Tribology testing of ultrafine-grained Ti processed by high pressure torsion with subsequent coating
Tribology testing of ultrafine-grained Ti processed by high pressure torsion with subsequent coating
A grade 2 pure Ti was processed by high-pressure torsion (HPT) under 3.0 GPa for 10 revolutions to achieve an improved strength. Wear tests revealed that HPT only slightly improved the wear resistance of pure Ti. Subsequently, a TiN coating with a thickness of 2.5 ?m was deposited on different Ti substrates to improve the wear resistance. Both indentation and scratch testing demonstrated a much improved load-bearing capacity when ultrafine-grained Ti was chosen as the substrate compared with coarse-grained Ti. All results indicate that pure Ti processed by HPT, when combined with a subsequent coating, represents a good candidate material for bio-implant applications.
4742-4748
Wang, Chuan Ting
80ad9adf-a9df-49ed-934d-fa64505b920d
Gao, Nong
9c1370f7-f4a9-4109-8a3a-4089b3baec21
Gee, Mark G
1925d026-bbab-4b30-b52b-1d8e29e34f70
Wood, Robert J.K.
d9523d31-41a8-459a-8831-70e29ffe8a73
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
24 June 2013
Wang, Chuan Ting
80ad9adf-a9df-49ed-934d-fa64505b920d
Gao, Nong
9c1370f7-f4a9-4109-8a3a-4089b3baec21
Gee, Mark G
1925d026-bbab-4b30-b52b-1d8e29e34f70
Wood, Robert J.K.
d9523d31-41a8-459a-8831-70e29ffe8a73
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Wang, Chuan Ting, Gao, Nong, Gee, Mark G, Wood, Robert J.K. and Langdon, Terence G.
(2013)
Tribology testing of ultrafine-grained Ti processed by high pressure torsion with subsequent coating.
Journal of Materials Science, 48, .
(doi:10.1007/s10853-012-7110-y).
Abstract
A grade 2 pure Ti was processed by high-pressure torsion (HPT) under 3.0 GPa for 10 revolutions to achieve an improved strength. Wear tests revealed that HPT only slightly improved the wear resistance of pure Ti. Subsequently, a TiN coating with a thickness of 2.5 ?m was deposited on different Ti substrates to improve the wear resistance. Both indentation and scratch testing demonstrated a much improved load-bearing capacity when ultrafine-grained Ti was chosen as the substrate compared with coarse-grained Ti. All results indicate that pure Ti processed by HPT, when combined with a subsequent coating, represents a good candidate material for bio-implant applications.
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Accepted/In Press date: 20 December 2012
e-pub ahead of print date: 4 January 2013
Published date: 24 June 2013
Organisations:
nCATS Group
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Local EPrints ID: 346465
URI: http://eprints.soton.ac.uk/id/eprint/346465
ISSN: 0022-2461
PURE UUID: 90c5700f-7b2b-4647-807a-cd25316cd9e0
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Date deposited: 08 Jan 2013 15:38
Last modified: 15 Mar 2024 03:13
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Author:
Chuan Ting Wang
Author:
Mark G Gee
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