Yb2Si2O7 Powder Description:
Yb2Si2O7 Powder is an agglomerated and sintered ytterbium disilicate material specifically engineered for use in the atmospheric plasma spray process. This powder is designed to produce high-density Environmental Barrier Coatings (EBCs) that offer robust protection for Ceramic Matrix Composites (CMCs) exposed to extreme temperatures. With a maximum service temperature of up to 1350°C (2460°F), Yb2Si2O7 coatings are highly effective in shielding lightweight, silicon-based CMCs from thermal damage. Key properties of Yb2Si2O7 include a low thermal expansion coefficient, low thermal conductivity, and excellent phase stability, which are crucial for maintaining coating integrity over time and temperature. Typically, these coatings are applied over silicon or silicon-based cermet bond coats and are used in high-performance applications such as airfoils, combustor liners, blade tracks, shrouds, and exhaust components.
Yb2Si2O7 Powder Specifications:
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Nominal Chemistry
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Yb2Si2O7
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Morphology
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Spheroidal
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Nom. Particle Size Distr.(µm)
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-90 +11
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Max. Service Temperature (°C)
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1350
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Yb2Si2O7 Powder Applications:
1. Airfoils: Coatings are applied to airfoil components in aerospace engines to shield them from high temperatures and extend their service life.
2. Combustor Liners: Used in combustor liners of gas turbines to protect the underlying CMCs from the harsh thermal environment and ensure operational efficiency.
3. Blade Tracks / Shrouds: Applied to blade tracks and shrouds in turbine engines to provide thermal protection and enhance component durability.
4. Exhaust Components: Coatings are utilized on exhaust components to withstand high temperatures and protect against thermal degradation.
Yb2Si2O7 Powder Packing:
Our Yb2Si2O7 Powder is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
Yb2Si2O7 Powder FAQ:
Q1: How does Yb2Si2O7 Powder improve the durability of Ceramic Matrix Composites (CMCs)?
A1: By providing a robust Environmental Barrier Coating, Yb2Si2O7 Powder protects CMCs from thermal damage and environmental degradation, significantly extending their service life and maintaining performance in high-temperature environments.
Q2: What are the typical bond coat materials used with Yb2Si2O7 Powder coatings?
A2: Typical bond coat materials for ytterbium disilicate coatings are silicon or silicon-based cermets, which provide a stable base for the EBC and enhance the overall effectiveness of the coating system.
Q3: What is the maximum service temperature for coatings made with Yb2Si2O7 Powder?
A3: Coatings produced with Yb2Si2O7 Powder can withstand service temperatures up to 1350°C (2460°F), making them suitable for applications requiring extreme thermal resistance.
