Comparison of mechanical properties of a biomedical β Titanium alloy added with pure rare earth and rare earth oxides

Xiu Song; Lei Wang; Mitsuo Niinomi; Masaaki Nakai; Yang Liu; Miaoyong Zhu

doi:10.4028/www.scientific.net/MSF.750.147

Comparison of mechanical properties of a biomedical β Titanium alloy added with pure rare earth and rare earth oxides

Xiu Song, Lei Wang, Mitsuo Niinomi, Masaaki Nakai, Yang Liu, Miaoyong Zhu

Materials Development Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

The microstructures and mechanical properties of the TNTZ added with Y or Y₂O₃ have been investigated. The results indicate that TNTZ added with Y or ₂O₃ are found to be composed of β phase and the small amount of ₂O₃. The grain size of TNTZ added with Y or ₂O₃ is smaller than that of TNTZ. The Young's modulus of TNTZ added with Y or ₂O₃ are maintained at a low level, and Young's modulus of TNTZ added with Y is smaller than that of TNTZ added with ₂O₃. The mechanical properties are both improved by adding Y or ₂O₃, while the tensile strength of TNTZ added with ₂O₃ is slightly higher than that of TNTZ added with Y. The high cycle fatigue limit of the alloys added with Y or ₂O₃ are similar, while the low cycle fatigue strength of TNTZ added with Y is higher than that of TNTZ with ₂O₃. The improving of mechanical properties ascribes to the microstructure refinement and the pining effect of ₂O₃ particles. On the other hand, Y elements form ₂O₃ with the oxygen elements in the matrix, thus lead to the weakening of the oxygen solution effect.

Original language	English
Title of host publication	Advanced Materials Science and Technology
Publisher	Trans Tech Publications Ltd
Pages	147-151
Number of pages	5
ISBN (Print)	9783037856604
DOIs	https://doi.org/10.4028/www.scientific.net/MSF.750.147
Publication status	Published - 2013
Event	8th International Forum on Advanced Materials Science and Technology, IFAMST 2012 - Fukuoka City, Japan Duration: 2012 Aug 1 → 2012 Aug 4

Publication series

Name	Materials Science Forum
Volume	750
ISSN (Print)	0255-5476
ISSN (Electronic)	1662-9752

Other

Other	8th International Forum on Advanced Materials Science and Technology, IFAMST 2012
Country	Japan
City	Fukuoka City
Period	12/8/1 → 12/8/4

Keywords

Biomaterial
Fatigue strength
Pure rare earth
Rare earth oxide
Β-type titanium alloy

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Song, X., Wang, L., Niinomi, M., Nakai, M., Liu, Y., & Zhu, M. (2013). Comparison of mechanical properties of a biomedical β Titanium alloy added with pure rare earth and rare earth oxides. In Advanced Materials Science and Technology (pp. 147-151). (Materials Science Forum; Vol. 750). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/MSF.750.147

Comparison of mechanical properties of a biomedical β Titanium alloy added with pure rare earth and rare earth oxides. / Song, Xiu; Wang, Lei; Niinomi, Mitsuo; Nakai, Masaaki; Liu, Yang; Zhu, Miaoyong.

Advanced Materials Science and Technology. Trans Tech Publications Ltd, 2013. p. 147-151 (Materials Science Forum; Vol. 750).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Song, X, Wang, L, Niinomi, M, Nakai, M, Liu, Y & Zhu, M 2013, Comparison of mechanical properties of a biomedical β Titanium alloy added with pure rare earth and rare earth oxides. in Advanced Materials Science and Technology. Materials Science Forum, vol. 750, Trans Tech Publications Ltd, pp. 147-151, 8th International Forum on Advanced Materials Science and Technology, IFAMST 2012, Fukuoka City, Japan, 12/8/1. https://doi.org/10.4028/www.scientific.net/MSF.750.147

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title = "Comparison of mechanical properties of a biomedical β Titanium alloy added with pure rare earth and rare earth oxides",

abstract = "The microstructures and mechanical properties of the TNTZ added with Y or Y2O3 have been investigated. The results indicate that TNTZ added with Y or 2O3 are found to be composed of β phase and the small amount of 2O3. The grain size of TNTZ added with Y or 2O3 is smaller than that of TNTZ. The Young's modulus of TNTZ added with Y or 2O3 are maintained at a low level, and Young's modulus of TNTZ added with Y is smaller than that of TNTZ added with 2O3. The mechanical properties are both improved by adding Y or 2O3, while the tensile strength of TNTZ added with 2O3 is slightly higher than that of TNTZ added with Y. The high cycle fatigue limit of the alloys added with Y or 2O3 are similar, while the low cycle fatigue strength of TNTZ added with Y is higher than that of TNTZ with 2O3. The improving of mechanical properties ascribes to the microstructure refinement and the pining effect of 2O3 particles. On the other hand, Y elements form 2O3 with the oxygen elements in the matrix, thus lead to the weakening of the oxygen solution effect.",

keywords = "Biomaterial, Fatigue strength, Pure rare earth, Rare earth oxide, Β-type titanium alloy",

author = "Xiu Song and Lei Wang and Mitsuo Niinomi and Masaaki Nakai and Yang Liu and Miaoyong Zhu",

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N2 - The microstructures and mechanical properties of the TNTZ added with Y or Y2O3 have been investigated. The results indicate that TNTZ added with Y or 2O3 are found to be composed of β phase and the small amount of 2O3. The grain size of TNTZ added with Y or 2O3 is smaller than that of TNTZ. The Young's modulus of TNTZ added with Y or 2O3 are maintained at a low level, and Young's modulus of TNTZ added with Y is smaller than that of TNTZ added with 2O3. The mechanical properties are both improved by adding Y or 2O3, while the tensile strength of TNTZ added with 2O3 is slightly higher than that of TNTZ added with Y. The high cycle fatigue limit of the alloys added with Y or 2O3 are similar, while the low cycle fatigue strength of TNTZ added with Y is higher than that of TNTZ with 2O3. The improving of mechanical properties ascribes to the microstructure refinement and the pining effect of 2O3 particles. On the other hand, Y elements form 2O3 with the oxygen elements in the matrix, thus lead to the weakening of the oxygen solution effect.

AB - The microstructures and mechanical properties of the TNTZ added with Y or Y2O3 have been investigated. The results indicate that TNTZ added with Y or 2O3 are found to be composed of β phase and the small amount of 2O3. The grain size of TNTZ added with Y or 2O3 is smaller than that of TNTZ. The Young's modulus of TNTZ added with Y or 2O3 are maintained at a low level, and Young's modulus of TNTZ added with Y is smaller than that of TNTZ added with 2O3. The mechanical properties are both improved by adding Y or 2O3, while the tensile strength of TNTZ added with 2O3 is slightly higher than that of TNTZ added with Y. The high cycle fatigue limit of the alloys added with Y or 2O3 are similar, while the low cycle fatigue strength of TNTZ added with Y is higher than that of TNTZ with 2O3. The improving of mechanical properties ascribes to the microstructure refinement and the pining effect of 2O3 particles. On the other hand, Y elements form 2O3 with the oxygen elements in the matrix, thus lead to the weakening of the oxygen solution effect.

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