Momentive Performance Materials AC6043 Titanium Diboride/Boron Nitride Composite

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Momentive Performance Materials AC6043 Titanium Diboride/Boron Nitride Composite (discontinued **)
Categories:	Ceramic; Boride; Ceramic Matrix Composite; Nitride
Material Notes:	TiB₂/BN. Density is 83-92% of theoretical. Sonic Modular1 is 4 to 17 x 10^6 psi. Boron Nitride is a unique engineering material. It is a soft, machinable ceramic which can be combined with other refractory ceramics, including Aluminum Oxide, Silicon Nitride, Aluminum Nitride, Mullite and Titanium Diboride. This results in composites which are machinable, thermal shock resistant and chemically compatible in a wide range of environments. In combination with Titanium Diboride, for example, BN can be used as a heating source for the aluminum metallization of films and papers. BN composites are also used: Break-rings in the horizontal continuous castings of steel, and nozzles in rapid solidification processes High temperature refractory shapes Glass forming tools and refractories Molds, dies and refractories for metalforming Furnace vents, stacks and fixtures. Information provided by Momentive Performance Materials, formerly GE Advanced Ceramics.
Key Words:	BN, TiB2
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Mechanical Properties	Original Value	Comments

Flexural Strength	117 MPa
	16.5 MPa @Temperature 1500 °C

Thermal Properties	Original Value	Comments
CTE, linear	4.00 - 6.00 µm/m-°C @Temperature 20.0 °C
Thermal Conductivity	26.0 W/m-K

**
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