cycling. Also discussed is the team's progress toward establishing standard test methods that could provide the industry with a basis for evaluating any lead-free solder from among the increasing number being offered.
Key words: Lead-free alloys, alternative alloys, low silver alloys, microalloying, reliability
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