The processing of pure titanium through multiple passes of ECAP at room temperature
The processing of pure titanium through multiple passes of ECAP at room temperature
Commercial purity titanium was processed through up to 8 passes by equal-channel angular pressing (ECAP) at room temperature using a die with a channel angle of 120°. The billets showed no evidence for any surface damage after ECAP. This processing reduced the grain size from 23 ?m in the unprocessed condition to 200 nm after 6 or 8 passes. It also increased the yield strength and the ultimate tensile strength and increased the elongation to failure by comparison with CP Ti processed by ECAP at an elevated temperature. The results demonstrate the advantage of processing CP Ti by ECAP at room temperature.
equal-channel angular pressing, microstructure, strength, titanium, ultrafine grains
6335-6339
Zhao, Xicheng
d17c4b44-27af-4384-9f37-b501509b0b26
Yang, Xirong
dfc64746-740d-401f-aad0-5189250434b4
Liu, Xiiaoyan
6bbd2a49-ef56-4ace-b3ea-9327a4ff1aba
Wang, Xingyun
188fad6b-84b1-4de6-b1b9-dc8168346035
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
15 September 2010
Zhao, Xicheng
d17c4b44-27af-4384-9f37-b501509b0b26
Yang, Xirong
dfc64746-740d-401f-aad0-5189250434b4
Liu, Xiiaoyan
6bbd2a49-ef56-4ace-b3ea-9327a4ff1aba
Wang, Xingyun
188fad6b-84b1-4de6-b1b9-dc8168346035
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhao, Xicheng, Yang, Xirong, Liu, Xiiaoyan, Wang, Xingyun and Langdon, Terence G.
(2010)
The processing of pure titanium through multiple passes of ECAP at room temperature.
Materials Science and Engineering: A, 527 (23), .
(doi:10.1016/j.msea.2010.06.049).
Abstract
Commercial purity titanium was processed through up to 8 passes by equal-channel angular pressing (ECAP) at room temperature using a die with a channel angle of 120°. The billets showed no evidence for any surface damage after ECAP. This processing reduced the grain size from 23 ?m in the unprocessed condition to 200 nm after 6 or 8 passes. It also increased the yield strength and the ultimate tensile strength and increased the elongation to failure by comparison with CP Ti processed by ECAP at an elevated temperature. The results demonstrate the advantage of processing CP Ti by ECAP at room temperature.
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Published date: 15 September 2010
Keywords:
equal-channel angular pressing, microstructure, strength, titanium, ultrafine grains
Organisations:
Engineering Mats & Surface Engineerg Gp
Identifiers
Local EPrints ID: 170719
URI: http://eprints.soton.ac.uk/id/eprint/170719
ISSN: 0921-5093
PURE UUID: f39afa59-6812-49c6-ac18-28dad2a47880
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Date deposited: 10 Jan 2011 14:39
Last modified: 14 Mar 2024 02:47
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Contributors
Author:
Xicheng Zhao
Author:
Xirong Yang
Author:
Xiiaoyan Liu
Author:
Xingyun Wang
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