Ceramic Silicon Nitride Lever Connecting Rod

Full Ceramic Silicon Nitride Lever Connecting Rod bearings can be made in silicon nitride, zirconia or silicon carbide, three kinds in total. You can find those ceramic materials' characteristic at ceramic materials and their properties.

 

TECHNICAL SPECS

 

Material Silicon Nitride (Si3N4)
Size 20x130mm
Accuracy 0.025mm
Highest Temperature 800℃(1472F)
Circular Runout 20um
Perpendicularity 30um
Circularity 10um
Parallelism 20um
Applications Pharmaceutical and chemical industry, leverage the role of automation equipment. Resistant to corrosive gases and weighs far less than steel. The proportion is only 3.2

 

 

MATERIAL PROPERTIES

 

Performance unit Si3n4
Ingredients Aluninum (Al)              2.0~3.5%
Yttrium (Y)              4.0~5.0%
Titanium (Ti)              1.0~1.5%
Oxygan (O)              4.5~6.0%
Carbon(C)             0.3~0.8%
Other impurities less than 0.1%
The rest is silicon nitride
Density g/cm3 ≥3.20
Hardness Hv 1400~1600
Bending strength Mpa >800
Compressive strength Mpa >4000
Elastic Modulus Gpa 300~315
Fracture toughness Mpa.m1/2 6~8
Cofficient of thermal expansion 10-6/℃ 2.2~3.0
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