Titanium/Molybdenum Alloy (Ti84/Mo16) is a titanium-based alloy engineered to deliver a balance of low elastic modulus, biocompatibility, and mechanical stability. With approximately 84% titanium and 16% molybdenum by weight, the alloy exhibits an advantageous combination of strength, corrosion resistance, and bioactivity, making it particularly suitable for biomedical and structural applications (Zhao et al., 2008).
Material Overview
Physically, Ti84/Mo16 demonstrates a low elastic modulus, which can be further tuned through controlled porosity achieved via powder metallurgy techniques, such as the ammonium bicarbonate medium method. This process enables precise porosity control, producing structures that can closely mimic the mechanical behavior of bone. At a porosity of approximately 72%, the alloy achieves a compressive strength of about 32.7 MPa—an ideal range for low-load biomedical applications such as bone scaffolds and orthopedic implants (Zhao et al., 2008).
Chemically, molybdenum acts as a strong β-phase stabilizer within the titanium matrix, enhancing ductility and corrosion resistance. The alloy’s surface supports the growth of bioactive coatings such as apatite, which promotes osseointegration by forming a chemical bond with natural bone tissue (Zhao et al., 2009). This bioactivity, combined with excellent resistance to oxidation and physiological degradation, contributes to its long-term biocompatibility in implantable medical devices.
Applications and Advantages
Biomedical applications. Ti84/Mo16 is primarily used in orthopedic and dental implants due to its low modulus of elasticity, which reduces stress shielding and improves compatibility with human bone. The alloy’s porosity and surface chemistry make it highly receptive to apatite coatings, further enhancing bone integration and long-term stability. Its corrosion resistance ensures safety and longevity in physiological environments.
Aerospace and industrial applications. Beyond medical use, titanium–molybdenum alloys are recognized for their high strength-to-weight ratio and thermal stability, making them valuable in aerospace, automotive, and chemical processing applications. In particular, Ti84/Mo16’s stability under oxidizing and corrosive conditions allows its potential use in heat exchangers, fasteners, and precision-engineered components where both strength and corrosion resistance are essential (Lowrie, 2009).
Manufacturing and processing. Ti84/Mo16 is typically fabricated using powder metallurgy and vacuum sintering to achieve uniform microstructures with controlled porosity. This method allows fine-tuning of density and mechanical properties, enabling application-specific customization. Surface modification techniques—such as plasma spraying, anodizing, or bioactive coating deposition—further enhance biocompatibility and performance in demanding environments (Besisa & Yajima, 2024).
Goodfellow Availability
Goodfellow supplies Titanium/Molybdenum (Ti84/Mo16) alloys for research and engineering applications requiring a combination of biocompatibility, corrosion resistance, and tailored mechanical behavior. Available in various forms, this alloy is particularly suited to biomedical studies, implant development, and advanced manufacturing research involving porous or coated titanium alloys.
Explore Titanium/Molybdenum (Ti84/Mo16) and related titanium alloys in Goodfellow’s online catalogue: Goodfellow product finder.
References
- 赵明威, 殷海荣, Cui’E. W., & 刘向红. (2008). Powder Metallurgy Processing, Microstructure and Properties of TiMo Alloy and Its Porous Material. https://doi.org/10.3969/j.issn.1000-5811.2008.03.012
- 赵明威, 王晓江, & Cui’E. W. (2009). Surface Modification of Ti84Mo16 Biocompatible Alloy. https://doi.org/10.3969/j.issn.1001-3814.2009.08.023
- Lowrie, N. (2009). Chapter 44: Titanium. In Metals and Materials. https://doi.org/10.1680/mocm.35973.0527
- Besisa, N. H. A., & Yajima, T. (2024). Titanium-Based Alloys: Classification and Diverse Applications. https://doi.org/10.5772/intechopen.1005269
- Jinyan, W. (2012). An Overview on Application Status and Processing Technology Development of Titanium Alloy. Materials Review.
- Sanchez, P. N. (2010). Titanium Alloys: Preparation, Properties, and Applications.