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NanoFractalAlumina™
NanoFractalAlumina™ engineered products may be used where high stiffness is required or
where high resistance to thermal condition is desired.

Typical Chemical Composition:
99.9% or better Al2O3
Custom shapes available

Typical Properties:
Color: Ivory
Water absorption: 0%
Gas Permeability: 0%
Flexural Strength (MOR), 20 °C: 460 MPa.
Elastic Modulus, 20 °C: 480 GPa.
Poisson’s Ratio, 20 °C: 0.22
Compressive Strength, 20 °C: 2900 MPa.
Hardness (Knoop, 1Kg): 15.1 GPa.
Fracture Toughness, KIc: 4-5 MPam1/2
Thermal Conductivity, 20 °C: 30W/m°K
Thermal expansion Coefficient 25-1000°C: 8.2

Density depends on the shape, typically from 3.8-3.98g/cc. Please discuss requirement with Mattech.

Picture shows a complex shape made from NanoFractalAlumina™.

This shape is used in superalloy manufacture.

NanoFractalAlumina™ is useful where high toughness, low contamination, high shock resistance and other similar properties are required.

Disclaimer:

All properties and dimensions shown above are only approximate and may change from batch to batch. If a specific property is critical for your application, please contact Mattech for details on the possible guarantee bounds for that property. Mattech Corporation encourages safe handling practices for all its products. The use of proper eye wear, gloves and masks is highly recommended and it may be unsafe not to use them when handling products.