Dr. David L. Burris

Associate Professor
Department of Mechanical Engineering
University of Delaware
210 Spencer Lab
Newark, DE 19716

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Executive Summary

Dr. Burris is an Assistant Professor in the Mechanical Engineering Department at the University of Delaware. He studied solid mechanics, design, and manufacturing at the University of Florida and received his Ph.D. in Mechanical Engineering in 2007. His research interests are in the area of materials tribology; research activities target an improved understanding of the fundamental processes underlying friction and wear at contacting interfaces. Current research efforts are motivated by challenges of space lubrication, joint disease rehabilitation and prevention, and wind turbine drivetrain reliability.

Dr. Burris has two patents and four patents pending in the areas of polymer nanocomposites, wear resistant solid lubricants and in-situ lubrication strategies. He is the recipient of a 2009 AFOSR Young Investigator Award, the 2008 ASME Marshall B. Peterson Award, the 2009 STLE Walter D. Hodson Award, the 2010 ASME Pi Tau Sigma Gold Medal and a 2011 University of Florida Outstanding Young Alumnus Award.

Key Publications

In-Situ Studies of Cartilage Microtribology: Roles of Speed and Contact Area, E.D. Bonnevie, V.J. Baro, L. Wang, D.L. Burris, Tribology Letters 41 (2011) 83-95

A Quantitative Method for Measuring Nanocomposite Dispersion, H.S. Khare, D.L. Burris, Polymer 51 (2010) 719-729

Macroscopic Evidence of Thermally Activated Friction with Polytetrafluoroethylene, D.L. Burris, S.S. Perry and W.G. Sawyer, Tribology Letters 27 (2007) 323-328

Polymeric Nanocomposites for Tribological Applications, D.L. Burris, B. Boesl, J.R. Bourne and W.G. Sawyer, Macromolecular Materials and Engineering 292 (2007) 387-402

A Low Friction and Ultra Low Wear Rate PEEK/PTFE Composite, D.L. Burris and W.G. Sawyer, Wear 261 (2006) 410-418

Research Areas

Biomedical Engineering
Soft tissue tribology including cartilage, meniscus, hydrogels; lubrication and load support mechanisms; Osteoarthritis; tissue wear and degeneration, biomaterials engineering and joint replacement

Clean Energy
Wind turbine design, tribology, and reliability; energy conservation via design and synthesis of novel low friction tribomaterials

Composite Materials
Design and synthesis of tribological composite materials, functionally graded materials, hierarchically structured materials, multifunctional materials (strength, lubricity, dissipation of frictional power)

Low friction, low wear polymer nanocomposites for tribological applications; design; synthesis; characterization of dispersion, mechanical properties, crystallinity, crystalline morphology, interphase, tribology

Aerospace Engineering
Tribo-materials to lubricate moving mechanical assemblies in extreme air and space environments.

Cartilage load support and lubrication, relating tissue structure and function, relating deterioration of tissue structure and function, and understanding role in Osteoarthritis.

Design Science
Precision instrument design

Materials Engineering
Solid lubricant engineering; polymers science, composites, and nanocomposites; metal matrix composites, nanocomposite tribological coatings, diamond-like carbon, Polytetrafluoroethylene, Molybdenum disulfide and composites

Solid Mechanics
Contact and interface mechanics, failure of materials

Wind turbine design, tribology, and reliability; energy conservation via design and synthesis of novel low friction tribomaterials

Life & Health Sciences
Osteoarthritis (OA); functional consequences of tissue wear and degeneration, early stage OA and treatment, biomaterials engineering and joint replacement

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