Silicon Nitride Powder

Silicon Nitride Powder


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Keyword
silicon nitride
Category
Ceramics

HeFei MoK Advanced Material Technoloy CO.,LTD.

Country / Year Established
China China /
Business type
Others
Verified Certificate

15

Product name Silicon Nitride Powder Certification -
Category Ceramics Ingredients -
Keyword silicon nitride Unit Size -
Brand name - Unit Weigh -
origin Stock -
Supply type - HS code -

Product Information

Power for silicon nitride (Si3N4) is light, hard, and has low thermal expansion coefficient. It has high mechanical strength, fracture toughness, and it is resistant to deformation at room temperature as well as at elevated temperature.

Si3N4 differs from other ceramics because it doesn't melt, but, between 1800 and 1900 °C, it decomposes and sublimates into Si and N. However, stabilized forms can be made.
Engine parts: valves, pistons, etc. Gas turbines
Diesel engines
Cutting tools
Bearings
High strength over a wide temperature range
High fracture toughness
High hardness
Outstanding wear resistance, both impingement and frictional modes
Good chemical resistance
Papermaking machine foils
Wear parts


Analyte

Result %

 

MKL

MKH

 

Typical

Max/Min

Typical

Max/Min

Si3N4

98.3

 

99.6%

 

Fe

0.25

0.19-0.30

0.04

0.03-0.06

Al

0.10

0.06-0.12

0.05

0.03-0.08

Ca

0.02

0.01-0.05

0.01

<0.02

Halides

<0.002

<0.002

<0.002

<0.002

C

0.2

<0.5

0.2

<0.5

O

0.7-1.5

0.7-1.5

0.7-1.5

0.7-1.5

Si, free

0.1

<0.2

0.1

<0.2

a- Si3N4

93

90-95

93

90-95

 

BET(m2/g)

(L)6-8
中(M)8-10
高(H)﹥10

 

6-12

低(L)6-8
中(M)8-10
高(H)﹥10

 

6-12

D50(μm)

0.4-1.0

0.4-1.0

0.4-1.0

0.4-1.0

Physical performance
Grain-size distribution
Relative surface product
Silt shape
Above is through and latter synthesizes to the nitridationvariable, like Smashing, classification and other processing which the powder the controlled process determined. The B.E.T standard nitridedsilicon fine powder relative surface accumulates in 6m2/g and in the12m2/g level.

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HeFei MoK Advanced Material Technoloy CO.,LTD.

Country / Year Established
China China /
Business type
Others

15

President
wangsibao
Address
Hefei , Anhui , China 230022
Product Category
Ceramics
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