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Rui Liu

Rui Liu
Assistant Professor

Phone: 585-475-6819
Office: ENG/2533

Dr. Rui Liu is a visiting assistant professor in the Mechanical Engineering Department at the Rochester Institute of Technology. He received a B.S. degree in Jet Propulsion at Beijing University of Aeronautics and Astronautics, China, in 2005. From 2005 to 2008, he worked for Aircraft Maintenance & Engineering Corporation in China as a process engineer in engine subdivision. In 2010, he received his M.S. in Mechanical Engineering at Northeastern University focusing on investigating the vibration and failure characteristics of a rotating disk. In 2014, he completed his Ph.D. in Mechanical Engineering at Georgia Institute of Technology majoring in manufacturing.

Dr. Rui Liu’s research interests cover both the theoretical/computational and experimental studies of material behavior and microstructure evolution during various kinds of machining processes, especially turning, milling and hobbing. The experimental aspects focus on machining data collection, monitoring techniques, mechanical and microstructural characterization. The theoretical/computational study, which is the core theme of his research, is to understand, analyze and model the material behavior during various machining processes based on the fundamental cutting mechanics and associated microstructure evolution using both numerical and analytical approaches. His research contributions can be used to optimize the cutting conditions to increase the productivity, improve the production quality and extend the tool life.

Selected Publications

1. R. Liu, E. Eaton, M. Yu, “An Investigation of Side Flow during Chip Formation in Orthogonal Cutting”, submitted to Journal of Materials Processing Technology.

2. S.N. Melkote, R. Liu, P. Fernandez-Zelaia, T. Marusich, “A Physically-based Constitutive Model for Simulation of Segmented Chip Formation in Orthogonal Cutting of Commercially-Pure Titanium”, CIRP Annals Manufacturing Technology, Vol. 64(2015): 65-68.

3. R. Liu, M. Salahshoor, S.N. Melkote, T. Marusich, “A Unified Material Model Including Dislocation Drag and Its Application to Simulation of Orthogonal Cutting of OFHC Copper”, Journal of Materials Processing Technology, Vol. 216(2015): 328-338.

4. R. Liu, M. Salahshoor, S.N. Melkote, T. Marusich, “A Unified Internal State Variable Model for Inelastic Deformation and Microstructure Evolution in SS304”, Materials Science and Engineering: A., Vol. 594 (2014): 352-363.

5. R. Liu, S.N. Melkote, R. Pucha, J. Morehouse, X. Man, T. Marusich, “An Enhanced Constitutive Material Model for Machining of Ti–6Al–4V Alloy”, Journal of Materials Processing Technology, Vol. 213(2013): 2238-3346.

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