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Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy. / Polyakova, V.V.; Anumalasetty, V.N.; Semenova, I.P.; Valiev, R.Z.

Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy. 2014.

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

Harvard

Polyakova, VV, Anumalasetty, VN, Semenova, IP & Valiev, RZ 2014, Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy. in Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy. https://doi.org/10.1088/1757-899X/63/1/012162

APA

Polyakova, V. V., Anumalasetty, V. N., Semenova, I. P., & Valiev, R. Z. (2014). Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy. In Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy https://doi.org/10.1088/1757-899X/63/1/012162

Vancouver

Polyakova VV, Anumalasetty VN, Semenova IP, Valiev RZ. Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy. In Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy. 2014 https://doi.org/10.1088/1757-899X/63/1/012162

Author

Polyakova, V.V. ; Anumalasetty, V.N. ; Semenova, I.P. ; Valiev, R.Z. / Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy. Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy. 2014.

BibTeX

@inproceedings{169131cbe2a64ef085e1dc3c321731f6,
title = "Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy",
abstract = "Ultrafine-grained (UFG) Ti alloys have potential applications in osteosynthesis and orthopedics due to high bio-compatibility and increased weight-to- strength ratio. In current study, Ti6Al7Nb ELI alloy is processed through equal channel angular pressing-conform (ECAP-Conform) and subsequent thermomechanical processing to generate a UFG microstructure. The fatigue properties of UFG alloys are compared to coarse grained (CG) alloys. Our study demonstrates that the UFG alloys with an average grain size of ∼180 nm showed 35% enhancement of fatigue endurance limit as compared to coarse-grained alloys. On the fracture surfaces of the UFG and CG samples fatigue striations and dimpled relief were observed. However, the fracture surface of the UFG sample looks smoother; fewer amounts of secondary micro-cracks and more ductile rupture were also observed, which testifies to the good crack resistance in the UFG alloy after high-cyclic fatigue tests. {\textcopyright} Published under licence by IOP Publishing Ltd.",
author = "V.V. Polyakova and V.N. Anumalasetty and I.P. Semenova and R.Z. Valiev",
year = "2014",
doi = "10.1088/1757-899X/63/1/012162",
language = "English",
booktitle = "Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy",

}

RIS

TY - GEN

T1 - Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy

AU - Polyakova, V.V.

AU - Anumalasetty, V.N.

AU - Semenova, I.P.

AU - Valiev, R.Z.

PY - 2014

Y1 - 2014

N2 - Ultrafine-grained (UFG) Ti alloys have potential applications in osteosynthesis and orthopedics due to high bio-compatibility and increased weight-to- strength ratio. In current study, Ti6Al7Nb ELI alloy is processed through equal channel angular pressing-conform (ECAP-Conform) and subsequent thermomechanical processing to generate a UFG microstructure. The fatigue properties of UFG alloys are compared to coarse grained (CG) alloys. Our study demonstrates that the UFG alloys with an average grain size of ∼180 nm showed 35% enhancement of fatigue endurance limit as compared to coarse-grained alloys. On the fracture surfaces of the UFG and CG samples fatigue striations and dimpled relief were observed. However, the fracture surface of the UFG sample looks smoother; fewer amounts of secondary micro-cracks and more ductile rupture were also observed, which testifies to the good crack resistance in the UFG alloy after high-cyclic fatigue tests. © Published under licence by IOP Publishing Ltd.

AB - Ultrafine-grained (UFG) Ti alloys have potential applications in osteosynthesis and orthopedics due to high bio-compatibility and increased weight-to- strength ratio. In current study, Ti6Al7Nb ELI alloy is processed through equal channel angular pressing-conform (ECAP-Conform) and subsequent thermomechanical processing to generate a UFG microstructure. The fatigue properties of UFG alloys are compared to coarse grained (CG) alloys. Our study demonstrates that the UFG alloys with an average grain size of ∼180 nm showed 35% enhancement of fatigue endurance limit as compared to coarse-grained alloys. On the fracture surfaces of the UFG and CG samples fatigue striations and dimpled relief were observed. However, the fracture surface of the UFG sample looks smoother; fewer amounts of secondary micro-cracks and more ductile rupture were also observed, which testifies to the good crack resistance in the UFG alloy after high-cyclic fatigue tests. © Published under licence by IOP Publishing Ltd.

U2 - 10.1088/1757-899X/63/1/012162

DO - 10.1088/1757-899X/63/1/012162

M3 - Conference contribution

BT - Influence of UFG structure formation on mechanical and fatigue properties in Ti-6Al-7Nb alloy

ER -

ID: 7038161