ArticleMaterials (Basel, Switzerland)2022
Heat Treatments of Metastable β Titanium Alloy Ti-24Nb-4Zr-8Sn Processed by Laser Powder Bed Fusion.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Strength-ductility synergy in medium-entropy alloys via harnessing trace air in additive manufacturing.Nature communications · 2026Article
- Machine learning driven discovery of low modulus biomedical titanium alloys for additive manufacturing.Nature communications · 2026Article
- Research progress on osseointegration performance of porous structure-modified titanium alloy implants.Frontiers in bioengineering and biotechnology · 2026Review
- Effect of Heat Treatment on In Vitro Cytotoxicity of Ti-Nb-Zr Gum Metal Alloy.Materials (Basel, Switzerland) · 2025Article
- Recent Advances and Prospects in β-type Titanium Alloys for Dental Implants Applications.ACS biomaterials science & engineering · 2024Review
- 3D printing metal implants in orthopedic surgery: Methods, applications and future prospects.Journal of orthopaedic translation · 2023Review
- Emerging Materials for Additive Manufacturing.Materials (Basel, Switzerland) · 2022Article
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Funding
Abstract
Titanium alloys, especially β alloys, are favorable as implant materials due to their promising combination of low Young's modulus, high strength, corrosion resistance, and biocompatibility. In particular, the low Young's moduli reduce the risk of stress shielding and implant loosening. The processing of Ti-24Nb-4Zr-8Sn through laser powder bed fusion is presented. The specimens were heat-treated, and the microstructure was investigated using X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. The mechanical properties were determined by hardness and tensile tests. The microstructures reveal a mainly β microstructure with α″ formation for high cooling rates and α precipitates after moderate cooling rates or aging. The as-built and α″ phase containing conditions exhibit a hardness around 225 HV5, yield strengths (YS) from 340 to 490 MPa, ultimate tensile strengths (UTS) around 706 MPa, fracture elongations around 20%, and Young's moduli about 50 GPa. The α precipitates containing conditions reveal a hardness around 297 HV5, YS around 812 MPa, UTS from 871 to 931 MPa, fracture elongations around 12%, and Young's moduli about 75 GPa. Ti-24Nb-4Zr-8Sn exhibits, depending on the heat treatment, promising properties regarding the material behavior and the opportunity to tailor the mechanical performance as a low modulus, high strength implant material.
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