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Supertough Coatings - Emerging Trends In DLCS, Nitrides, Borides, And Oxides—3rd Edition
Frost & Sullivan, Nov 2001
The ability to prevent or slow down the corrosion caused by harsh environmental elements or reactions to chemical immersion is a growing require-ment
in the industrial marketplace.
Supertough coating technology provides the properties needed to combat wear resistance, friction coefficients, reflectivity, electrical conductivity
and surface tension component wear by creating a protective surface on a material or component.
The pace of developments in this area is dizzying. The busy engineer, developer, or executive finds it virtually impossible to keep up with fast
breaking news in the field. Technical Insights’ report on this topic not only identifies the important news, it takes you into the research and develop-ment
laboratories of all the important players and brings you key details of their progress.
Technical Insights report separates the good news from the mundane by providing the following:
- A detailed overview of technological advances in development laboratories
- Identification of key companies and developers and provision of estimates of timelines for commercializing technology
- Definitions of key markets and applications
- Reporting on technology drivers as well as obstacles in the way of commercial success
- A detailed list of key contacts in the field, including names, titles, addresses, phone numbers, e-mail addresses, and URLs
Industries use tough coatings to hinder the deterioration of components that occurs in both high- and low-temperature environments, says
Technical Insights Analyst Joe Constance. Tough coatings, and the continuing development of this technology, are allowing novel and diverse
approaches to extend component life, and are lowering machinery replacement costs industry wide.
The use of tough coatings continues to stretch into a variety of applications and environments. Tough coatings battle the adhesive that occurs when
surfaces slide against one another, and fragments from one surface adhere to the other. They also fight the abrasive wear that occurs when a harder
surface moves or rubs in contact with a softer one. Tough coatings battle the abrasive particles that exist between moving surfaces, and provide pro-tection
when fibers or threads are drawn across surfaces at high speeds.
Tough coatings address many other types of wear such as fretting wear, a result of vibration and rotational stress between bolted flanges and collars,
causing minute but destructive pitting and mechanical failure. They prevent the impact wear from when repetitive separation and closure breaks
down a surface. Coatings decrease cavitation, which exists when liquids flowing at high pressure and velocity transmit hydraulic shock that fatigues
and degrades a surface.
There are varieties of coating systems that address these applications, including systems composing aluminum-bronze, copper-nickel, oxide and car-bide
materials. Heat-resistant coatings inhibit the transfer of heat by establishing a thermal barrier between a substrate and a high temperature envi-ronment.
Oxidation-resistant coatings provide protection when metals are exposed to high temperatures in air, such as in furnaces, continuous-cast
molds, galvanizing tanks and combustor liners.
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