Mechanical properties of a Gum-type Ti-Nb-Zr-Fe-O alloy

Anna Nocivin; Ion Cinca; Doina Raducanu; Vasile Danut Cojocaru; Ion Alexandru Popovici

doi:10.1007/s12613-017-1477-3

Volume 24 Issue 8

Aug. 2017

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文章导航 > 矿物冶金与材料学报（英文） > 2017 > 24(8): 909-917

Anna Nocivin, Ion Cinca, Doina Raducanu, Vasile Danut Cojocaru, and Ion Alexandru Popovici, Mechanical properties of a Gum-type Ti-Nb-Zr-Fe-O alloy, Int. J. Miner. Metall. Mater., 24(2017), No. 8, pp. 909-917. https://doi.org/10.1007/s12613-017-1477-3

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Anna Nocivin, Ion Cinca, Doina Raducanu, Vasile Danut Cojocaru, and Ion Alexandru Popovici, Mechanical properties of a Gum-type Ti-Nb-Zr-Fe-O alloy, Int. J. Miner. Metall. Mater., 24(2017), No. 8, pp. 909-917. https://doi.org/10.1007/s12613-017-1477-3

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研究论文

Mechanical properties of a Gum-type Ti-Nb-Zr-Fe-O alloy

Faculty of Mechanical, Industrial and Maritime Engineering, Ovidius University of Constanta, 900527 Constanta, Romania
Faculty of Materials Science and Engineering, Politehnica University of Bucharest, 313 Spl. Independentei, 060042 Bucharest, Romania
Carol Davila University of Medicine and Pharmacy, 37 Dionisie Lupu St., 020022 Bucharest, Romania

通讯作者:
Ion Cinca E-mail: ion.cinca@upb.ro

中文摘要

A new Gum-type alloy (Ti-Nb-Zr-Fe-O) in which Fe is used instead of Ta was subjected to a particular thermomechanical processing scheme to assess whether its mechanical characteristics (fine β-grains with high strength and low modulus) render it suitable as a biomedical implant material. After a homogenization treatment followed by cold-rolling with 50% reduction, the specimens were subjected to one of three different recrystallization treatments at 1073, 1173, and 1273 K. The structural and mechanical properties of all of the treated specimens were analyzed. The mechanical characterization included tensile tests, microhardness determinations, and fractography by scanning electron microscopy. The possible deformation mechanisms were discussed using the Bo-Md diagram. By correlating all of the experimental results, we concluded that the most promising processing variant corresponds to recrystallization at 1073 K, which can provide suitable mechanical characteristics for this type of alloys:high yield and ultimate tensile strengths (1038 and 1083 MPa, respectively), a low modulus of elasticity (62 GPa), and fine crystalline grain size (approximately 50 μm).

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Mechanical properties of a Gum-type Ti-Nb-Zr-Fe-O alloy

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Abstract

Abstract

A new Gum-type alloy (Ti-Nb-Zr-Fe-O) in which Fe is used instead of Ta was subjected to a particular thermomechanical processing scheme to assess whether its mechanical characteristics (fine β-grains with high strength and low modulus) render it suitable as a biomedical implant material. After a homogenization treatment followed by cold-rolling with 50% reduction, the specimens were subjected to one of three different recrystallization treatments at 1073, 1173, and 1273 K. The structural and mechanical properties of all of the treated specimens were analyzed. The mechanical characterization included tensile tests, microhardness determinations, and fractography by scanning electron microscopy. The possible deformation mechanisms were discussed using the Bo-Md diagram. By correlating all of the experimental results, we concluded that the most promising processing variant corresponds to recrystallization at 1073 K, which can provide suitable mechanical characteristics for this type of alloys:high yield and ultimate tensile strengths (1038 and 1083 MPa, respectively), a low modulus of elasticity (62 GPa), and fine crystalline grain size (approximately 50 μm).
- biomaterials;
- mechanical properties;
- Gum-type alloy;
- thermomechanical processing;
- tensile test

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References

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Mechanical properties of a Gum-type Ti-Nb-Zr-Fe-O alloy

中文摘要

Mechanical properties of a Gum-type Ti-Nb-Zr-Fe-O alloy

Abstract

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