Sialon is a reacted mixture of SiN (Silicon Nitride), SiO2 (Silicon Dioxide),
Al2O3 (Aluminum Oxide) and AlN (Aluminum Nitride).
PROPERTY
UNITS
VALUE
Mechanical
Density
gm/cc
3.7
Hardness
Rockwell
45N
82
Tensile Strength
kpsi
28
Modulus of Elasticity
psi
x 106
46
Flexural Strength
kpsi
51
Compressive Strength
kpsi
300
Poisson's Ratio
-
0.21
Fracture Toughness
MPa
m1/2
4.0-5.0
Electrical
Dielectric Strength
ac
volts/mil
212
Dielectric Constant
(at
1 MHz)
9.3
Volume Resistivity
ohm-cm2/cm
>1014
Thermal
Coefficient of Thermal Expansion
x10-6/°C
6.8
Thermal Conductivity
W/m°K
18
Specific Heat
cal/g°C
0.21
Max Working Temp
°C
1700
Shock Resistance
°C
300
All properties are at room temperature unless otherwise noted.
Engineering data are representative, and are not intended
as absolute nor warrantable. Manufacturer’s Data shown
is blended from multiple sources and therefore illustrates
the marketplace.
