Development of highly durable and low friction micro-structured PDMS coating based on bio-inspired surface design. Issue 1 (2015)

• Record Type: Journal Article
• Authors: Ryu, Byung-Hoon; Kim, Dae-Eun
• Is Part Of: CIRP annals. Volume 64:Issue 1(2015)
• Page Start: 519
• Page End: 522
• Publication Date: 2015
• Subjects: Friction -- Wear -- Micro-structure; Production engineering -- Research -- Periodicals; 670.5
• DOI: 10.1016/j.cirp.2015.03.004
• Languages: English
• ISSNs: 0007-8506

Abstract

Abstract: A novel micro-structured PDMS coating with high durability and relatively low friction was successfully replicated from a lotus leaf. Unlike the bio-inspired coatings developed previously, the micro-structured PDMS specimen could be fabricated in the form of a coating which could be successfully deposited on a solid surface. Results showed that friction and wear of the micro-structured PDMS specimens were significantly lower than those of the smooth specimens. It was also found that the wear resistance of micro-structured PDMS coating with 200 μm thickness was much higher than that of the micro-structured PDMS bulk specimen. The drastically high durability of the PDMS coating specimen was attributed to frictional energy dissipation through elastic deformation of the micro-structures.