Introduction
Titanium alloys are widely used across various industries due to their excellent mechanical and chemical properties. They find applications in automotive, consumer electronics, military, aerospace, medical, marine, and sports equipment sectors. Among the different grades, Grade 7 Ti-0.15Pd alloy stands out for its exceptional corrosion resistance, especially in reducing acids and hot halide environments.
The addition of palladium significantly enhances the alloy's ability to resist corrosion. This grade is similar to Grade 2 titanium in terms of strength and ductility, making it a versatile option for a range of applications where both formability and durability are required.
This section provides a detailed overview of the Grade 7 Ti-0.15Pd alloy, covering its chemical composition, physical, mechanical, and thermal properties.
Chemical Composition
The chemical composition of Grade 7 Ti-0.15Pd alloy is outlined in the table below:
| Element |
Content (%) |
| Iron, Fe |
0.3 |
| Oxygen, O |
0.25 |
| Palladium, Pd |
0.12–0.25 |
| Carbon, C |
0.08 |
| Nitrogen, N |
0.03 |
| Hydrogen, H |
0.015 |
| Other, total |
0.4 |
| Titanium, Ti |
Balance |
Physical Properties
Grade 7 Ti-0.15Pd alloy exhibits favorable physical characteristics that make it suitable for various engineering applications. Below is a summary of its physical properties:
| Properties |
Metric |
Imperial |
| Density |
4.51 g/cm³ |
0.162 lb/in³ |
Mechanical Properties
The mechanical properties of Grade 7 Ti-0.15Pd alloy are essential in determining its suitability for structural and load-bearing applications. The following table provides key mechanical data:
| Properties |
Metric |
Imperial |
| Tensile Strength |
485 MPa |
70,343 psi |
| Yield Strength |
350 MPa |
50,763 psi |
| Elastic Modulus |
103 GPa |
14,938 ksi |
| Elongation in 50 mm (A5) |
28% |
28% |
| Hardness (HV) |
150 |
150 |
Thermal Properties
Understanding the thermal behavior of an alloy is crucial for applications involving temperature variations. Here are the thermal properties of Grade 7 Ti-0.15Pd alloy:
| Properties |
Metric |
Imperial |
| Thermal Conductivity (at room temperature) |
20.8 W/mK |
144 BTU in/hr.ft².°F |
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