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Coatings & Surface Engineering

The Coatings & Surface Engineering is the place for conversation and discussion about coatings; substrate modifications; cleaning and surface preparation; and friction, lubrication and wear. Here, you'll find everything from application ideas, to news and industry trends, to hot topics and cutting edge innovations.

Water-repellent Material is Durable, Self-healing

Posted April 21, 2017 12:00 AM by Engineering360 eNewsletter

A self-healing, durable water-repellent coating has potential applications, ranging from clothing to roofs to ships. This new material represents a breakthrough in water-repellent finish, where decades of research have failed to produce a truly durable product.


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Defects Actually Strengthen Roman-era Concrete

Posted January 23, 2017 12:00 AM by Engineering360 eNewsletter

Small defects known as screw dislocations help account for the superiority of the Roman Empire's concrete. These defects provide small-scale plasticity that allows hardened concrete to adjust to stress over time. Researchers say that this new knowledge paves the way for designing stronger concrete and other complex materials.


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Turning Jackets into Solar-powered Wearables

Posted December 14, 2016 12:00 AM by Engineering360 eNewsletter

Researchers have developed a technology that uses solar cells to turn clothing into a source for limitless energy. Researchers say one day this technology could improve how soldiers in the field operate or even how smartphones are charged — maybe by simply slipping it into your pocket.


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Coating Enables an Unobstructed View into the Human Body

Posted November 18, 2016 12:00 AM by Engineering360 eNewsletter

Camera-guided endoscopes help clinicians look inside the body to diagnose and treat many different conditions. Researchers have engineered a transparent surface coating based on the slippery liquid-infused porous surfaces (SLIPS) technology. SLIPS can create self-cleaning surfaces that resist almost any fouling. To develop the technology for endoscopic use, the team needed to adapt SLIPS specifically to endure the harsh environment of a living body's cavities.


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Hydrogel That Doesn't Dry Out Could Be Used for Artificial Skin

Posted September 16, 2016 12:00 AM by Engineering360 eNewsletter

Engineers at the Massachusetts Institute of Technology (MIT) have created a way to keep hydrogels hydrated, using a technique that could lead to longer-lasting contact lenses, stretchy microfluidic devices, flexible bioelectronics, and even artificial skin. Inspired by the nature of human skin, the researchers devised a method to bind hydrogels to elastic polymers such as rubber and silicone that are stretchy like hydrogels, yet impervious to water. Coating the hydrogels with this thin elastomer layer provides a water-trapping barrier that keeps the hydrogel moist and flexible.


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