Tribology of Thin PTFE Coatings | Dr. Min | Tribology Webinar

PTFE (Teflon) is famous for its low friction and non-stick properties—but making it durable as a thin coating has challenged engineers for decades.

In this TriboNet webinar, Dr. Min, Professor of Mechanical Engineering at the University of Arkansas, shares her research group’s decade-long journey to solve PTFE’s biggest limitation: poor adhesion and weak cohesion.

Her team’s bio-inspired approach uses an ultra-thin polydopamine (PDA) adhesive layer, combined with nanoparticles and annealing optimization, to achieve a 500× improvement in coating life—without altering component geometry.

Key Topics Covered:

Why PTFE is ideal yet problematic for thin coatings

Mussel-inspired polydopamine (PDA) as a universal adhesion layer

Reinforcing PTFE with gold, copper, and graphite nanoparticles

The role of annealing temperature and time in wear resistance

Experimental results and molecular simulations of coating morphology

Adhesion vs. cohesion: solving one challenge while tackling another

Industrial applications in biomedical, aerospace, and precision systems

🔗 Learn more on TriboNet.org:

Thin Film Tribology

Bio-Inspired Materials in Tribology

Nanoparticles in Lubrication and Coatings

Coatings and Surface Engineering

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