COI Ceramics Nextel™ AS-N720 Oxide Ceramic Matrix Composite, Aluminosilicate

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COI Ceramics Nextel™ AS-N720 Oxide Ceramic Matrix Composite, Aluminosilicate
Categories:	Ceramic; Ceramic Matrix Composite; Oxide; Aluminum Oxide; Silicon Oxide
Material Notes:	Description: Oxide ceramic matrix composites products are based upon sol-gel derived matrices and 3M Corporation's Nextel™ fiber products. These materials can be used up to 1200ºC (2200ºF) in air environments and are primarily used in both Aerospace and Gas Turbine applications. Ceramic Matrix System: Water Based Sol-Gel Processing, Versatile Matrix Chemistry Typical Applications for Oxide CMCs: Rotocraft Exhaust Systems, Advanced Thermal, Advanced Combustor Highest Temperature & Creep Performance Information from COI Ceramics, Inc.
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Physical Properties	Original Value	Comments

Density	2.60 g/cc
Porosity	25 %

Mechanical Properties	Original Value	Comments
Tensile Strength	220 MPa
Tensile Stress at Strain	13.0 ksi @Strain 0.1 %
	22.0 ksi @Strain 0.2 %
	30.0 ksi @Strain 0.3 %
Tensile Modulus	76.0 GPa
Shear Strength	14.3 MPa	Short Beam

Thermal Properties	Original Value	Comments
CTE, linear	6.30 µm/m-°C
Maximum Service Temperature, Air	1100 °C

Descriptive Properties
Nominal Fiber Volume (%)	45

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CCOIC002 / 122042

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