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Structure and mechanical properties of commercial purity titanium processed by ECAP at room temperature

Structure and mechanical properties of commercial purity titanium processed by ECAP at room temperature
Structure and mechanical properties of commercial purity titanium processed by ECAP at room temperature
Experiments were conducted on commercial purity titanium to evaluate the microstructure and mechanical
properties after processing by equal-channel angular pressing (ECAP) at room temperature. Samples
were successfully processed through 1 and 2 passes at two different pressing speeds using an ECAP
die with a channel angle of 135?. Following ECAP, a microstructural evaluation showed evidence for the occurrence of basal, prismatic and pyramidal slip together with {1 0¯1 2}? ¯10 1 1?twinning. Hardness measurements confirmed the occurrence of homogeneous strengthening throughout the samples. Tensile testing revealed a high ultimate tensile strength of ?750 MPa after 2 passes of ECAP but with a reduction in the measured elongation to failure.
equal-channel angular pressing, hardness, strength, titanium, twinning
0921-5093
7708-7714
Zhang, Yue
1dae6e6f-b4b3-4396-947c-e600b478da16
Figueiredo, Roberto B.
2e0060b8-6368-4d87-825a-c3cb90e92145
Alhajeri, Saleh N.
4d3f50b6-87ab-4690-87dd-bea08fb1c77f
Wang, Jing Tao
10285b03-ac4f-46d7-b8c9-7a4c0dad72d1
Gao, Nong
9c1370f7-f4a9-4109-8a3a-4089b3baec21
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhang, Yue
1dae6e6f-b4b3-4396-947c-e600b478da16
Figueiredo, Roberto B.
2e0060b8-6368-4d87-825a-c3cb90e92145
Alhajeri, Saleh N.
4d3f50b6-87ab-4690-87dd-bea08fb1c77f
Wang, Jing Tao
10285b03-ac4f-46d7-b8c9-7a4c0dad72d1
Gao, Nong
9c1370f7-f4a9-4109-8a3a-4089b3baec21
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Zhang, Yue, Figueiredo, Roberto B., Alhajeri, Saleh N., Wang, Jing Tao, Gao, Nong and Langdon, Terence G. (2011) Structure and mechanical properties of commercial purity titanium processed by ECAP at room temperature. Materials Science and Engineering: A, 528 (25-26), 7708-7714. (doi:10.1016/j.msea.2011.06.054).

Record type: Article

Abstract

Experiments were conducted on commercial purity titanium to evaluate the microstructure and mechanical
properties after processing by equal-channel angular pressing (ECAP) at room temperature. Samples
were successfully processed through 1 and 2 passes at two different pressing speeds using an ECAP
die with a channel angle of 135?. Following ECAP, a microstructural evaluation showed evidence for the occurrence of basal, prismatic and pyramidal slip together with {1 0¯1 2}? ¯10 1 1?twinning. Hardness measurements confirmed the occurrence of homogeneous strengthening throughout the samples. Tensile testing revealed a high ultimate tensile strength of ?750 MPa after 2 passes of ECAP but with a reduction in the measured elongation to failure.

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More information

Published date: 24 June 2011
Keywords: equal-channel angular pressing, hardness, strength, titanium, twinning
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 196025
URI: http://eprints.soton.ac.uk/id/eprint/196025
ISSN: 0921-5093
PURE UUID: 409c651c-11f8-4eef-aa4e-d113bd46ac6d
ORCID for Nong Gao: ORCID iD orcid.org/0000-0002-7430-0319
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 01 Sep 2011 10:20
Last modified: 15 Mar 2024 03:13

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Contributors

Author: Yue Zhang
Author: Roberto B. Figueiredo
Author: Saleh N. Alhajeri
Author: Jing Tao Wang
Author: Nong Gao ORCID iD

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