UBE Tyrannohex® Heat Resistant Composite

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UBE Tyrannohex® Heat Resistant Composite (discontinued **)
Categories:	Ceramic; Ceramic Matrix Composite; Other Engineering Material; Composite Fibers
Material Notes:	Description: Tyrannohex is a fiber assembled ceramic with both toughness like a shell or wood and excellent heat-resistance in air. Very high volume fraction (Vf) of the thin (~ 10m), continuous fiber. Vf= > 90 vol%. Tyrannohex is produced by the use of only Tyranno fiber without other matrix materials using a high-pressure machine. Very high fracture energy. Tyrannohex shows a very high fracture energy (~ 9000J/m^2) which is about 100 times as large as Si3N4 sintered body. Excellent oxidation resistance up to 1500°C in air. Almost initial strength could be maintained up to 1500°C in air. And, the initial strength was also maintained after heat-treatment at 1500°C for 1000 hours in air. (Effective formation of a protective oxide layer on the surface during early heat-treatment.) Very good creep-resistance in air compared with usual SiC/SiC composites. Difficulty of a crack formation Self-healing eject around the interphase Densified structure Information provided by UBE.
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Available Properties

Specific Gravity
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Modulus of Elasticity, 2D
Modulus of Elasticity, UD
Flexural Strength
Flexural Strength
Shear Strength, 2D
Shear Strength, UD
Charpy Impact, Notched, Fracture energy (Chevron-notch method), J/m^2
Electrical Resistivity, Specific resistance
Thermal Conductivity, 2D
Thermal Conductivity, UD
Maximum Service Temperature, Air

Property Data

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Manufacturer Notes:
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Category Notes
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**
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