Description
Sialon ladles
Sialon II ™ ladles (silicon nitride) are strong ladles for high pressure die casting machines and the best choice when it comes to non-wetting and mechanical strength properties.
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Sialon ULTRA™ is the new standard for the molten aluminium industry with a 30% higher impact fracture toughness than conventional Silicon Nitrides. All our products are polished to improve even more its excellent non-wetting properties.
XICAR® sintered silicon carbide is highly durable and performs exceptionally well in extreme high-temperature applications up to 1,900°C. It is highly resistant to chemical corrosion, making it an excellent choice for challenging applications in various industries.
Our SSiC thermocouple protection tubes are highly durable and perfect for harsh industrial environments. They resist corrosion and abrasion, can withstand high temperatures, and meet high standards of performance and reliability.
Get our premium XICAR® silicon carbide crucibles for high-temp processes. They meet industry standards and offer unbeatable quality, durability and performance.
XICAR™ Sintered silicon carbide provides a unique combination of physical properties, including high mechanical strength, toughness, excellent thermal shock resistance and resistance to corrosion. As a result, it is ideal for applications involving exposure to high-temperature liquids such as alloy melts and exposure to hot gases, with applications in mineral and chemical processing kilns and furnaces.
These ceramic ladles offer a superior service life compared to cast iron ladles, which means considerably less downtime for manufacturing.
Because of its strength and corrosion resistance, ceramic ladles has proven to be very effective in high pressure die casting machines.
With regards to Sialons, there is substitution of silicon by aluminum with corresponding atomic replacement of nitrogen by oxygen, to satisfy valency requirements. The resulting ‘solution’ has superior properties to the original pure solvent, syalon, silicon nitride or Si3N4.
Silicon Nitride ceramics (such as Sialon ladles) have found extensive use in non-ferrous molten metal handling, particularly aluminum and its alloys, including metal feed tubes for aluminum die casting, burner and immersion heater tubes, injector and degassing for nonferrous metals, thermocouple protection tubes, crucibles and ladles for high pressure diecasting machines.
Sialon II ™ ladles (silicon nitride) are strong ladles for high pressure die casting machines and the best choice when it comes to non-wetting and mechanical strength properties.
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Material data sheet | Sialon (Si3Al3O3N5) | ||||
Typical Sialon grades | NVD-001 | NVD-002 | NVD-003 | NVD-004 | |
Bulk Density | g/cm3 | 3.2 | 3.1 | 3.3 | 3.2 |
Water Absorption | % | 0 | 0 | 0 | 0 |
Flexural Strength | MPa | 580 | 900 | 1,020 | 790 |
Vickers Hardness HV1 | GPa | 13.9 | 12.7 | 15.0 | 13.8 |
Fracture Toughness (SEPB) | MPam1/2 | 4 ~ 5 | 6 ~ 7 | 7 | 6 ~ 7 |
Young’s Modulus of Elasticity | GPa | 290 | 270 | 300 | 290 |
Poisson’s Ratio | – | 0.28 | 0.28 | 0.28 | 0.28 |
Coefficient of Linear Thermal (40 – 800 °C)
Expansion |
×10-6/℃ | 3.2 | 3.4 | 3.3 | 3.5 |
Thermal Conductivity (20℃) | W/(m・k) | 25 | 23 | 27 | 54 |
Specific Heat | J/(g・k) | 0.64 | 0.66 | 0.65 | 0.66 |
Heat Shock Resistance | ℃ | 550 | 800 | 800 | 900 |
Volume Resistivity (20℃) | Ω・cm | >1014 | >1014 | >1014 | >1014 |
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