High-strength ultrafine-grained titanium 99.99 manufactured by large strain plastic working
Authors:
- Krzysztof Topolski,
- Bogusława Adamczyk-Cieślak,
- Halina Garbacz
Abstract
In this research, high-purity titanium (hp-Ti, 99.99 wt%) was subjected to a large strain via a cold plastic working process. To accumulate a relatively large plastic deformation in the workpiece, the hydrostatic extrusion (HE) technique was applied. The initial rod with a diameter of ∅50 mm was subjected to a multi-pass extrusion process, and, this way, rods with a diameter of ∅8 mm and ∅7 mm were obtained. In this paper, the results of an investigation of the structure and mechanical properties of the hp-Ti are presented. The size and shape of the grains of the as-received and extruded samples were examined, and an effective way of refining grain and strengthening hp-Ti using plastic working was demonstrated. Thanks to the process applied, an ultrafine-grained structure was obtained. In the transverse section, the average grain size determined by transmission electron microscopy was 117 nm on average. As a result of the extrusion, a significant increase in yield stress, tensile strength and microhardness was observed. Moreover, in this paper the overall potential of the HE technique was demonstrated. The results of this work confirm that it is possible to manufacture high-strength, ultrafine-grained high-purity titanium via cold plastic working.
- Record ID
- WUT6ab8510a651f46b49407571c63b34579
- Author
- Journal series
- Journal of Materials Science, ISSN 0022-2461, e-ISSN 1573-4803, [1573-4803 ]
- Issue year
- 2020
- Vol
- 55
- No
- 11
- Pages
- 4910-4925
- Publication size in sheets
- 0.75
- ASJC Classification
- ; ;
- DOI
- DOI:10.1007/s10853-019-04291-0 Opening in a new tab
- URL
- https://www.scopus.com/record/display.uri?eid=2-s2.0-85076742158&origin=resultslist&sort=plf-f&src=s&sid=d626262acab66a3377bf00b2c1654025&sot=autdocs&sdt=autdocs&sl=18&s=AU-ID%2856734389300%29&relpos=0&citeCnt=0&searchTerm= Opening in a new tab
- Language
- (en) English
- File
-
- File: 1
- Topolski2019_High-strength ultrafine-grained titanium 99.99.pdf
-
- Score (nominal)
- 100
- Score source
- journalList
- Score
- = 100.0, 16-05-2022, ArticleFromJournal
- Publication indicators
- = 2; = 1; : 2018 = 1.065; : 2020 (2 years) = 4.220 - 2020 (5 years) =3.690
- Uniform Resource Identifier
- https://repo.pw.edu.pl/info/article/WUT6ab8510a651f46b49407571c63b34579/
- URN
urn:pw-repo:WUT6ab8510a651f46b49407571c63b34579
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or PerishOpening in a new tab system.