Titanium is a foundational material in advanced engineering, valued for its outstanding strength-to-weight ratio, corrosion resistance, and biocompatibility. In high-precision applications, material purity is critical to performance and consistency. 5N Titanium, with a purity of 99.999%, significantly reduces metallic and gaseous impurities, making it ideal for use in sensitive environments such as semiconductor fabrication, aerospace systems, biomedical implants, nuclear reactors, and precision instrumentation.
Goodfellow’s 5N Titanium Foils and Disks are engineered to meet the exacting standards of researchers, engineers, and manufacturers. With controlled microstructure, excellent surface finish, and tight dimensional tolerances, these products provide reliable performance under harsh conditions including radiation exposure, vacuum, and corrosive environments. Offered in a variety of customizable formats, they are well-suited for both research and production use in fields such as electronics, energy systems, space technology, and medical device manufacturing.
Solving Critical Problems with High Purity Titanium Foils
1. Energy Storage and Electrochemical Systems
In lithium-ion and solid-state battery systems, impurities in current collector materials can catalyze side reactions that reduce capacity, stability, and cycle life. 5N titanium foil mitigates this risk by providing a chemically inert substrate with minimal trace contaminants.
This purity ensures long-term electrochemical stability and supports reproducible performance under high current densities and thermal loads.
2. Biomedical Implants and Diagnostic Components
The biocompatibility of titanium is a key factor in its use for implants and diagnostic tools. However, residual elements such as nickel, iron, or oxygen can provoke inflammatory or allergic responses.
5N titanium's extremely low impurity profile eliminates these risks, providing a safe material platform for permanent implants, biosensors, and medical microdevices. This makes it ideal for cleanroom manufacturing of surgical instruments and active implantable medical electronics.
3. Ultra-High Vacuum and Cryogenic Systems
In UHV environments, such as those used in particle physics, space instruments, or advanced microscopy, materials must exhibit minimal outgassing. Surface oxides or inclusions common in lower-purity metals can compromise vacuum integrity.
5N titanium foil offers a solution through its ultra-low outgassing rate and high surface cleanliness. It maintains structural stability and minimizes contamination, critical for applications such as cryogenic optical benches, beamline windows, and vacuum chamber linings.
4. Other Applications of 99.999% Pure Titanium
In aerospace and space systems, 5N titanium foil and disks are valued for their exceptional strength-to-weight ratio and resistance to oxidation at elevated altitudes and temperatures. These properties are critical for components exposed to extreme thermal and mechanical stresses, such as thermal shielding, lightweight structural supports, and propulsion system interfaces. The ultra-high purity of 5N titanium also helps prevent embrittlement and material degradation over time—key considerations for long-duration missions and satellite payloads where maintenance is not possible.
In the electronics and microfabrication industries, 5N titanium is used in thin-film deposition processes, where its low impurity content ensures consistent electrical performance and adhesion properties. It is also utilized in precision resistors, MEMS devices, and interconnects for semiconductor packaging, where even trace contamination can lead to device failure. Nuclear energy applications similarly benefit from the high corrosion resistance and structural integrity of 5N titanium under radiation exposure and high temperatures, making it a reliable material for reactor internals, cooling systems, and containment components.
Material Properties of 5N Titanium
5N titanium is a premium grade of titanium with purity levels exceeding 99.999%, which offers exceptional resistance to corrosion and maintains its structural integrity even under extreme conditions. Key material properties include:
| Property | Description |
|---|---|
| Mechanical Strength | The high purity of 5N titanium results in excellent tensile strength, providing resilience in critical applications. |
| Corrosion Resistance | 5N titanium is highly resistant to a wide range of acids and environments, making it suitable for corrosive and high-temperature environments. |
| Lightweight | It maintains the characteristic low density of titanium, ensuring reduced weight in applications where this is crucial, such as aerospace and medical implants. |
| Biocompatibility | With its ultra-low impurity levels, 5N titanium is ideal for medical implants, offering minimal risk of rejection or adverse reactions in the human body. |
| Ductility and Formability | Despite its high strength, 5N titanium retains excellent formability, allowing it to be processed into thin foils and disks without compromising material properties. |
What is The Difference Between 4N, 4N5, and 5N Titanium?
