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Momentive Performance Materials Tantalum Carbide (TaC) Coating

Category Ceramic , Carbide , Other Engineering Material , Ceramic/Metallic Coating
Manufacturer Momentive Performance Materials (Former GE Advanced Ceramics)
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Momentive Performance Materials Tantalum Carbide (TaC) Coating.pdf
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Material Notes:
High temperature protective coating for graphite.TaC, NbC, and ZrC coatings resist chemical attack by corrosive liquids and gases at very high temperatures. They are finding increasing acceptance in the sealing and protecting of graphite hardware from hot ammonia, hydrogen, hydrochloric acid, and molten metals used in compound semiconductor epitaxial processes such as MOCVD and LPE. These carbide coatings are uniform, impermeable, electrically conductive, and extremely wear resistant thus providing long life and low particle generation.Information provided by Momentive Performance Materials, formerly GE Advanced Ceramics.
Physical Properties Metric English Comments
Density 15.0 g/cc
0.542 lb/in³
Mechanical Properties Metric English Comments
Modulus of Elasticity 300 - 500 GPa
43500 - 72500 ksi
Young's modulus
Thermal Properties Metric English Comments
CTE, linear 6.30 µm/m-°C

@Temperature 20.0 °C
3.50 µin/in-°F

@Temperature 68.0 °F
Thermal Conductivity 22.0 W/m-K
153 BTU-in/hr-ft²-°F
Melting Point 3880 °C
7020 °F
Maximum Service Temperature, Air 700 °C
1290 °F
oxidation limit
Optical Properties Metric English Comments
Emissivity (0-1) 0.50
0.50
normal spectrum
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000300 ohm-cm
0.0000300 ohm-cm
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