Machinable Ceramics
Name ¡@ SHAPAL M SOFT
¡@ SHAMS
Composition ¡@ ALN-BN
General Properties Color Light Gray
Bulk Density(g/cm3) 2.9
Water Adsorption Ratio(%) 0
Mechanical Properties Bending Strength (MPa) 290
Compressive Strength (MPa) 1180
Young's Modulus (GPa) 180
Poisson's Ratio 0.31
Hardness (GPA) 3.9
Electrical Properties Volume Resistivity [RT] (£[¡Ecm) 20x1012
                               [500¢J] (£[¡Ecm) -
Dielectric Constand [1MHz] 7
Dielectric Tangent [1MHz] 0.001
Dielectric Strength (kV/mm) 40
Theremal Properties Max. Useable Temperature (¢J) 1900   ¡°1
Thermal Expansion [RT-200¢J] (/¢J) -
                                [RT-400¢J] (/¢J) 4.4x10-6
                                [RT-600¢J] (/¢J) 4.8x10-6
                                [RT-800¢J] (/¢J) 5.1x10-6
Thermal Conductivity [RT] (W/m¡Ek) 90
                                   [400¢J] (W/m¡Ek) -
                                   [800¢J] (W/m¡Ek) -
Specific Heat [RT] (kj/kg¡Ek) -
                      [400¢J] (kj/kg¡Ek) -
                      [800¢J] (kj/kg¡Ek) -
Thermal Shock Strength (¢J) 400
Vacuum Properties Degassing [RT] (Torr¡El/s¡Ecm2) -
                    [600¢J]  (Torr¡El/s¡Ecm2) -
Helium permeability [RT] (Torr¡El/s¡Ecm2) -
Remarks  ¡°1  non-oxidative atmosphere

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