Ni 4Cr 4Al 21Bentonite Powder Description:
Ni 4Cr 4Al 21Bentonite Powder is a specialized cermet powder featuring a nickel chromium aluminum alloy encapsulating a stabilized bentonite core through a chemical cladding process. This composite powder ensures robustness and uniformity, with high erosion resistance and tailored abradability for optimal performance in high-temperature, high-pressure environments such as jet engine compressor seals. Extensive testing has demonstrated excellent oxidation resistance, making it a reliable choice for enhancing clearance control and durability in demanding 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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Ni 4Cr 4Al 21Bentonite Powder Applications:
Ni 4Cr 4Al 21Bentonite Powder is specifically applied as an abradable coating material in the high-temperature, high-pressure sections of jet engine compressors. It effectively optimizes clearance control in seal areas, thereby maximizing gas path efficiency and minimizing wear on rotating components. This powder plays a critical role in ensuring reliable performance and extended service life of aerospace equipment operating in demanding conditions.
Ni 4Cr 4Al 21Bentonite Powder Packing:
Our Ni 4Cr 4Al 21Bentonite Powder is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
Ni 4Cr 4Al 21Bentonite Powder FAQ:
Q1: What are the key advantages of using Ni 4Cr 4Al 21Bentonite Powder in jet engine compressors?
A1: Ni 4Cr 4Al 21Bentonite Powder optimizes clearance control, enhances gas path efficiency, and minimizes wear on rotating components in high-temperature environments, ensuring improved operational reliability and longevity.
Q2: How is Ni 4Cr 4Al 21Bentonite Powder manufactured, and what makes it suitable for aerospace applications?
A2: The powder is produced through a chemical cladding process, encapsulating a stabilized bentonite core within a nickel-chromium aluminum alloy. This manufacturing method ensures robustness, uniformity, and high erosion resistance, crucial 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 assess oxidation resistance, confirms the reliability of Ni 4Cr 4Al 21Bentonite coatings. They have been extensively used and validated in jet engine compressors, accumulating millions of flight hours.
