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	Metric	English	Comments

Density	2.60 g/cc	0.0939 lb/in³
Porosity	25 %	25 %

Mechanical Properties	Metric	English	Comments
Tensile Strength	220 MPa	31900 psi
Tensile Stress at Strain	89.6 MPa @Strain 0.1 %	13000 psi @Strain 0.1 %
	152 MPa @Strain 0.2 %	22000 psi @Strain 0.2 %
	207 MPa @Strain 0.3 %	30000 psi @Strain 0.3 %
Tensile Modulus	76.0 GPa	11000 ksi
Shear Strength	14.3 MPa	2070 psi	Short Beam

Thermal Properties	Metric	English	Comments
CTE, linear	6.30 µm/m-°C	3.50 µin/in-°F
Maximum Service Temperature, Air	1100 °C	2010 °F

Descriptive Properties
Nominal Fiber Volume (%)	45

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CCOIC002 / 122042

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