Ti–Ag–Pd alloy with good mechanical properties and high potential for biological applications

Zadorozhnyy, V.Yu.; Shi, Xuetao; Gorshenkov, M.V.; Kozak, Dmytro; Wada, Takeshi; Louzguine-Luzgin, Dmitri V.; Inoue, Asuka; Kato, Hidemi

doi:10.1038/srep25142

Cited by 18 publications

(6 citation statements)

References 47 publications

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“…Dual-axial forging was carried out based on our previous studies [24,[31][32][33][34][35][36][37][38] and Ti-Fe-Cu-Sn phase diagrams. In brief, the initial forging procedure was carried out along the long axis with 15 cycles of ingot rotation at a constant temperature of 900 • C, which corresponds to β-Ti region.…”

Section: Dual-axial Forging Procedures and Mechanical Testingmentioning

confidence: 99%

“…Interchanging Fe and Cu with Pd and Ag enhanced the biocompatibility, with a slight effect on the mechanical properties [35][36][37]. Among them, Ti 94 Ag 3 Pd 3 outperformed all the other alloys, exhibiting an optimum combination of physical and biocompatibility owing to the presence of Ag as an antibacterial agent [24,38].…”

Section: Introductionmentioning

confidence: 99%

“…Keeping all this in mind, all our previous research was focused on developing low-alloyed α + β titanium alloys [31][32][33][34][35][36][37][38]. Our group was successful in developing a low-alloyed Ti-based (Ti 94 Fe 3 Cu 3 ) alloy with comparatively good mechanical and electrochemical properties by simple thermo-mechanical treatment following a dual-axial forging procedure.…”

Section: Introductionmentioning

confidence: 99%

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Novel α + β Type Ti-Fe-Cu Alloys Containing Sn with Pertinent Mechanical Properties

Zadorozhnyy

Ketov

Wada

et al. 2019

Metals

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Rising demand for bone implants has led to the focus on future alternatives of alloys with better biocompatibility and mechanical strength. Thus, this research is dedicated to the synthesis and investigation of new compositions for low-alloyed Ti-based compounds, which conjoin relatively acceptable mechanical properties and low elastic moduli. In this regard, the structural and mechanical properties of α + β Ti-Fe-Cu-Sn alloys are described in the present paper. The alloys were fabricated by arc-melting and tilt-casting techniques which followed subsequent thermo-mechanical treatment aided by dual-axial forging and rolling procedures. The effect of the concentrations of the alloying elements, and other parameters, such as regimes of rolling and dual-axial forging operation, on the microstructure and mechanical properties were thoroughly investigated. The Ti94Fe1Cu1Sn4 alloy with the most promising mechanical properties was subjected to thermo-mechanical treatment. After a single rolling procedure at 750 °C, the alloy exhibited tensile strength and tensile plasticity of 1300 MPa and 6%, respectively, with an elastic modulus of 70 GPa. Such good tensile mechanical properties are explained by the optimal volume fraction balance between α and β phases and the texture alignment obtained, providing superior alternatives in comparison to pure α- titanium alloys.

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Section: Dual-axial Forging Procedures and Mechanical Testingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Novel α + β Type Ti-Fe-Cu Alloys Containing Sn with Pertinent Mechanical Properties

Zadorozhnyy

Ketov

Wada

et al. 2019

Metals

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“…A trimetallic Ti-Ag-Pd alloy with α + β-Ti structure has been synthesized and characterized. e Ti 94 Ag 3 Pd 3 alloy has great potential as a biomedical implant metallic composite [19]. Pd-Ag-decorated reduced graphene oxide (rGO) nanostructures were synthesized using a green chemical technique involving stevia extract and showed antibacterial potential under light irradiation.…”

Section: Introductionmentioning

confidence: 99%

Green Synthesis of Trimetallic Nanocomposite (Ru/Ag/Pd)-Np and Its In Vitro Antimicrobial and Anticancer Activities

Hussein

Mahmoud

Elgebaly

et al. 2022

Journal of Chemistry

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In this study, we used the aqueous extract of garlic tunicate leaf to reduce a mixture of equal amounts of ruthenium chloride, silver nitrate, and palladium acetate for the biosynthesis of ruthenium/silver/palladium trimetallic nanocomposite (Ru/Ag/Pd)-Np. Some physicochemical tools were used for nanocomposite characterization, including Fourier-transform infrared spectroscopy (FT-IR), X-ray di raction (XRD), thermal gravimetric analysis (TGA), UV-Vis spectroscopy (UV-Vis), scanning electron microscope (SEM), and transmittance electron microscope (TEM). XRD revealed that the crystal size of the nanocomposite is 15.67 nm. e TEM images showed that the particle size ranged 50-90 nm. e antimicrobial e cacy of the nanocomposite was examined against Aspergillus avus, Aspergillus niger, Candida albicans, Candida glabrata, Escherichia coli, and Bacillus cereus.e results showed a potent antimicrobial activity toward all tested microorganisms. (Ru/Ag/Pd)-Np showed antiproliferative activity against Caco-2, HepG2, and K562 cell lines. e antiproliferative potential of (Ru/Ag/Pd)-Np was signi cantly improved following UV irradiation.

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“…% Pd with eV. Also, Au-free Pd–Ag–Ti alloy shows excellent ORR activity, which is interesting considering that this alloy has high tensile properties, good electrochemical behavior, and good biocompatibility …”

mentioning

confidence: 95%

Optimizing the Catalytic Activity of Pd-Based Multinary Alloys toward Oxygen Reduction Reaction

Saidi

2022

J. Phys. Chem. Lett.

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The development of cost-effective catalysts for oxygen reduction reaction (ORR) has an enormous impact on fuel cells toward highly efficient low emission energy conversion. Recently, a Pt-free multinary PdAuAgTi alloy was discovered with excellent ORR activity and low overpotential close to that of Pt. To rationalize the experimental results, a model based on first-principles methods accelerated with deep learning is developed to rapidly compute and with high fidelity the *OH adsorption energy on the alloyed surface. The ensemble-average *OH adsorption energy is shown to explain the experimentally reported OER activities of PdAuAgTi and further is utilized to provide precise maps of the catalytic activity in the total composition space. Notably, the ORR activity of PdAuAgTi is found to be optimum in a narrow region of the composition space with 8−12 at. % Ti, which agrees with the experimental finding for enhanced ORR activity at 11−13 at. % Ti. In addition, replacing Au and Ag with the more cost-effective elements Cu and Zn is also shown to yield optimum catalysts for ORR. The current study shows that first-principles methods in conjunction with machine learning approaches are an effective tool for discovering multinary alloy systems for catalytic applications.

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Ti–Ag–Pd alloy with good mechanical properties and high potential for biological applications

Cited by 18 publications

References 47 publications

Novel α + β Type Ti-Fe-Cu Alloys Containing Sn with Pertinent Mechanical Properties

Novel α + β Type Ti-Fe-Cu Alloys Containing Sn with Pertinent Mechanical Properties

Green Synthesis of Trimetallic Nanocomposite (Ru/Ag/Pd)-Np and Its In Vitro Antimicrobial and Anticancer Activities

Optimizing the Catalytic Activity of Pd-Based Multinary Alloys toward Oxygen Reduction Reaction

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