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Leading Manufacturer, Supplier & Retailer of Thermal Protection System, Ceramic Matrix Composites, Layered Hafnium Carbide, Yttria-stabilized Zirconia Thermal Barrier Coating and chemical vapor deposition.

Thermal Protection System

Ultramet fills an open-cell foam skeleton with ultralow-density aerogel to create a highly insulating and lightweight foam-core thermal protection material that can be economically fabricated into large and complex shapes. Benefits Low density (0.07 gcm3 or 4.4 lbft3) High temperature capability (4000°F [2204°C]) Low thermal conductivity (

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Ceramic Matrix Composites

CfZrC—oxidizing environments of >3500°F (1940°C) CfHfC—oxidizing environments of >4000°F (2200°C) CfSiC-ZrC and CfSiC-HfC—oxidizing environments up to 4000°F (2200°C) CMC-encased or CMC-lined carboncarbon structure CfTaC and CfTaC-Hf

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Layered Hafnium Carbide

Ultramet has developed a hafnium carbidesilicon carbide (HfCSiC) coating applied in layers by chemical vapor deposition that provides outstanding oxidation resistance at high temperatures.

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Yttria-stabilized Zirconia Thermal Barrier Coating

Yttria-stabilized zirconia is applied by low temperature (1292°F [700°C]) chemical vapor deposition to create a cost-effective, robust thermal barrier coating that can be applied to complex-shaped components. The coating is suitable for nickel-based superalloy turbine engine components.

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chemical vapor deposition

Chemical vapor infiltration (CVI) is CVD with minor process changes that allow homogenous infiltration of porous structures such as foams and fiber preforms. Through control of pressure andor thermal gradients within a reactor, gaseous precursors are allowed to uniformly permeate porous structures. Deposition of the desired compound thus occurs on all internal surfaces. CVI offers the ability to fabricate engineered porous structures such as reticulated foam from any of the materials that can be deposited via CVD.

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Refractory Open-Cell Foams: Carbon, Ceramic, and Metal

Foam-core sandwich panels offer exceptional stiffness-to-weight ratios, and Ultramet has used this architecture for advanced mirror systems. Foam-core mirrors employ an optical faceplate that is attached to the surface of a foam billet, and, if stiffness requirements demand, a second faceplate can be added to the rear surface. Mirrors have been fabricated with both flat and curved optical surfaces, and several material systems have been used. Silicon and silicon carbide systems offer the greatest stiffness-to-weight ratio.

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Ceramic Protective Coatings

Ultramet applies protective coatings to carboncarbon and ceramic matrix composites, graphite, refractory metals, and superalloys for operation in severe environments. Low temperature deposition (

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Rhenium Raw Material

As a world leader in the manufacture of rhenium products, Ultramet understands the need for high quality raw material that offers lot-to-lot consistency and reliability. Consequently, Ultramet has developed its own in-house processing system to provide rhenium powder and pellets that meet the following criteria: Purity >99.98% (metal content) Pellet size as required Powder standard mesh sizes –325 (

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