Ni 4Cr 4Al 21Bentonite Powder Description:
Ni 4Cr 4Al 21Bentonite Powder is a unique cermet powder composed of a nickel-chromium-aluminum alloy that encapsulates a stabilized bentonite core via a chemical cladding process. This composite powder provides exceptional durability and uniformity, with superior erosion resistance and customized abradability, ensuring optimal performance in high-temperature, high-pressure environments like jet engine compressor seals. Extensive testing has shown its outstanding oxidation resistance, making it a dependable option for improving clearance control and durability in challenging aerospace applications.
Ni 4Cr 4Al 21Bentonite Powder Specifications:
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Nominal Chemistry
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Ni 4Cr 4Al 21Bentonite
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Nom. Particle Size Distr.(µm)
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-177 +74/-149 +45/-150 +45/-106 +30
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Morphology
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Rounded
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Max. Service Temperature (°C)
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480
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Achieved Macrohardness
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60 HR15Y
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Range of Apparent Density (g/cm3)
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2.0
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Applications of Ni 4Cr 4Al 21Bentonite Powder:
Ni 4Cr 4Al 21Bentonite Powder is specifically designed as an abradable coating material for the high-temperature, high-pressure sections of jet engine compressors. It effectively enhances clearance control in seal areas, maximizing gas path efficiency and minimizing wear on rotating components. This powder is crucial for ensuring reliable performance and extended service life of aerospace equipment operating under demanding conditions.
Packing of Ni 4Cr 4Al 21Bentonite Powder:
Our Ni 4Cr 4Al 21Bentonite Powder is meticulously handled during storage and transportation to maintain its quality in its original condition.
FAQ for Ni 4Cr 4Al 21Bentonite Powder:
Q1: What are the main benefits of using Ni 4Cr 4Al 21Bentonite Powder in jet engine compressors?
A1: Ni 4Cr 4Al 21Bentonite Powder improves clearance control, enhances gas path efficiency, and reduces wear on rotating components in high-temperature environments, thereby ensuring better operational reliability and extended longevity.
Q2: How is Ni 4Cr 4Al 21Bentonite Powder produced, and why is it ideal for aerospace applications?
A2: The powder is manufactured through a chemical cladding process that encapsulates a stabilized bentonite core within a nickel-chromium-aluminum alloy. This method ensures durability, uniformity, and high erosion resistance, making it ideal for aerospace components.
Q3: What testing and certifications validate the performance of Ni 4Cr 4Al 21Bentonite coatings in aerospace applications?
A3: Extensive testing, including over 8000 hours at 650°C (1200°F) to evaluate oxidation resistance, confirms the reliability of Ni 4Cr 4Al 21Bentonite coatings. They have been widely used and validated in jet engine compressors, amassing millions of flight hours.
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