Basic Info.Model NO.shaftMaterialSilicon CarbideLoadCentral
SpindleStiffness & FlexibilityFlexible ShaftJournal Diameter
Dimensional AccuracyIT6-IT9Axis ShapeStraight ShaftShaft ShapeReal
AxisAppearance ShapeRoundJournal Surface
Roughness0.2ApplicationMagnetic PumpTrademarkRQTransport
PackageCartonSpecificationICQBOriginChinaHS Code690912000Product
DescriptionPressureless sintered silicon carbide (SSIC) is
produced using very fine SiC powder containing sintering additives.
It is processed using forming methods typical for other ceramics
and sintered at 2,000 to 2,200° C in an inert gas atmosphere. As
well as fine-grained versions, with grain sizes < 5 ?m,
coarse-grained versions with grain sizes of up to 1.5 mm are
available. SSIC is distinguished by high strength that stays nearly
constant up to very high temperatures (approximately 1,600° C),
maintaining that strength over long periods!This material displays
an extremely high corrosion resistance in acidic and basic media,
and this too is maintained up to very high temperatures. The
coarse-grained versions offer particular advantages. These
properties are outstanding among high-temperature ceramics, and are
complemented by high thermal shock resistance, high thermal
conductivity, high resistance to wear, and a hardness close to that
of diamond. Thus, SSIC is ideal for extremely demanding
applications, for example, slip ring seals in chemical pumps,
bearing bushes, high temperature burner nozzles, or as kiln
furniture for very high application temperatures. The use of SSIC
with graphite inclusions improves the performance of tribological
systems.PropertyItemsUnitDateHardnessHS≥110Porosity
Rate%2200Fractural StrengthMPa>350Coefficient of
expansion10/°C4.0Content of Sic%≥99Thermal conductivityCal/cm.s.
°C0.30Elastic ModulusGPa≥400Temperature°C1300
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