SMAHT Ceramics NZP Low Thermal Expansion Ceramic

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SMAHT Ceramics NZP Low Thermal Expansion Ceramic (discontinued **)
Categories:	Ceramic
Material Notes:	The corner-linked crystal structure of NZP materials allows near-zero or tailorable thermal expansion along all crystallographic directions in the NZP structure. This type of isotropic expansion is a key feature to NZP ceramics. Features: Low and tailorable thermal expansion Exceptional thermal shock resistance High melting temperature Excellent high temperature stability Low thermal conductivity Strength retention to high temperature Excellent machinability Processing amenability Applications: Optical benches Semiconductor wafer fixtures Furnace support structures Fixtures for high-tolerance brazing Furnace baffles Thermal insulation for diesel engine exhaust parts Parent Compositions: Alkali (NaZr2P3O12) or Alkaline Earth Zirconium Phosphate (e.g.,BaZr4P6O24 or CaZr4P6O24). Enormous flexibility towards ionic substitutions permits tailorable thermo-physical properties. Crystal Structure: Hexagonal R3c Space Group, or Monoclinic Information provided by SMAHT Ceramics.
Vendors:

Available Properties

Density, Theoretical, dependent on geometry
Particle Size, Depends on Processing Conditions
Modulus of Elasticity
Modulus of Elasticity
Flexural Strength
Flexural Strength
Flexural Strength
Fracture Toughness
Dielectric Constant
Dissipation Factor
CTE, linear, Tailorable to -5 ppm/°C
Specific Heat Capacity, For most compositions
Thermal Conductivity, Less with increasing porosity
Melting Point, Composition dependent
Maximum Service Temperature, Air, Continuous use; <0.2% weight loss following 1200°C for 1000 hours in air
Emissivity (0-1), IR

Property Data

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Manufacturer Notes:
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**
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