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Type IV Alumina vs. C76200 Nickel Silver

Type IV alumina and C76200 nickel silver belong to fundamentally different material chemistries. Type IV alumina is a ceramic material, while C76200 nickel silver is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 16 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is type IV alumina and the bottom bar is C76200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 370
120
Poisson's Ratio 0.22
0.31
Shear Modulus, GPa 150
44
Tensile Strength: Ultimate (UTS), MPa 250
390 to 790

Thermal Properties

Maximum Temperature: Mechanical, °C 1730
170
Melting Onset (Solidus), °C 2040
980
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 30
45
Thermal Expansion, µm/m-K 7.3
19

Otherwise Unclassified Properties

Density, g/cm3 4.0
8.2

Common Calculations

Stiffness to Weight: Axial, points 52
7.8
Stiffness to Weight: Bending, points 61
20
Strength to Weight: Axial, points 18
13 to 27
Strength to Weight: Bending, points 22
14 to 23
Thermal Diffusivity, mm2/s 8.6
14
Thermal Shock Resistance, points 6.6
13 to 26