TY - GEN
T1 - Comparison of mechanical properties of a biomedical β Titanium alloy added with pure rare earth and rare earth oxides
AU - Song, Xiu
AU - Wang, Lei
AU - Niinomi, Mitsuo
AU - Nakai, Masaaki
AU - Liu, Yang
AU - Zhu, Miaoyong
N1 - Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2013
Y1 - 2013
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.
KW - Biomaterial
KW - Fatigue strength
KW - Pure rare earth
KW - Rare earth oxide
KW - Β-type titanium alloy
UR - http://www.scopus.com/inward/record.url?scp=84875830358&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84875830358&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/MSF.750.147
DO - 10.4028/www.scientific.net/MSF.750.147
M3 - Conference contribution
AN - SCOPUS:84875830358
SN - 9783037856604
T3 - Materials Science Forum
SP - 147
EP - 151
BT - Advanced Materials Science and Technology
PB - Trans Tech Publications Ltd
T2 - 8th International Forum on Advanced Materials Science and Technology, IFAMST 2012
Y2 - 1 August 2012 through 4 August 2012
ER -