Jul 8 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Introduction
Titanium alloys have excellent corrosion resistance and very high tensile strength and toughness. These are also light weight and their properties are not affected to a large extent even at elevated temperatures. The durability of these alloys makes them profitable for several industries.
The following sections will discuss in detail about grade 18 Ti 3Al 2.5V 0.05Pd alloy.
Chemical Composition
The chemical composition of grade 18 Ti 3Al 2.5V 0.05Pd alloy is outlined in the following table.
|
Element |
Content (%) |
|
Titanium, Ti |
92.595 - 95.16 |
|
Aluminum, Al |
2.5 - 3.5 |
|
Vanadium, V |
2.3 - 3.0 |
|
Iron, Fe |
≤ 0.25 |
|
Oxygen, O |
≤ 0.15 |
|
Carbon, C |
≤ 0.080 |
|
Palladium, Pd |
0.040 - 0.080 |
|
Nitrogen, N |
≤ 0.030 |
|
Hydrogen, H |
≤ 0.015 |
|
Other, each |
≤ 0.050 |
|
Other, total |
≤ 0.30 |
Physical Properties
The physical properties of grade 18 Ti 3Al 2.5V 0.05Pd alloy are tabulated below.
|
Properties |
Metric |
Imperial |
|
Density |
4.50 g/cm3 |
0.163 lb/in3 |
Mechanical Properties
The following table shows mechanical properties of grade 18 Ti 3Al 2.5V 0.05Pd alloy.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
621 - 740 MPa |
90100 - 107000 psi |
|
Yield strength |
483 - 607 MPa |
70100 - 88000 psi |
|
Elastic modulus |
91.0 - 107 GPa |
13200 - 15500 ksi |
|
Elongation at break |
15 - 17 % |
15 - 17 % |
|
Hardness, Rockwell C |
15 |
15 |