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An independent study on designing and building of an ASTM D5470 standard apparatus for testing thermal performance of various materials

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Conference

2025 ASEE Southeast Conference

Location

Mississippi State University, Mississippi

Publication Date

March 9, 2025

Start Date

March 9, 2025

End Date

March 11, 2025

Conference Session

Student Papers

Tagged Topic

Student Papers

Page Count

11

DOI

10.18260/1-2--54142

Permanent URL

https://peer.asee.org/54142

Download Count

130

Paper Authors

biography

Hammad Afzal Quddus Mercer University

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Hammad Quddus is an undergraduate student pursuing a B.S. in Mechanical Engineering at Mercer University expecting to graduate in May 2025. He has spent the past two years as an undergraduate research assistant under Dr. Chandan Roy, where he has worked on building and designing a cost-effective thermal interface material testing apparatus.

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Landon James Yarbrough Mercer University

biography

Megan Elizabeth Batchelor Mercer University

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I am a sophomore studying mechanical engineering at Mercer University.

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biography

Chandan Roy Mercer University

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Dr. Chandan Roy is an assistant professor in Mechanical Engineering in the School of Engineering at Mercer University in Macon, GA. He received his Ph.D. in Mechanical Engineering from Auburn University in Auburn, AL. Dr. Roy published many peer-reviewed articles. His research interests include engineering education, heat transfer, thermal management of electronics, thin film analysis, and thermal barrier coatings.

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Abstract

An independent study course in mechanical engineering was created. The goal was to design a thermal test setup for future research and to provide students with hands-on learning experience. A steady-state thermal test setup has been outlined in ASTM D5470 standard. The apparatus consists of two metered bars (hot & cold). Electrical heat is supplied through one bar as the other bar is cooled. The sample is placed between the two metered bars. Each meter bar is equipped with several temperature sensors to measure the drop across the sample. This setup can be used to measure the thermal resistance and thermal conductivity of various thermal interface materials (TIMs). The function of the TIM is to enhance the heat transfer between two solid surfaces by displacing the air gaps from the interfaces. An ideal TIM should have high thermal conductivity, low thermal resistance, high compliance, and excellent reliability. Three students have worked on this project through. This paper will describe the design and building of the setup. After building the setup, the students conducted a series of tests to assess the thermal performance of various TIMs, which will be discussed. Finally, through this study, students were exposed to a variety of laboratory tools, sharpened their ability to tackle practical challenges, and developed skills for data analysis and interpreting results.

Quddus, H. A., & Yarbrough, L. J., & Batchelor, M. E., & Roy, C. (2025, March), An independent study on designing and building of an ASTM D5470 standard apparatus for testing thermal performance of various materials Paper presented at 2025 ASEE Southeast Conference , Mississippi State University, Mississippi. 10.18260/1-2--54142

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