The primary difference between 4N, 4N5, and 5N titanium lies in their purity levels:
- 4N titanium is 99.99% pure
- 4N5 titanium is 99.995% pure
- 5N titanium is 99.999% pure
As the purity increases, the total concentration of metallic and gaseous impurities—such as oxygen, carbon, and iron—decreases significantly. This progression enhances material performance in applications where contamination can critically affect results. 4N titanium is typically used in specific applications such as electronics, and biomedical research. 4N5 is suitable for more demanding uses like thin-film deposition and optical coatings, while 5N titanium is reserved for ultra-sensitive environments such as semiconductor fabrication, high-vacuum systems, and advanced scientific research, where even trace contamination must be minimized.
What High-Purity 5N Titanium Foils Are Available from Goodfellow?
Below is a product table of 5N titanium foils Goodfellow supplies, with detailed specifications to help engineers and researchers make informed decisions for their project:
| Purity | Thickness (mm) | Form |
|---|---|---|
| 99.999% | 0.005 | Foil, Disk |
| 99.999% | 0.01 | Foil, Disk |
| 99.999% | 0.025 | Foil, Disk |
| 99.999% | 0.05 | Foil, Disk |
| 99.999% | 0.1 | Foil, Disk |
| 99.999% | 0.2 | Foil, Disk |
| 99.999% | 0.3 | Foil, Disk |
| 99.999% | 0.4 | Foil, Disk |
| 99.999% | 0.5 | Foil, Disk |
| 99.999% | 0.75 | Foil, Disk |
People Also Ask
How should 5N titanium foils and disks be stored before use?
5N titanium foil and disks should be stored in cleanroom conditions to avoid contamination. They must be kept in light-tight, sealed packaging to prevent exposure to dust, moisture, and airborne particles. Goodfellow offers cleanroom-compatible packaging to ensure material integrity prior to use.
What precautions should be taken when handling 5N titanium in a cleanroom?
When handling 5N titanium in a cleanroom, always wear cleanroom garments (e.g., gloves, lab coats, face masks) to minimize contamination from oils, dirt, or particles. Ensure the environment is maintained according to the cleanroom class to preserve the material’s purity.
Can 5N titanium foils and disks be exposed to light?
5N titanium foil and disks should be kept in light-tight conditions before use to prevent oxidation or surface contamination. While titanium is not highly sensitive to light, exposure to ambient conditions may lead to surface degradation, especially in high-performance applications.
How do I clean 5N titanium foils and disks before use?
Use high-purity solvents like isopropyl alcohol (IPA) or acetone and a lint-free wipe. Avoid abrasive materials to preserve surface quality. In sensitive applications, clean in a cleanroom to prevent contamination that may affect performance.
What surface treatments are available for 5N titanium foils and disks?
Surface treatments include chemical passivation, anodizing, and electropolishing. These improve corrosion resistance, surface smoothness, and biocompatibility. For instance, anodizing boosts corrosion resistance, while electropolishing smooths the surface and removes contaminants.
Why is it important to use 5N titanium in cleanroom environments?
5N titanium is used in cleanroom environments to maintain its exceptional purity. Cleanroom conditions protect components from particulate contamination, ensuring they meet specifications required in semiconductors, biomedical implants, and aerospace systems.
What is the impact of surface treatment on 5N titanium?
Surface treatments like anodizing and electropolishing enhance durability and performance. Anodizing increases corrosion resistance and creates a protective oxide layer, ideal for aerospace and marine uses. Electropolishing smooths surfaces and reduces bacterial risk in biomedical implants.
Conclusion
Goodfellow’s 5N Titanium Foils and Disks provide exceptional material properties, including high purity, mechanical strength, and corrosion resistance, making them ideal for demanding applications in aerospace, medical, electronics, nuclear energy, and other specialized industries. Engineers and researchers requiring materials with precise specifications will find 5N titanium an optimal choice for applications where performance, reliability, and longevity are critical.
