Scratch-Resistant Coatings for Architectural Glass
(Room Wabash 2)
10 May 16
3:40 PM
-
4:20 PM
Tracks:
Large Area Coatings
The market of Low-E and solar control glazing has risen in the past decade to reach over 600 million square meters annually. These optical coatings consist of multilayer stacks of metals and metal-oxides of a total thickness ranging from a few tens to a few hundred nanometers. Demand for large area antireflective coating for building glazing and lobbies is growing fast as well. While optical performance of coated glass is constantly improved and prices are falling, the scratch-resistance needs to be ensured to survive the different processing chain steps of fabrication, transformation and transportation. In this talk, some insights on the mechanics of these multilayer coatings under different load and environment conditions will be given. The various processing steps where specific mechanical failure can potentially appear will be addressed. Finally, some design rules and solutions in order to produce scratch-resistant coatings for architecture application will be outlined. I will conclude the talk with an attempt to propose some directions for future research and development in large area coatings on glass.