Toll Processing

Thermally Engineered Structures & Metal Matrix Composites

Tailor thermal conductivity of materials over 1-2 orders of magnitude.
Control or reduce coefficient of thermal expansion. Alloys include IN909, IN783, IN625, Hastelloy-N, 17-4PH, 316SS, Nb CB752, Ti6242, MA956/FeCrAl.
Refractory metals and superalloy production

Boron Nitride Nanosheets (BNN).
High thermal conductivity, low density, chemically inert fillers, similar to graphene but electrically insulating that possess 800W/m-K thermal conductivity.
Nano BaTiO3 (Barium Titanate)/Doped BaTiO3 with giant permeability.
Nano Copper Titanate (CCTO).
Giant permeability materials such as SiO₂ (Silicon Dioxide) and Al₂O₃ (Aluminum Oxide) coated BaTiO₃, CCTO.
Nano-Si, Si-coated graphene, Si-coated high surface area carbon (anodes).

Products:

Nano-Ti and nano-TiN (Titanium Nitride) powders.
Nickel and cobalt coated powders such as WC (Tungsten Carbide), B₄C (Boron Carbide), TiN (Titanium Nitride), SiC (Silicon Carbide), BN (Boron Nitride), hBN (Hexagonal Boron Nitride).
Insulator, Cobalt, and nickel coated particles.
Nano Bi₂O₃ (Bismuth (III) Oxide).
SiC (Silicon Carbide), ZrC (Zirconium Carbide), TiN (Titanum Nitride), TiC (Titanium Carbide), SiO₂ (Silicon Dioxide), W (Tungsten), WC (Tungsten Carbide)-coated particles. Other coatings by request.

Processes:

Fluidized bed reactors. Chemical Vapor Deposition (CVD) and rotary bed reactors for coating with W (Tungsten), Al (Aluminum), Co (Cobalt), TiN (Titanium Nitride), SiC (Silicon Carbide), Borides, nitrides, and oxides.
Toll temperature programmed oxidation, reduction, carburization, and nitridation of powders.
- Toll spray drying of metal and ceramic powders
- Toll mechanical alloying
- Nanoparticle dispersion and non-linear surfactant technology for submicron/nanoscale dispersions (oil in water, water in oil).
- Nanoparticle master alloys.

Engineered soft magnet materials such as soft magnetics with controlled permeability and high saturation magnetization (Bs) and low eddy current loss.
High-temperature capacitor films and capacitors such as 350°C capacitors films with high-dielectric constant, and castable, high-dielectric constant films.
High-temperature, thermally conductivity insulators such as hermetic, high thermal conductivity insulation coatings and materials.
Please visit Powdermet’s sister-company, Cratus, for further energy-storage solutions.

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