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Supplier: Robuster Quartz
Description: requirement of quartz crucible with high purity and the appearance of defects, internal quality, high temperature performance, thermal stability, dimensional accuracy. As a quartz crucible manufacturer from China. We can supply you quartz
- O.D. / Width: 10.0000054 to 24.7244228 inch
- Height: 7.086618 to 18.503947 inch
- Wall Thickness: 0.2362206 to 0.5118113 inch
- Melt Temperature: 1,500 C
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Supplier: CoorsTek
Description: Synthetic quartz glass crucibles used for pulling single crystal silicon must be extremely pure and heat resistant — directly contacting electronic grade silicon (EGS) at high temperatures for prolonged periods. CoorsTek offers various grades of ultra-pure quartz
- O.D. / Width: 31.49608 inch
- Bottom / Pour Type: Flat Bottom
- Material Types: Fused Quartz
- Applications: Semiconductor Manufacturing
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Supplier: Robuster Quartz
Description: for 10 times cycle Density 2.19g/cm 3 (normal fused silica ceramic is 1.9g/cm3), No shrinkage at high temperature Porosity <1% Smooth and shining surface Chemical Stability Inert to most acid, base, metal and metal oxide Reactivity with other elements Metal Temperature Acid
- Capacity: 0.9153572418572419 to 2.440952644952645 cubic inches
- O.D. / Width: 1.6141741 to 2.2440957 inch
- Height: 0.9842525 to 1.4566937 inch
- Applications: Chemical Processing, Foundry / Casting
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Supplier: Robuster Quartz
Description: for 10 times cycle Density 2.19g/cm 3 (normal fused silica ceramic is 1.9g/cm3), No shrinkage at high temperature Porosity <1% Smooth and shining surface Chemical Stability Inert to most acid, base, metal and metal oxide Reactivity with other elements Metal Temperature Acid
- Capacity: 0.6102381612381612 to 12.204763224763223 cubic inches
- O.D. / Width: 1.574804 to 4.4488213 inch
- Height: 0.7086618 to 1.8503947 inch
- Applications: Chemical Processing
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Supplier: Robuster Quartz
Description: for 10 times cycle Density 2.19g/cm 3 (normal fused silica ceramic is 1.9g/cm3), No shrinkage at high temperature Porosity <1% Smooth and shining surface Chemical Stability Inert to most acid, base, metal and metal oxide Reactivity with other elements Metal Temperature Acid
- Capacity: 0.3051190806190806 to 9.153572418572418 cubic inches
- O.D. / Width: 1.1417329 to 3.3070884 inch
- Height: 1.1417329 to 2.2834658 inch
- Applications: Chemical Processing, Foundry / Casting
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Description: Advantages Of Boron Nitride Ceramic Crucible Boron nitride ceramic crucible has good heat resistance, thermal stability, thermal conductivity and high temperature dielectric strength, which is an ideal application in heat dissipation and high temperature
- Thermal Conductivity: 33 W/m-K
- Coeff. of Thermal Expansion (CTE): 2 µm/m-C
- Dielectric Constant (Relative Permittivity): 4 #
- Specialty Ceramic Type: Boron Nitride
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Description: its high thermal conductivity, it has high thermal shock resistance. Excellent electrical properties: excellent high-temperature insulation; up to 1014Ω-cm at 25°C and 103Ω-cm at 2000°C. So it is the best high temperature. Insulating material in ceramics.
- Thermal Conductivity: 33 W/m-K
- Coeff. of Thermal Expansion (CTE): 2 µm/m-C
- Dielectric Constant (Relative Permittivity): 4 #
- Specialty Ceramic Type: Boron Nitride
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Description: its high thermal conductivity, it has high thermal shock resistance. Excellent electrical properties: excellent high-temperature insulation; up to 1014Ω-cm at 25°C and 103Ω-cm at 2000°C. So it is the best high temperature. Insulating material in ceramics.
- Thermal Conductivity: 33 W/m-K
- Coeff. of Thermal Expansion (CTE): 2 µm/m-C
- Dielectric Constant (Relative Permittivity): 4 #
- Specialty Ceramic Type: Boron Nitride
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Description: its high thermal conductivity, it has high thermal shock resistance. Excellent electrical properties: excellent high-temperature insulation; up to 1014Ω-cm at 25°C and 103Ω-cm at 2000°C. So it is the best high temperature. Insulating material in ceramics.
- Thermal Conductivity: 33 W/m-K
- Coeff. of Thermal Expansion (CTE): 2 µm/m-C
- Dielectric Constant (Relative Permittivity): 4 #
- Specialty Ceramic Type: Boron Nitride
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Indicates content that may require registration and/or purchase.
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http://dspace.mit.edu/bitstream/handle/1721.1/42359/234196999-MIT.pdf?sequence=2
The ingot is a silicon crystal grown in a high - temperature quartz crucible inside an atmosphere of inert gas.
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Evaluation on electrical resistivity of silicon materials after electron beam melting
Oxygen impurity is one of the main impurities in the crystal, which can be incorporated into silicon ingot during the casting process due to the reaction between silicon melt and quartz crucible at high temperature .
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IVth International Glass Congress in Paris
~ungsten and molybdenum glasses were melted in quartz crucibles at higher temperatures .
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Photovoltaics
Crystal growth begins with the extraction of a vaccinating crystal of the melt that is located in a quartz crucible at high temperature .
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Photovoltaics
Crystal growth begins with the extraction of a vaccinating crystal of the melt that is located in a quartz crucible at high temperature .
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Influence of catalyst residues on thermo-oxidative aging and thermal stability of poly(butene-1)
… was measured by boiling ether extraction for 48 h; b Melt flow index was tested at 190 °C with a load 2160 g (ASTM D1238); c The iPB samples were treated under high temperature in a quartz crucible and the finally obtained …
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http://dspace.mit.edu/bitstream/handle/1721.1/51532/30685194-MIT.pdf?sequence=2
Purified BeO2 and A1203 targets were prepared by precipitating the Be or Al as the hydroxide and heating at high temperature in a quartz crucible to convert to the oxide.
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CHARACTERIZING COSTS, SAVINGS AND BENEFITS OF A SELECTION OF ENERGY EFFICIENT EMERGING TECHNOLOGIES IN THE UNITED STATES
In the CZ process, crushed polycrystalline silicon is doped with arsenic, boron, phosphorus, or antimony and melted at high temperatures in a quartz crucible .
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Emerging energy-efficient industrial technologies
In the CZ process, crushed polycrystalline silicon is doped with arsenic, boron, phosphorus, or antimony and melted at high temperatures in a quartz crucible .
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Phase constitution and lattice parameter relationships in rapidly solidified (Fe0.65 Mn0.35 )0.83 Al0.17 -xC and Fe3 Al-xC pseudo-binary alloys
Because Fe3AI-xC alloys seem to have high melting tem- peratures , quartz crucibles were unusable for the melt- spinning process.