龙城棋牌扎金花

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Si3N4 ball

Si3N4 ball

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Silicon Nitride Balls are a new material suitable for applications where high loads, high speeds and extreme temperatures are factors. Long life and the need for no lubrication makes this material very suitable for aviation applications. Silicon Nitride is anti-magnetic and resistant to corrosion by most substances.

Silicon Nitride Balls are used in processing equipment to improve bearing performance. It is lighter, stiffer, smoother, harder, and corrosion resistant, require less lubrication, and have a lower thermal expansion than their steel counterparts which allow the bearing to run at higher speeds and higher operational temperatures with lower torque.

 

Item

Unit

HSN-12


 

 

Chemical composition

Aluninum    (Al)        2.0~3.5%

Yttrium    (Y)          4.0~5.0%

龙城棋牌扎金花Titanium    (Ti)         1.0~1.5%

龙城棋牌扎金花Oxygan    (O)          4.5~6.0%

Carbon(C)         0.3~0.8%

Other    impurity < 0.1%

龙城棋牌扎金花The    rest are Si3N4

Density

g/cm3

≥3.20

Hardness

Hv

1400~1600

Bending    strength

Mpa

>800

Compressive    strength

Mpa

>4000

Elasstic    modulus

Gpa

300~315

龙城棋牌扎金花Fracture    toughness

Mpa.m1/2

6~8

Thermal    expansivity

10-6/℃

2.2~3.0

龙城棋牌扎金花Max    working temperature

800

Color

黑色 Black

Process

CIP+GPS

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