


TRANSPARENT CERAMIC
TRANSPARENT CERAMIC
TRANSPARENT CERAMIC
Basic properties
This ceramic represents a perfect substitute for sapphire, with lower price.
High temperature resistance > 1200°c.
Perfectly dense material.
High RIT in the visible, UV and IR (such as sapphire and quartz).
Machinable with high precision
Polishable
No open porosity
Applications
Missile domes
Transparent watch body
Security windows
High pressure windows
High temperature windows
Wear resistance windows
Specifications :
Diameter tolerances: +0.0/-0.1mm
Thickness tolerances: ±0.2mm
Transparency: >80%
Parallelism: <3’
Frontwave dispersion: λ per 25mm at 632nm
Bevel: <0.35mm ×45º
Available standard dimensions :
-Diam 25 x ép. 3 mm
-Diam 30 x ép. 2 mm
-Diam 50 x ép. 5 mm
-Diam 76 x ép. 3 mm
-Diam 100 x ép. 6 mm
-Diam 150 x ép. 10 mm
-Diam 200 x ép. 10 mm
-Diam 100 x ép. 6 mm
-Diam 150 x ép. 10 mm
-Diam 200 x ép. 10 mm
*These datas are for information purpose only. They do not engage SCERAM’s responsibility.
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SILICON NITRIDE
SILICON NITRIDE
SILICON NITRIDE
Basic Properties
Excellent mechanical properties even at high temperature
Light
Low inertia
High hardness
Excellent resistance to friction and wear
Very high resistance to thermal shocks
Applications
Welding nozzles
TIG and plasma cutting (RSBN)
Bearings, shell bearings
Metal working tools
Inspection gauge
Bearing balls
Realisations

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ALUMINIUM NITRIDE
ALUMINIUM NITRIDE
ALUMINIUM NITRIDE
Basic properties
AlN resists to numerous metal welding (ferrous alloys and super alloys)
It has a good resistance to thermal shock
It is a good eletrical insulator and has a good thermal conductivity.
Applications
Defense systems
Railways systems (inverters for driving systems)
Aviation systems (telecommunication, research satellites)
Environmental: émission control
Realisations
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ZIRCONIA OXIDE
ZIRCONIA OXIDE
ZIRCONIA OXIDE
Basic properties
Very hard
Resists to high temperatur
Low thermal conductivity
Can be polished
Relatively flexible
Applications
Wear parts
Hot extrusions dies
Welding centring pins
Mechanical components for use at all temperature
Cutting tools, kitchen knives
Medical
Dental technicien
Scrapers
Doctor rings for pad printing