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Laboratory Project Determining the Effect of Process Types on the Mechanical Properties

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2019 ASEE Annual Conference & Exposition


Tampa, Florida

Publication Date

June 15, 2019

Start Date

June 15, 2019

End Date

October 19, 2019

Conference Session

Issues in Mechanical Engineering Technology II

Tagged Division

Engineering Technology

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Paper Authors


Wei Dai Vian Purdue University, West Lafayette

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Wei Vian is a continuing lecturer in the program of Mechanical Engineering Technology at Purdue University Statewide Kokomo campus. She got her Ph.D from Purdue Polytechnic, Purdue University, West Lafayette. She got her bachelor and master degree both from Eastern Michigan University. Her recent research interests include grain refinement of aluminum alloys, metal casting design, and innovation in engineering technology education.

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Nancy L. Denton P.E. Purdue Polytechnic Institute's School of Engineering Technology

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Nancy L. Denton, PE, CVA3, is a professor in Purdue University's School of Engineering Technology, where she serves as associate head for MET. She is a past member of the Vibration Institute's Board Directors, and serves on their Academic and Certification Scheme Committees. She is a Fellow of ASEE and a member of ASME.

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To enhance learning efficiency, improve critical thinking ability, and develop potential research interest, a laboratory project of a mechanics course has been innovated for sophomore-level students in a mechanical engineering technology (MET) program at XXXXXX University. In this group project, students will compare and analyze the data collected from both hardness and tensile testing of ABS (Acrylonitrile butadiene styrene) specimens. The laboratory procedures and the testing specimen geometries follow appropriate standards for materials testing. The experiment includes a study on the effects of manufacturing process and plastic colorants by using two different manufacturing processes and six different colors. After two semesters learning of materials and processes in the freshmen year, students are expected to test, compare, and explore the difference in the results caused by the variability in manufacturing process and material. The understanding of mechanical properties, such as resilience, yield stress, normal strain, and modulus of elasticity, are strengthened and extended from the textbook and the lectures. At the same time, this project helps students get more hands-on practice in working on sample production, measurement, and testing processes. Pre- and post-surveys focused toward learning efficiency, research interest, laboratory experience, and team working will be completed by the students. This paper will present the results of both surveys and the discussion and conclusion from the students’ project reports.

Keywords: Tensile test, Hardness, Colorant, Specimen manufacture

Vian, W. D., & Denton, N. L. (2019, June), Laboratory Project Determining the Effect of Process Types on the Mechanical Properties Paper presented at 2019 ASEE Annual Conference & Exposition , Tampa, Florida. 10.18260/1-2--33043

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