Research in friction, wear, and lubrication of bearing surfaces
The Tribology and Biomaterials Research Lab conducts research on the friction, wear, and lubrication of bearing surfaces, particularly biomaterials for orthopedic implants. We hope to develop robust bearing surfaces for extreme conditions such as high-temperatures, loads, or speeds, repetitive motions, and corrosive environments; without compromising design requirements such as strength, toughness, or bio-compatibility.
Faculty Supervisors
Dr. Quentin Allen specializes in the tribology of orthopedic implants. He has experience with tribology experiments, lubrication simulations, and materials science.
Areas of Interest
Precision Manufacturing: Advanced materials, particularly ceramics, are extremely difficult to machine. We are studying various precision manufacturing methods such as laser machining, photolithography and chemical etching, and electric discharge machining (EDM). We quantify the material removal, accuracy, and effect on microstructures and material properties to optimize the manufacturing processes.
Orthopedic Implants: The statistical survivorship of orthopedic implants declines sharply after 15-20 years in the human body. Many patients outlive their joint replacements and require complicated revision surgeries. Our goal is to improve the longevity of joint replacements by minimizing the friction and wear.
Surface Modification: Modifying bearing surfaces impacts the friction, wear, and lubrication of those surfaces. Surface textures can increase the lubricant film pressure and lubricant film thickness to reduce surface contact between bearing surfaces. Laser processing can modify the microstructure and increase the hardness of metallic surfaces to make them more wear-resistant. Surface coatings can increase hardness and decrease surface roughness of bearing surfaces while maintaining bulk material properties.
Opportunities
The Tribology and Biomaterials Lab is hiring! If you are an undergraduate student interested in this research, contact Quentin Allen for information on how to apply. Thesis topics for Master's and Doctorate students are also available.