Microstructural Evolution and Mechanical Properties of Ultrafine-Grained Ti Fabricated by Cryorolling and Subsequent Annealing

Yu, Hailiang1,2,3; Wang, Lin1,2,3; Yan, Ming4; Gu, Hao1,2,3; Zhao, Xing1,2,3; Kong, Charlie5; Wang, Yu5; Pesin, Alexander6; Zhilyaev, Alexander P.6; Langdon, Terence G.7

2020-06-22

10.1002/adem.201901463

ADVANCED ENGINEERING MATERIALS   影响因子和分区

1438-1656

1527-2648

Ultrafine-grained (UFG) commercial purity titanium (CP Ti) has a significant potential for use in medical implants and aerospace structural parts. Herein, UFG CP Ti sheets are processed by cryorolling and room-temperature rolling (RTR), respectively, followed by annealing for 1 h at temperatures from 250 to 350 degrees C. The grain size is reduced from approximate to 75 mu m to approximate to 85 and approximate to 220 nm after cryorolling and RTR, respectively. The results show that the curves of tensile stress versus engineering failure strain for samples subjected to cryorolling and subsequent annealing are above those for samples subjected to RTR and subsequent annealing. In addition, the curves of ultimate tensile stress x fracture elongation versus grain size after cryorolling and annealing are above those for RTR and annealing. It is demonstrated that a combination of cryorolling and annealing leads to improved toughness compared with the processing by RTR and annealing.

annealing cryorolling mechanical properties microstructures titanium

SCI ; EI

英语

通讯

National Natural Science Foundation of China[51674303] ; Huxiang High-Level Talent Gathering Project of HUNAN Province[2018RS3015] ; Innovation Driven Program of Central South University[2019CX006] ; Ministry of Science and Higher Education of the Russia Federation[074-02-2018-329]

Materials Science

Materials Science, Multidisciplinary

WOS:000541554800001

WILEY-V C H VERLAG GMBH

20202708896214

Tensile stress ; Grain size and shape ; Titanium compounds ; Microstructural evolution ; Titanium

Heat Treatment Processes:537.1 ; Titanium and Alloys:542.3

MATERIALS SCIENCE

Web of Science

1.Cent South Univ, Light Alloy Res Inst, Changsha 410083, Peoples R China
2.Cent South Univ, State Key Lab High Performance Complex Mfg, Changsha 410083, Peoples R China
3.Cent South Univ, Coll Mech & Elect Engn, Changsha 410083, Peoples R China
4.South Univ Sci & Technol China, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
5.Univ New South Wales, Electron Microscope Unit, Sydney, NSW 2052, Australia
6.Nosov Magnitogorsk State Tech Univ, Lab Mech Gradient Nanomat, Magnitogorsk 455000, Russia
7.Univ Southampton, Dept Mech Engn, Mat Res Grp, Southampton SO17 1BJ, Hants, England

Yu, Hailiang,Wang, Lin,Yan, Ming,et al. Microstructural Evolution and Mechanical Properties of Ultrafine-Grained Ti Fabricated by Cryorolling and Subsequent Annealing[J]. ADVANCED ENGINEERING MATERIALS,2020,22.

Yu, Hailiang.,Wang, Lin.,Yan, Ming.,Gu, Hao.,Zhao, Xing.,...&Langdon, Terence G..(2020).Microstructural Evolution and Mechanical Properties of Ultrafine-Grained Ti Fabricated by Cryorolling and Subsequent Annealing.ADVANCED ENGINEERING MATERIALS,22.

Yu, Hailiang,et al."Microstructural Evolution and Mechanical Properties of Ultrafine-Grained Ti Fabricated by Cryorolling and Subsequent Annealing".ADVANCED ENGINEERING MATERIALS 22(2020).