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Voiland College of Engineering and Architecture Voiland College of Engineering and Architecture

MME Seminar Series Welcomes Dr. Erin Barker, Pacific Northwest National Laboratory

In ETRL 101

Refreshments served in ETRL 119 at 10:30 am

Process to Structure to Property Modeling of Dissimilar Material Joining

Abstract

The automotive industry has been taking specific steps to reduce vehicle to improve fuel economy.  Materials such as aluminum and magnesium alloys have been investigated as alternatives to heavy steel components.           Advanced high strength steels have also been developed to target a regime of higher strength but lower weight.  Introducing a variety of materials for the structural and non-structural components of the vehicle requires designers and engineering to consider how to join the materials. This variety of        materials often have very different metaling point ruling out traditional joining techniques.  This talk will describe the friction stir scribe joining technique and how modeling is being used to understanding the underlying physics occurring during the process.  The techniques being used to model the   process to structure and structure to properties linkages will also be         discussed.

Biography

Erin Iesulauro Barker received her Ph.D in Civil Engineering from Cornell University in 2006.  At Cornell, she was a member of the Cornell Fracture Group where she focused on computational solid mechanics and fracture mechanics as well as software development.  She began her career at Los Alamos National Lab as a post-doc and then staff scientist working on multi-physics and multi-scale simulation capabilities.  In 2010, she joined PNNL in the Computational Engineering Group.  Her work has focused on developing models for material behavior and failure at the microstructure scale.  She is also heavily involved in developing software tools and frameworks for material modeling from synthetic sample generation to high performance computing simulation capabilities.  Erin is currently the Acting Group Lead for the Computational Engineering Group.

 

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