Titanium alloy foil is a titanium alloy strip made of pure titanium mixed with other elements. Due to its excellent mechanical properties, high specific strength, excellent oxidation resistance, good corrosion resistance, and low density, titanium foil is widely used in aviation, aerospace, medical and chemical industries. The addition of different alloying elements can change the properties and uses of titanium foil, such as adding aluminum and iron to enhance hardness and toughness, adding vanadium and zirconium to improve thermal stability, and adding copper and nickel to improve welding performance.
Titanium alloy foil is a ti alloy foil with excellent physical and chemical properties. Here are its main features.
1. Physical properties
- Density: 4.51 g/cm³
- Tensile strength: ≥ 880 MPa
- Yield strength: ≥ 830 MPa
- Elongation: ≥ 10%
- Elastic modulus: ≥ 103 GPa
- Hardness: ≥ 35 HRC
2. Chemical Composition
|
Grade |
Gr1 |
Gr2 |
Gr3 |
Gr4 |
Gr5 |
Gr7 |
Gr9 |
Gr12 |
|
N |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
|
C |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
|
H |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
|
Fe |
0.2 |
0.3 |
0.3 |
0.5 |
0.4 |
0.3 |
0.25 |
0.3 |
|
O |
0.18 |
0.25 |
0.35 |
0.4 |
0.2 |
0.25 |
0.15 |
0.25 |
|
Al |
|
|
|
|
5.5~6.75 |
|
2.5~3.5 |
|
|
V |
|
|
|
|
3.5~4.5 |
|
2.0~3.0 |
|
|
Pa |
|
|
|
|
|
0.12~0.25 |
|
|
|
Mo |
|
|
|
|
|
|
|
0.2~0.4 |
|
Ni |
|
|
|
|
|
|
|
0.6~0.9 |
|
Ti |
balance |
balance |
balance |
balance |
balance |
balance |
balance |
balance |
3. Production Process
- Melting: heating pure titanium or titanium alloy materials to the melting point to form a molten liquid.
- Pouring: Pour the molten liquid into the mold, cool and solidify into the desired shape.
- Hot rolling: heat-process the solidified titanium alloy billet, heat it to a high temperature and perform pressing and plastic processing at a high temperature to prepare the desired titanium alloy sheet or foil.
- Hardening: harden titanium alloy sheet or foil by heat treatment, cold working, etc. to improve its strength, toughness, and corrosion resistance.
- Cutting: Carry out specifications and lengths according to customer requirements, and use cutting technology to cut titanium alloy sheets or foils into required shapes.
- Inspection: Through various non-destructive or destructive inspection methods, inspect whether the quality and performance of titanium alloy sheet or foil meet the national standards or customer requirements.
- Packaging: Packaging titanium alloy sheets or foils for transportation and storage.
4. Working Principle
Titanium alloy foil is mainly made of titanium alloy material, which can be used in high temperature, high pressure, and high corrosion environment. Its main function is to be used as thermal isolation, electrical isolation and anti-corrosion material. Its working principle can be summarized as follows:
- Thermal isolation: Titanium alloy has good thermal conductivity, and titanium foil can disperse heat, effectively isolate objects of different temperatures, and avoid temperature cross-interference and thermal damage to equipment.
- Electrical isolation: It can be used as an electrical isolation material to help isolate electrical current between circuits or components, preventing electrical interference and electromagnetic interference.
- Anti-corrosion: Titanium alloy has extremely strong anti-corrosion properties, and it can help avoid metal oxidation, rust, and other problems, and enhance the durability and reliability of materials.
To sum up, it can effectively play the role of thermal isolation, electrical isolation, and anti-corrosion in high temperature, high pressure, and high corrosion environment, ensuring the normal operation and service life of the equipment.
5. Package & Application Fields
Titanium alloy foil can be used in the following fields:
- Aerospace industry: used to manufacture aircraft, missiles, satellites, rockets, and other aerospace devices, such as gas turbines, engine parts, steam generators, etc.
- Chemical industry: used to manufacture equipment for corrosion resistance, heat resistance, corrosion resistance, high-temperature resistance, and strong acid and alkali resistance, such as catalyst carriers, dyes, and chemical packaging.
- Medical devices: used in the manufacture of orthopedic implants, dental implants, orthotics, and other medical devices.
- Precision instruments: used to manufacture high-precision optical instruments, gas analyzers, high-precision instruments, and meters, etc.
- Electronics industry: used in the manufacture of high-density integrated circuit (IC) packaging substrates, fast-charging batteries, etc.
In general, titanium alloy strip has excellent properties, such as high corrosion resistance, high strength, lightweight, etc., so it is widely used in many fields.
Hot Tags: titanium alloy foil, China titanium alloy foil manufacturers, suppliers, Titanium Alloy Foil
