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High Performance of Cubic Zirconia Bricks as therm field of sapphire grower -save energy
Product Introduction:
HP e-fuzed Zirconia (also called zirconium oxide, Chemical Foumula: ZrO2), Relative molecular mass is 123.2, true density is 5.68g/cm3, Mohs hardness is 6.5, melting point is 2670deg.cel, under 20-1000deg cel average linear expansion coefficient is 10*10-6 deg-1, @1000 deg.cel thermal conductivity is 2.3W/(M*K).
Yttria(Chemical Formula:Y2O3)white, slightly yellow powder,Insoluble in water and alkali,soluble in acids. Mainly used for producing microwave use magnetic material and important material in military project (single crystal, Yttrium iron garnet,Yttrium aluminum garnet etc. composite oxides). also used as optical glass, ceramic material additive, hi-lite phosphor powde in large screen TV and other kinescope coatings, etc.
New Type Rare-Earth Composite Oxide Solid Solution Ceramic Thermal Field brief Introduction
Thermal resistance system of crystal growth furnace is
traditionally taken by multi-layer W-Mo material, normally
multi-layer structure,though satisfy crystallising demand, thermal
energy consumption serious loss.With crystal industry development
in recent years, some ceramic fiber screen systems appeared,
achieve better thermal resistance effect and obvious reducing
thermal loss,some ceramic basic material ageing to bring down
thermal resistance performance, thermal field collapse, free
volatiles, etc. problems caused, customer feedback about crack,
working life, atmospheric contamination of thermal field, etc.
problems, serious influence production cost, quality, profit of
high quality crystal, it is also the important problems the cystal
growth furnace manufacturer eager to settle. In the oversea
artificial crystal market, most of manufacturers has adopted the
zirconia thermal field or one matched metal mateiral instead of
W-Mo material.Fangming Company is concentrated on manufacturing
super high-temp. ceramics and ceramic thermal field system, instead
of fiber zirconia thermal field and traditional W-Mo screen thermal
system, save energy 40%-45%,clients' satisfied Composite Oxide
Solid Solution Ceramic Thermal Field.
Difference of Rare-Earth Composite Oxide Solid Solution Ceramic
Thermal Field from others.
●Material treated by special technology, no activity at high-temp.
state. Super high purity, working temp. higher than zirconia fiber
product,safety working temp. is below 2650deg. composite
multi-layer design is composed by high-temp. resisting layer and
bubble ball layer, excellent thermal stability and thermal
resisting performance, special technology make denaturation soild
solution ageing brought down, then reach super long working life
and anti-spelling performance, meantime avoid fiber material (from)
over shrinkage,compress at high-temp.state, breakthroug performance
ageing and down etc.defects caused by system attenuation after
traditional thermal field works. It is new type super high-temp.
solid solution ceramic material.Super low volatilization and
excellent oxygen release performances of solid solution ceramics is
unique one in the whole crystal growth thermal field materials home
and aboard.
● Rare-Earth Composite Oxide Solid Solution Ceramic have super high
melting point, low thermal conductivity performance, is super
high-temp. maerial inVacuum environment, reducing atmosphere and
electromagnetic induction furnace thermal field, do not react or
corroded, keep stability and uniformity at long-term super
high-temp.working environment.