Surface Finishing Overview

Superalloy Components Surface Finishings

Neway provides surface finishings for superalloy components such as precision machining, polishing, and thermal coatings. These finishings enhance performance by improving wear resistance, reducing friction, increasing durability in high-temperature, high-stress environments, and meeting strict industry standards for aerospace, energy, and other sectors.

Thermal Barrier Coating (TBC)

Thermal Barrier Coating (TBC) is a protective layer applied to components exposed to extreme heat, such as turbine blades. Made of ceramic materials, TBC reduces heat transfer, allowing parts to operate at higher temperatures while enhancing durability and performance, especially in aerospace and power generation industries.
Thermal Barrier Coating (TBC)

Benefits

How It Works

Thermal Protection

TBC acts as an insulating layer, reducing the heat that reaches the superalloy part. This helps maintain the structural integrity of the alloy, even at temperatures as high as 1,200°C (2,192°F). In aerospace, for instance, TBC is crucial for turbine blades, combustion chambers, and afterburners, ensuring they can operate safely at elevated temperatures.

Oxidation and Corrosion Resistance

High-temperature environments often lead to oxidation and corrosion, weakening the superalloy. TBC creates a protective barrier that minimizes exposure to corrosive gases and oxidation, extending the component's life.

Reduced Thermal Fatigue

Repeated heating and cooling cycles can lead to thermal fatigue, causing cracks in the superalloy. TBC minimizes the temperature fluctuations experienced by the base material, lowering the likelihood of thermal fatigue.

Enhanced Efficiency

TBC allows for higher operating temperatures in engines and turbines, which improves efficiency in applications like jet engines and power turbines. Higher temperature operation increases the overall performance and fuel efficiency.

Prolonged Lifespan

By shielding the superalloy part from extreme heat and corrosion, TBC significantly extends the service life of components, reducing the need for frequent replacements and lowering maintenance costs.

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2023-04-20
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