ALUMINIUM NITRIDE

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

Eletronic application
Micro-electronic (LSI , portes capteurs, modules de hautes fréquences)
Naval radio systems
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

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

Realisations

PYREX

PYREX

PYREX

PYREX

Basic properties

Inert glass with high hydrolytic resistance
Hard glass with high softening point
Glass with low expansion coefficient with good resistance to thermal shock.
Glass easy to work with a blowtorch.
Millable
Working temperatures: from 300 to 400°C

Applications

Laboratory equipments
Optical sight glasses
Machined research components

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PYROPHYLLITE

PYROPHYLLITE

PYROPHYLLITE

PYROPHYLLITE

Basic properties

Good electrical insulator
Low dielectric loss
Resists to chemicals
Stability and precision of shapes
Resistant to high temperature
Excellent resistance to deep vacuum
Good resistance to thermal shock
Very low thermal expansion when heated to 1050°C

Applications

Electrical engineering
Scientific research
Prototype parts and small series of insulating parts
Used to make small laboratories furnaces
Wear parts (sanding tubes, casting nozzles
MIG and TIG welding nozzle
Plasma nozzles
Welding assemble support and positionning templates

Pyrophillite is a natural rock carefully selected in quarries. Its chemical make-up is very close to traditionnal ceramics.
This natural ceramic makes it possible to machine small parts at cold temperature and then to anneal them at 1050°c or 1300°c depending on usage conditions.

Chemical composition: Red loss: 4.69%, SiO2 : 63.79%, Al2O3 : 27.83% ,TiO2 : 0.41%, Fe2O3 : 0.048%, CaO : 0.10%, K2O : 2.96%, Na2O : 0.25%

Realisations

associated products ↓

QUARTZ

QUARTZ

QUARTZ

QUARTZ

Basic properties

High chemical purity
Very weak expansion coefficient
Very high thermal shock resistance
Working temperature : 1050°c
Peak temperature lapses: 1200°c
Can be worked when heated. Possibility to produce complex shapes
Can be welded
Very good optical properties. Transmission in UV spectrum

Applications

Sight discs
Optical
Semi-conductors.
Laboratory material
Electronic
Infrared

Realisations

SAPPHIRE

SAPPHIRE

SAPPHIRE

SAPPHIRE

Basic properties

High mechanical strength
High thermal stability
High heat transmission
Chemically inert
Very high electrical insulation
Very high hardness
Very good wear resistance
Low friction coefficient
High temperature resistance
Good optical properties
Good resistance to acids
UV transparent, infrared and visible radiation.

Applications

Semi-conductor wafers
Watch windows
Electronical applications
Measuring tools.
Optical prisms and lenses
Pistons

Realisations

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