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Commercially Pure Silver vs. Grade Ti-Pd18 Titanium

Commercially pure silver belongs to the otherwise unclassified metals classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 commercially pure silver and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 1.1 to 29
17
Poisson's Ratio 0.37
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 190 to 340
710

Thermal Properties

Latent Heat of Fusion, J/g 110
410
Melting Completion (Liquidus), °C 960
1640
Melting Onset (Solidus), °C 960
1590
Specific Heat Capacity, J/kg-K 240
550
Thermal Conductivity, W/m-K 420
8.2
Thermal Expansion, µm/m-K 20
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 87
2.7

Otherwise Unclassified Properties

Density, g/cm3 10
4.5

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 13
35
Strength to Weight: Axial, points 4.9 to 8.9
44
Strength to Weight: Bending, points 6.9 to 10
39
Thermal Diffusivity, mm2/s 170
3.3
Thermal Shock Resistance, points 9.5 to 17
52

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.25
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silver (Ag), % 99.9 to 100
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4