Si3n4 Silicon Nitride Ceramic Shaft Rod Customized

Brand Name:BLM
Certification:ISO
Model Number:BLM-S
Minimum Order Quantity:10PCS
Delivery Time:25days
Payment Terms:T/T
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Address: B615, Future Fortune Building, No. 1 Wangxi Road, Zhangjiagang City, Jiangsu Province
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Product Details

Customized/inventory silicon nitride si3n4 ceramic shaft rod


1 . Description

Silicon nitride has excellent thermal shock resistance, high mechanical strength at high temperatures, and good wear resistance. It is widely used in various industrial equipment.


Item
gas pressure sintering
hot pressing sintering
Rockwell hardness (HRA)
≥75
volume density(g/cm3)
3.25
>3.25
Dielectric constant (ε r20℃,1MHZ)
8.0(1MHz)
electric volume resistivity(Ω.cm)
1014
108
breaking tenacity(Mpa m1/2)
6-9
6-8
Elasticity modulus (GPa)
300-320
300-320
thermal expansivity (m/K *10-6/℃)
3.1-3.3
3.4
thermal conductivity (W/MK)
15-20
34
weibull modulus(m)
12-15
15-20

2 . Features

- High strength over a broad temperature range
-Moderate thermal conductivity
-Low coefficient of thermal expansion
-Moderately high elastic modulus
-Excellent thermal shock resistance
-Ability to withstand high structural loads to high temperature
-Superior wear resistance
Unusually high fracture toughness


3 . Usage

Forming die parts (hot forging die, various forming)
Casting parts (low pressure casting, various metal melting furnace equipment)
Die casting machine parts (plunger, sleeve)
Welding machine (positioning pin for resistance welding, guide roller for steel pipe welding)
Parts of the powder squeezing machine (classifier, air squeezing machine, sand mill)
Wear-resistant parts (wire drawing machine guide roller, motor shaft, bearing, fishing tackle guide cup, traction winch)

Semiconductor manufacturing equipment parts (platform parts, linear motors)


4 . Performance Index Of Si3N4 Ceramics


Type
Condition
Performance
Main
Components
Normal Temperature
Si3N4≥95%
Bulk Density
g/cm3
Normal Temperature
3.22
Elastic Modulus
Gpa
Normal Temperature
350
Vickers Hardness
HV
Normal Temperature
1870
Bending Strength
Mpa
Normal Temperature
780
Fracture Toughness
MPa·m1/2
Normal Temperature
7.2
Thermal Expansion Coefficient
10-6/K
20-1000℃
3.2
Thermal Conductivity
W/(㎡·K)
20-1000℃
25


China Si3n4 Silicon Nitride Ceramic Shaft Rod Customized supplier

Si3n4 Silicon Nitride Ceramic Shaft Rod Customized

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