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Through the National Science Foundation’s Research
Experiences for Teachers (RET) program, at Auburn University in Auburn,
Alabama, Alice Smith of the Department of Industrial and Systems
Engineering received funding for two teachers for the summers of 2002
and 2003. Mark Jones, a science teacher at Drake Middle School (6th and
7th grades), and Cynda Fickert, a math teacher at Auburn Junior High
School (8th grade), joined the research team on the project “Relating
Field Data to Accelerated Life Testing (EEC-0002669)”. Both schools are
part of the Auburn City Schools. This school system serves a diverse
student body which includes approximately 30% low income students. This
project was conducted jointly with the interdisciplinary NSF sponsored
University / Industry Center for Advanced Vehicle Electronics (CAVE) and
DaimlerChrysler Electronics in Huntsville, Alabam a. The project aimed to
correlate wear and degradation of solder connections on under the hood
electronic components with that expected through accelerated testing
using temperature cycling. The test subject was the transmission
controller on Jeep light trucks.
Jones, with his background in the natural sciences, worked primarily on
the examination of the solder joint material through mechanical
testing and scanning electron microscope photos. Fickert concentrated on
the data analysis and statistical modeling for the correlation between
mileage of the field units and solder joint degradation as measured
through joint shear strength. |
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