Silicon nitride bonded to silicon carbide Refractory Brick

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$Silicon nitride bonded to silicon carbide Refractory Brick$

Short Description:

Semicera Energy Technology Co., Ltd. is a leading supplier specializing in wafer and advanced semiconductor consumables. We are dedicated to providing high-quality, reliable, and innovative products to semiconductor manufacturing, photovoltaic industry and other related fields.

Our product line includes SiC/TaC coated graphite products and ceramic products, encompassing various materials such as silicon carbide, silicon nitride, and aluminum oxide and etc.

As a trusted supplier, we understand the importance of consumables in the manufacturing process, and we are committed to delivering products that meet the highest quality standards to fulfill our customers’ needs.

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Product Detail

Product Tags

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.

$Refractory Brick (3)$

Main performance indicators

Item	Firebrick index	Kiln specification	Index of shaped product
Apparent porosity（%）	<16	<16	<14
Bulk density（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
Thermal conductivity（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