Titanium/Aluminium (Ti65/Al35) Powder is a lightweight, high-performance alloy powder combining the superior strength and corrosion resistance of titanium with the low density and oxidation resistance of aluminum. This alloy exhibits an outstanding balance of physical and chemical properties, making it a key material in modern engineering, aerospace, biomedical, and additive manufacturing applications (Sugar et al., 2024; Moll, 2000).
Material Overview
Physically, Ti65/Al35 powder is characterized by a low density and high strength-to-weight ratio, typical of titanium-based alloys. These attributes make it ideal for weight-sensitive applications, such as aerospace and automotive engineering, where reducing component mass without sacrificing strength is critical. Chemically, the alloy offers excellent corrosion resistance and biocompatibility, making it suitable for biomedical applications, including dental and orthopedic implants (Sugar et al., 2024; Qian & Froes, 2015).
The composition generally includes 60–65% titanium and 30–35% aluminum, with potential trace additions of elements such as boron, tungsten, silicon, or vanadium to improve hardness, oxidation resistance, and wear performance (Zhiping & Qiaoling, 2018; Ing et al., 1997). The resulting microstructure provides both mechanical resilience and thermal stability, allowing Ti65/Al35 to perform reliably under high stress and temperature conditions.
Processing and Microstructure
The Ti65/Al35 alloy is commonly processed via powder metallurgy techniques, including hot isostatic pressing (HIP) and sintering, which enable the production of near-net-shape components with high density and mechanical integrity (Qian & Froes, 2015; Wang & Dahms, 1992). The fine powder form allows for excellent flowability and uniform microstructure control, both of which are crucial for additive manufacturing (AM) methods like 3D printing and laser powder bed fusion (Zengfeng et al., 2017).
During processing, the alloy can form ordered γ-TiAl and α₂-Ti₃Al intermetallic phases, which contribute to high-temperature strength and oxidation resistance. This phase stability ensures performance consistency in structural components exposed to temperatures exceeding 800°C (Williams & Belov, 1982; Moll, 2000).
Applications and Advantages
Aerospace and automotive engineering. Ti65/Al35 powder is used in the manufacture of turbine blades, compressor components, and lightweight structural parts where its combination of strength, creep resistance, and low density provides significant performance benefits (Moll, 2000; Williams & Belov, 1982).
Biomedical applications. Owing to its biocompatibility and resistance to body-fluid corrosion, Ti65/Al35 is explored for dental implants and orthopedic devices. Surface modification techniques, such as apatite coating, can further enhance osseointegration and biological response (Sugar et al., 2024).
Additive manufacturing and powder metallurgy. The alloy’s excellent printability and controlled porosity make it an ideal material for 3D-printed components. These processes reduce material waste while maintaining high precision, structural integrity, and thermal stability in the final product (Zhiping & Qiaoling, 2018; Zengfeng et al., 2017).
Performance Benefits
- High strength-to-weight ratio and low density.
- Excellent corrosion and oxidation resistance.
- Good biocompatibility for medical applications.
- Stable intermetallic phases for high-temperature performance.
- Superior processability in powder metallurgy and additive manufacturing.
Goodfellow Availability
Goodfellow supplies Titanium/Aluminium (Ti65/Al35) Powder for research, development, and manufacturing applications. Available in various particle sizes and purities, this alloy is suitable for aerospace components, biomedical implants, and advanced additive manufacturing processes.
Explore Titanium/Aluminium (Ti65/Al35) Powder and related titanium-based materials in Goodfellow’s online catalogue: Goodfellow product finder.
References
- Sugar, P. F., Antala, R., Šugárová, J., & Kováčik, J. (2024). Powder Metallurgy‐Prepared Ti‐Based Biomaterials with Enhanced Biocompatibility. https://doi.org/10.1002/9781394175109.ch6
- Moll, J. H. (2000). Utilization of Gas-Atomized Titanium and Titanium-Aluminide Powder. JOM. https://doi.org/10.1007/S11837-000-0030-3
- Qian, M., & Froes, F. H. (2015). Titanium Powder Metallurgy: Science, Technology and Applications.
- Zhiping, L., & Qiaoling, J. (2018). Ti-Al-Based Amorphous Alloy Powder Material, Preparation Method Thereof and Application Thereof.
- Ing, M. I. D., Ing, K. B. P. D., & Thomas, J. (1997). Titanium-Aluminium Intermetallic Compound Material Production.
- Zengfeng, L., Gang, C., Ping, T., Huiping, T., Yuan, G., Shaoyang, Z., Lei, S., Jing’ou, Y., Jiayi, W., Jian, W., & Ying, S. (2017). Titanium and Aluminum Based Alloy Powder Material for Additive Manufacturing and Preparation Method Thereof.
- Wang, G.-X., & Dahms, M. (1992). TiAl-Based Alloys Prepared by Elemental Powder Metallurgy. PMI, Powder Metallurgy International.
- Williams, J. C., & Belov, A. F. (1982). Titanium and Titanium Alloys: Scientific and Technological Aspects.
- Кумар, Н., & Бхарти, А. (2022). Physical and Mechanical Properties of Titanium Alloys and Composites Obtained by Powder Metallurgy: A Comparative Analysis. Металловедение и Термическая Обработка Металлов. https://doi.org/10.30906/mitom.2022.5.3-9