Wear Resistance Black Machining Ceramic Parts Silicon Nitride Ceramic Grinding Ball

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Wear Resistance Black Machining Ceramic Parts Silicon Nitride Ceramic Grinding Ball

Name: Wear Resistance Black Machining Ceramic Parts Silicon Nitride Ceramic Grinding Ball
Brand: China
Price: 1 USD

China Wear Resistance Black Machining Ceramic Parts Silicon Nitride Ceramic Grinding Ball wholesale

Brand Name : China

Model Number : 008

Place of Origin : Suzhou,China

MOQ : 100pcs

Price : Negotiable

Payment Terms : T/T

Supply Ability : 10000 Piece/Pieces per Month

Delivery Time : 25 days

Packaging Details : Box, Carton, Wooden, Bag etc. Customized package

Product name : Wear Resistance Black Silicon Nitride Ceramic Grinding Ball

Material : Silicon Nitride

Application : Industrial Ceramic

Fracture toughness : 5.0～7.0

Water Absorption : 0%

Electrical Insulation : excellent

Density : 3.2g/cm3

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Wear Resistance Black Silicon Nitride Ceramic Grinding Ball

Description:

Silicon Nitride Ceramic Balls (Si3N4) ceramic high strength, good wear resistance, high stiffness, corrosion resistance, high temperature, suitable for high temperature structural materials. Comparing the three types of ceramic materials, Si3N4 integrated superior performance, has become the material of choice for ceramic bearings.

Technical Parameters:

Mechanical behavior	Unit	Al2O3	SiC	Si3N4	ZrO2
Colour	-------	Light yellow	black	black	white,black
Density	g/cm3	3.95	3.15	3.2	6
Bending strength	MPa	300～400	400～500	800～1200	950～1200
Elastic modulus E	GPa	380	350	300-320	210
Poisson's ratio		0.22	0.14	0.26	--------
Hardness	Hv	1800	2000～2500	1400～1700	1100～1300
Hardness	HRC	80	85～90	75～80	70～75
Fracture toughness	MPa·m1/2	3.0～4.0	3.0～4.0	5.0～7.0	8.0～10.0
Maximum use temperature	℃	1000	1300	400	400
Thermal expansion coefficient	10-6/℃	8.4	4	3.3	10.3

	G5	G10 G16	G20 G28 G40
ClassⅠ	Liquid oxygen pump,Active shaft bearing	The key parts of aerospace equipment
ClassⅡ	Vaccum equipment,high speed instrument,mechanical devices,high performance and the most advanced contacting spherical propeller	Motor,medium-low precision star bearing	Testing bearing ball,separating bearing ball
ClassⅢ		Sport,entertrainment,food processing	Mechanical devices

Advantages:

1. High Strength over a wide temperature range.
2. High Fracture toughness.
3. High Hardness.
4. Outstanding Wear Resistance ,both impingement and frictional modes.
5. Good Thermal Shock Resistance.

Application:

1. Rotating bearing balls and rollers.
2. Cutting tools.
3. Jet Engine moving parts.
4. Jet Engine wear parts.
5. Turbine blades, vanes, buckets.
6. Metal tube forming rolls and dies.
7. Precision shafts.

More pictures:

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Wear Resistance Black Machining Ceramic Parts Silicon Nitride Ceramic Grinding Ball Images

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Wear Resistance Black Machining Ceramic Parts Silicon Nitride Ceramic Grinding Ball

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