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Multi-scale Characterization and Visualization of Metallic Structures to Improve Solid Mechanics Education

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Conference

2019 ASEE Annual Conference & Exposition

Location

Tampa, Florida

Publication Date

June 15, 2019

Start Date

June 15, 2019

End Date

June 19, 2019

Conference Session

Mechanical Engineering Division Technical Session 1

Tagged Division

Mechanical Engineering

Page Count

13

DOI

10.18260/1-2--33128

Permanent URL

https://peer.asee.org/33128

Download Count

192

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Paper Authors

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Jingyu Wang University of Oklahoma

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PhD candidate at OU

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Nyree Mason Tuskegee University

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Graduate research assistant

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Firas Akasheh Tuskegee University

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Dr. Akasheh has been with the Mechanical Engineering Department at Tuskegee University since 2008. His primary interest is in the area of solid mechanics and manufacturing as well as the integration of best practices in engineering education.

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Gül E. Okudan Kremer Iowa State University

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Gül E. Kremer received her PhD from the Department of Engineering Management and Systems Engineering of Missouri University of Science & Technology. Her research interests include multi-criteria decision analysis methods applied to improvement of products and systems. She is a senior member of IIE, a fellow of ASME, a former Fulbright scholar and NRC Faculty Fellow. Her recent research focus includes sustainable product design and enhancing creativity in engineering design settings.

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Zahed Siddique University of Oklahoma

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Zahed Siddique is a Professor of Mechanical Engineering at the School of Aerospace and Mechanical Engineering of University of Oklahoma. His research interest include product family design, advanced material and engineering education. He is interested in motivation of engineering students, peer-to-peer learning, flat learning environments, technology assisted engineering education and experiential learning. He is the coordinator of the industry sponsored capstone from at his school and is the advisor of OU's FSAE team.

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Yingtao Liu University of Oklahoma

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Dr. Yingtao Liu is an assistant professor in the School of Aerospace and Mechanical Engineering at the University of Oklahoma (OU). Before joining OU, he was an assistant research scientist in the AIMS center at Arizona State University from 2012 to 2014. His research expertise include the development, advanced manufacturing, and application of lightweight composites and nanocomposites, smart structures, non-destructive evaluation, structural health monitoring and prognostics.

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Abstract

This paper presents the development and preliminary implementation of a multi-scale material and mechanics education module to improve undergraduate solid mechanics education. We experimentally characterize 3D printed and conventional wrought aluminum samples and collect structural images and perform testing at the micro- and macro- scales. At the micro-scale, we focus on the visualization of material’s grain structures. At the macro-scale, standard material characterization following ASTM standards is conducted to obtain the macroscopic behavior. Digital image correlation technology is employed to obtain the two-dimensional strain field during the macro-scale testing. An evaluation of student learning of solid mechanics and materials behavior concepts is carried out to establish as baseline before further interventions are introduced. The established multi-scale mechanics and materials testing dataset will be also used in a broad range of undergraduate courses, such as Solid Mechanics, Design of Mechanical Components, and Manufacturing Processes, to inform curricular improvement. The successful implementation of this multi-scale approach for education is likely to enhance students’ understanding of abstract solid mechanics theories and establish links between mechanics and materials concepts. More broadly, this approach will assist advanced solid mechanics education in undergraduate engineering education throughout the country.

Wang, J., & Mason, N., & Akasheh, F., & Okudan Kremer, G. E., & Siddique, Z., & Liu, Y. (2019, June), Multi-scale Characterization and Visualization of Metallic Structures to Improve Solid Mechanics Education Paper presented at 2019 ASEE Annual Conference & Exposition , Tampa, Florida. 10.18260/1-2--33128

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