Journal
SURFACE & COATINGS TECHNOLOGY
Volume 205, Issue 2, Pages 388-395Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2010.06.062
Keywords
S-phase; Expanded austenite; Nickel free austenitic stainless steel; Plasma carburising; Fretting-wear; Corrosion-wear
Funding
- EPSRC, UK [EP/C53606/1, EP/F006926/1]
- University of Malta
- University of Birmingham
- Natural Science Foundation of China [50625515]
- Royal Society under the China UK Science Networks Scheme
- Engineering and Physical Sciences Research Council [EP/F006926/1] Funding Source: researchfish
- EPSRC [EP/F006926/1] Funding Source: UKRI
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Based on the success of the feasibility study reported, the surface properties of low-temperature plasma carburised P558 Ni-free medical grade (ASTM F2581) austenitic stainless steel have been fully evaluated in terms of electrochemical corrosion, dry- and corrosion-wear and fretting-wear in Ringer's solution Anodic polarization tests demonstrated that the precipitate-free S-phase generated by low-temperature plasma carburising at 500 degrees C for 15 h can retain the good corrosion resistance of the untreated ASTM F2581 NI-Free material in Ringer's solution. The wear resistance of the NI-free austenitic stainless steel can be improved by 700% and 140% when reciprocating against a WC ball in air (dry-wear) and in Ringer's solution (corrosion-wear) respectively In addition, the low-temperature plasma carburising treatment can considerably reduce the friction coefficient and improve the fretting-wear resistance of the Ni-free austenitic stainless steel in Ringer's solution (C) 2010 Elsevier B.V. All rights reserved
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