Physical Properties of Engineering Ceramics
Material | Silicon Carbide(SiC) | Silicon Nitride(Si3N4) | Alumina | Zirconia(ZrO2) | |||||
---|---|---|---|---|---|---|---|---|---|
99.5%Al2O3 | 99.9%Al2O3 | ||||||||
Trademark | - | - | NVSiC® | - | HSTSiN® | - | - | - | |
Material Code | SCP01 | SCP02 | SCP03 | SNP02 | SNP03 | ALP01 | ALP02 | ZRP01 | |
Density [g/cm3] |
JIS R1634 | 3.1 | 3.1 | 3.1 | 3.2 | 3.2 | 3.9 | 3.9 | 6.0 |
Water Absorption [%] |
Underwater substitution method |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Flexural Strength [MPa] |
JIS R1601 | 490 | 490 | 700 | 800 | 1030 | 440 | 450 | 980 |
Vickers Hardness [GPa] |
Vickers JIS R1610 |
25 | 25 | 25 | 15 | 15 | 16 | 17 | 13 |
Young's Modulus [GPa] |
JIS R1602 | 430 | 430 | 436 | 290 | 307 | 370 | 370 | 210 |
Poisson's Ratio [-] |
JIS R1602 | 0.16 | 0.18 | 0.18 | 0.29 | 0.30 | 0.25 | 0.25 | 0.31 |
Fracture Toughness [MPa・m1/2] |
SEPB method JIS R1607 |
3 | 3 | 3 | 6 | 7 | 3~4 | 3~4 | 6 |
Thermal Expansion [×10-6/K] |
RT~200℃ JIS R1618 |
3.1 | 3.1 | 3.1 | 1.6 | 1.6 | 6.3 | 6.3 | 10.0 |
RT~800℃ JIS R1618 |
4.3 | 4.2 | 4.3 | 3.1 | 3.2 | 7.7 | 7.9 | 10.7 | |
Thermal Conductivity [W/m・K] |
RT JIS R1611 |
140 | 170 | 132 | 24 | 36 | 33 | 30 | 3 |
Thermal Shock Resistance [K] |
JIS R1648 | 400 | 400 | 400 | 700 | 800 | 200~250 | 200~250 | 350 |
Dielectric Strength [kv/mm] |
JIS C2110 | - | - | - | >10 | >10 | >10 | >10 | >10 |
Volume Resistivity [Ω・cm] |
3-terminal method JIS C2141 |
104 | 106 | - | >1014 | >1014 | >1014 | >1014 | >1012 |
Dielectric Constant [-] |
(1MHz) | - | - | - | 8.0 | 7.5 | 10 | 10 | 40 |
Characteristics | Corrosion Resistant High Hardness |
High Thermal Conductivity High Resistance |
High Strength Small pores |
High Thermal Shock Resistance Lightweight High Strength |
High Strength High Reliability |
General Purpose High Rigidity |
High Purity High Rigidity |
High Strength Wear Resistant |
|
Material | Silicon Carbide(SiC) | Silicon Nitride (Si3N4) | Alumina | Zirconia (ZrO2) | |||||
99.5%Al2O3 | 99.9%Al2O3 | ||||||||
Trademark | - | - | NVSiC® | - | HSTSiN® | - | - | - | |
Material Code | SCP01 | SCP02 | SCP03 | SNP02 | SNP03 | ALP01 | ALP02 | ZRP01 |
The above property values are not guaranteed values.
For the purpose of improvements, the property values are subject to change without prior notice.