ArticleACS omega2026
Development and Characterization of Multiprincipal β‑Ti Alloys with Optimized Mechanical and Corrosion Properties for Biomedical Applications.
Article in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The development of novel β-titanium (β-Ti) alloys has become a promising strategy to overcome the intrinsic limitations of conventional biomaterials such as Ti-6Al-4 V and 316L stainless steel, particularly issues related to stress shielding and limited biocompatibility. In this study, equimassic β-Ti alloys (Ti-33Nb-33Zr, Ti-25Nb-25Zr-25Ta, and Ti-40Nb-40Zr) were designed, processed, and characterized with the objective of achieving an optimal balance between low elastic modulus and mechanical strength. The alloys were produced by arc melting and subsequently hot rolled, followed by comprehensive structural, thermal, and mechanical analyses. Microstructural characterization revealed a predominant β phase with minor α″ martensite, while both thermodynamic simulations and experimental results indicated β-transus temperatures below 500 °C. Among the investigated compositions, Ti-40Nb-40Zr exhibited the lowest elastic modulus (42 GPa), approaching that of human bone, combined with satisfactory mechanical strength and ductility (ultimate tensile strength: 791 MPa; elongation: 39%). In contrast, Ti-25Nb-25Zr-25Ta presented superior hardness (316 HV
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