Semicera Energy Technology Co., Ltd.는 웨이퍼 및 고급 반도체 소모품을 전문으로하는 선도적 인 공급 업체이며, 우리는 고품질의 신뢰할 수 있고 신뢰할 수 있고 혁신적인 제품을 반도체 제조, 광전지 산업 및 기타 관련 분야에 제공하기 위해 최선을 다하고 있습니다. 산화 알루미늄 등. 신뢰할 수있는 공급 업체로서, 우리는 제조 공정에서 소모품의 중요성을 이해하며, 고객의 요구를 충족시키기 위해 최고 품질 표준을 충족하는 제품을 제공하기 위해 노력하고 있습니다.
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 |
|
벌크 밀도（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 |
|
열전도율（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 |
