Techniques Surfaces (Thailand) Ltd.

CERTESS® CARBON – DLC Coating with High Hardness and Low Friction

CERTESS® CARBON is a DLC (Diamond-Like Carbon) coating technology formed through the PACVD (Plasma Enhanced Chemical Vapor Deposition) process. This technology is composed of multiple sublayers using materials such as Cr, CrN, WC, and WCC as a base, with the top layer consisting of an amorphous carbon layer that either contains hydrogen (a-C:H) or is hydrogen-free (ta-C).CERTESS® CARBON combines high hardness (500–6000 HV) with excellent frictional properties, improving the durability of components while maintaining dimensional accuracy and surface smoothness.
■ Features
High Hardness: 1500–3200 HV (3–5 times harder than conventional coatings)
Low Friction Coefficient: 5–10 times lower than TiN or TiCN coatings
Flexible Adaptability: Customizable based on applications with or without hydrogen
Dimensional and Surface Precision: Ideal for precision-machined components
■ Capabilities
Material Compatibility: Applicable to a wide range of materials, including steel, cast iron, carbides, high-density sintered materials, Inconel alloys, aluminum, copper, and titanium alloys.
Exceptional Tribological Performance: Reduces wear and friction, contributing to extended component lifespan.
■ Applications
CERTESS® CARBON is widely adopted in the automotive industry for engine and transmission components, delivering enhanced performance in the following use cases:
Engine Components: Valves, camshafts, tappets
Machine Components: Gears, fork tubes, injection systems
Mobile Hinge Parts: Particularly effective in areas prone to friction and wear
■ Use Cases
Automotive Components: Improves fuel efficiency and reduces CO2 emissions through friction reduction
Aerospace Industry: Enhances wear resistance and reduces weight
Medical Devices: Suitable for components requiring high precision and durability
CERTESS® CARBON offers performance that surpasses conventional surface coating technologies, contributing to the extended lifespan of engine and mechanical components.
■ For more details, please contact us.

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CERTESS® CARBON – DLC Coating with High Hardness and Low Friction

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