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International Syalons Syalon 101 is the first of the Si-Al-O-N (sialon) family of ceramic materials which has been developed, characterized and is now being manufactured under carefully controlled conditions, ensuring the high quality material is consistently produced.
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It is a general purpose engineering grade which is intended for applications demanding high strength, toughness, wear resistance and thermal shock resistance, where temperatures do not continuously exceed 1000°C, such as industrial wear, non-ferrous molten metal handling and metal forming.
Physical and Mechanical Properties of Syalon 101
The table below lists typical mechanical, thermal and electrical property data for Syalon 101.
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3 point RT Modulus of Rupture (Specimen 3 x 3 x 50, span 19.05mm)
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945
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MPa
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Weibull Modulus
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11
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–
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RT Unit Tensile Strength
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450
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MPa
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RT Compressive Strength
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>3500
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MPa
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RT Young’s Modulus of Elasticity
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288
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GPa
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RT Hardness (HRA)
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92
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–
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RT Hardness (Vickers Hv0.3)
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1500
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Kg/mm2
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Fracture Toughness K1C
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7.7
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MPam1/2
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Poisson’s Ratio
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0.23
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–
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Density
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3.23
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g/cc
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Porosity
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0
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%
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Thermal Expansion Coefficient (0-1200°C)
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3.04×10-6
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K-1
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Specific Heat
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620
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J/kg/K
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RT Thermal Conductivity
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21.3
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W/m/K
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Thermal Shock Resistance
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900
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ΔT°C quenched in water
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Electrical Resistivity
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10
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Ohm m
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Typical physical property data obtained under test conditions. All properties have been measured by independent testing authorities. The values given only apply to the test bodies on which they were determined, and therefore can only be recommended values.
Chemical and Corrosion Resistance of Syalon 101
Syalon 101 is a candidate for many chemical and process and molten metal handling applications as a result of its excellent resistance to corrosion by many acids and alkalis and molten metals as shown in the tables below.
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Hydrochloric acid
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33
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Boiling
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100
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None
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Nitric acid
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69
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Boiling
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100
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Weak
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Sulphuric acid
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98
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Boiling
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100
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None
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Hydrofluoric acid
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100
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Boiling
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100
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Strong
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Sodium hydroxide
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50
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Boiling
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100
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None
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Copper
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1150
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10
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Strong
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Brass
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950
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50
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None
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Aluminium
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950
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1000
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None
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Tin
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300
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100
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None
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Typical corrosion data obtained under test conditions. The values given only apply to the test bodies on which they were determined and therefore can only be recommended values.
Applications of International Syalons Syalon 101
Syalon 101 is used in a wide range of applications such as thermocouple protection sheaths, heater tubes and ladles in non-ferrous molten metal handling, weld location pins and extrusion dies in metal forming, tappet shims in automotive applications, grinding media and de-watering foils in industrial wear and hydrocyclones and metering valves in the oil and gas industry.
Exploiting Advantages of Syalon 101 for Your Applications
The successful integration of ceramics into industrial and engineering systems requires close collaboration between you, the end-user, and ourselves, the material suppliers. Our Technical Specialists are available to discuss your requirements in detail and assist in exploiting the significant advantages which Syalon 101 has to offer.
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