Ceramic Silicon Nitride With Flanged Shaft

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Material Silicon Nitride (Si3N4)
Color Black
Size 25x47x52mm
Accuracy 0.008mm
Maximum Temperature 800℃(1472F)
Circular Runout 12um
Perpendicularity 12um
Circularity 10um
Parallelism 12um
Applications Chemicals, aerospace, medicine, environmental protection equipment, electronics industry. High-temperature pharmaceutical equipment, chemical solution field, 500 degrees high temperature, corrosion resistance
RoHS Compliant
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