Dr. Donald Cohen’s next Surface Roughness, Texture, and Tribology 2-Day class dates have been announced! Join us May 13–14, 2026 for a deep dive into surface texture and how it impacts sealing, friction, wear, appearance, noise, and more.
“I didn’t expect to learn SO MUCH!” – 2025 class attendee
The annual, 2-day class is a great opportunity to learn both fundamental and advanced surface texture analysis and tribology. The class fills up fast, so register soon to save your spot!
NEW CLASS DATE! May 13–14, 2026, Livonia, Michigan
Location: 17199 N. Laurel Park Dr, Livonia MI, 48152
Both class days run 8:00 am–4:30 pm, with light breakfast and lunch included.