Description
Si3N4 Material
Applications
Ball valve for chemical industry, cutting tool, bearing, engine, valves, turbo charge, rotor, semiconductor components, thermo couple protecting tube
Basic requirements
High temperature resistant, wear resistant
Material Comparison Chart:
Nature | density(g/㎝3 ) | density(g/㎝3 ) | (10-6 / ℃) | (Kgf/㎜2 ) | (J/㎏*°K) | (GPa) | (MPa) | (MPa) | (MPa) | (MPa*m0.5 ) | (Poisson’s ratio) | (℃) |
Al2-O3 | 3.9 | 3.9 | 8 | 1600 | 880 | 370 | 262 | 2600 | 380 | 3.6 | 0.26 | 2053 |
ZrO2 | 6 | 6 | 10.1 | 1400 | 400 | 200 | 700 | 1850 | 690 | 9.5 | 0.23 | 2700 |
SiC | 3.2 | 3.2 | 4 | 2300 | 700 | 410 | 400 | 3900 | 550 | 4.6 | 0.19 | 2700 |
Si3 N4 | 3.3 | 3.3 | 2.3 | 1500 | 700 | 310 | 524 | 2500 | 780 | 7.7 | 0.24 | 1900 |
Cellon Sialon | 3.2 | 3.2 | 3 | 1600 | 620 | 300 | 450 | 3500 | 600 | 6.5 | 0.23 | 1900 |
WC | 15 | 15 | 6 | 1600 | 390 | 700 | 896 | 6100 | 550 | 25 | 0.18 | 2870 |
Glass | 2.5 | 2.5 | 0.5 | 1000 | 740 | 70 | – | 1100 | 69 | 1 | 0.2 | 2200 |
BN | 2 | 2 | 2 | 220 | 1850 | 62 | 41 | 143 | 73 | – | 0.13 | 2600 |
AlN | 3.2 | 3.2 | 4.4 | 1200 | 730 | 340 | 400 | 2070 | 350 | 2.6 | 0.25 | 2400 |
B4 C | 2.5 | 2.5 | 5.6 | 3200 | 930 | 450 | 350 | 2800 | 400 | 3 | 0.15 | 2450 |
Steel | 7.8 | 7.8 | 13.6 | 126 | 448 | 200 | 520 | – | – | 14 | 0.3 | 1450 |
Relatively high thermal conductivity of the substrate table:
Substrate material | FR4 | MCPCB | LTCC | Al2-O3 | SiC | AlN |
(W/m*°K) | 0.7~1.2 | 2~6 | 8~15 | 20~28 | 120~140 | 140~180 |
Insulativity(Ω×㎝) | 1014 | 108 | 1013 | 1015 | 108 | 1011 |
(0.25cm2 ) (W) | <0.2 | 0.5~1 | 1~1.5 | 2~3 | 3~15 | 15~20 |
Board size | To large-scale | To large-scale | No more 6″×6″ | No more 6″×6″ | No more 6″×6″ | No more 6″×6 |
The items are subject to prior sale without notice. These items are only for end users.
SS5624