Semicera Energy Technology Co., Ltd. ist ein führender Lieferant, der sich auf Wafer- und fortschrittliche Halbleiterverbrauchsgüter spezialisiert hat. Wir sind bestrebt, hochwertige, zuverlässige und innovative Produkte für die Herstellung von Halbleiter, Photovoltaikindustrie und andere verwandte Fields zu bieten. Aluminiumoxid usw., ein vertrauenswürdiger Lieferant, wir verstehen die Bedeutung von Verbrauchsmaterialien für den Herstellungsprozess und sind bestrebt, Produkte zu liefern, die den höchsten Qualitätsstandards entsprechen, um die Bedürfnisse unserer Kunden zu erfüllen.
Silicon nitride combined with silicon carbide kiln has the characteristics of high temperature strength, good thermal shock resistance, easy deformation, oxidation resistance, corrosion resistance, good thermal conductivity and so on.
|
Item |
Firebrick index |
Kiln specification |
Index of shaped product |
|
Apparent porosity（%） |
<16 |
<16 |
<14 |
|
Schüttdichte（g/cm3） |
2 2.65 |
2 2.65 |
2 2.68 |
|
Compressive strength at room temperature（MPa） |
2 160 |
2 170 |
2 180 |
|
Bending strength at room temperature（1400X：） MPa |
2 40 |
2 45 |
2 45 |
|
High temperature bending strength（1400r ） MPa |
2 50 |
2 50 |
2 50 |
|
Coefficient of thermal expansion（110CTC） xioVC |
<4.18 |
<4.18 |
<4.18 |
|
Wärmeleitfähigkeit（1100C） |
216 |
2 16 |
216 |
|
Refractories（°C ） |
1800 |
1800 |
1800 |
|
0.2 MPa Softening temperature under load（X：） |
1600 |
1600 |
> 1700 |
|
Maximum operating temperature （°C） |
1550 |
1550 |
1550 |
The products are widely used in ceramic grinding wheel, high aluminum products, aluminum porcelain ball, industrial kiln, electronic ceramic, high voltage electric porcelain, sanitary ware, daily porcelain, nitride alloy and foam ceramics and other industries.
The wear resistance of Si3N4-SiC material is 3.13 times that of wear-resistant steel (Crl5Mo3), and the weight is only 1/3 of that of wear-resistant steel (Crl5Mo3).
The corrosion resistance quality reduction values of Si3N4-SiC and calcium carbide and alumina in various solutions are as follows:
|
Test solution |
Temperature（”C） |
Si3N4-SiC |
Common ceramics |
Aluminium carbide |
Aluminium oxide |
|
98 %Sulfuric acid |
100 |
1.8 |
55.0 |
> 1000 |
65,0 |
|
50 %Sodium hydroxide |
100 |
2,5 |
> 1000 |
5.0 |
75.0 |
|
53 %Hydrofluoric acid |
25 |
< 0.2 |
7.9 |
8.0 |
20,0 |
|
85 %Phosphoric acid |
100 |
< 0.2 |
8.8 |
55.0 |
> 1000 |
|
70 %Nitric acid |
100 |
< 0.2 |
0.5 |
> 1000 |
7,0 |
|
45 %Potassium hydroxide |
100 |
< 0.2 |
> 1000 |
3.0 |
60,0 |
|
25 %Hydrochloric acid |
70 |
< 0.2 |
0.9 |
85.0 |
72,0 |
|
10% Hydrofluoric acid +57% Nitric acid
|
25 |
< 0.2 |
> 1000 |
> 1000 |
16,0 |
