Cathodic Cage Plasma Nitriding of Ti6Al4V Alloy

Maciej Ossowski , Tomasz Borowski , Michał Tarnowski , Tadeusz Wierzchoń

Abstract

Glow discharge nitriding is being used increasingly more often for modifying the properties of titanium and its alloys with the aim to increase their frictional wear resistance, fatigue strength, and, in the case of medical applications, to eliminate the metallosis effect. Unlike PVD methods, ion nitriding ensures the formation of diffusive layers with very good adhesion to the substrate, but which still have some disadvanteges such as the “edge effect” or “hollow cathode effect” which hinders treatment of complex workpieces. The paper compares nitrided layers produced on Ti6Al4V alloy using two different types of nitriding processes. The first process is conventional dc plasma nitriding (DCPN) where the samples were placed at the cathode potential, while the second one is a new method of cathodic cage plasma nitriding (CCPN) process, where the substrate is insulated from the cathode and anode. The experiments have shown that the treatment conducted in a cathodic cage can be alternative for conventional ion nitriding, especially when used for small parts with complicated shapes used in the space or medical industry.
Author Maciej Ossowski (FMSE / DSE)
Maciej Ossowski,,
- Division of Surface Engineering
, Tomasz Borowski (FMSE / DSE)
Tomasz Borowski,,
- Division of Surface Engineering
, Michał Tarnowski (FMSE / DSE)
Michał Tarnowski,,
- Division of Surface Engineering
, Tadeusz Wierzchoń (FMSE / DSE)
Tadeusz Wierzchoń,,
- Division of Surface Engineering
Journal seriesMaterials Science-Medziagotyra, ISSN 1392-1320
Issue year2016
Vol22
No1
Pages25-30
Publication size in sheets0.5
Keywords in EnglishTitanium alloys; ion nitriding; surface engineering; wear resistance; space mechanisms; medical implant;
ASJC Classification2500 General Materials Science
DOIDOI:10.5755/j01.ms.22.1.7343
URL http://matsc.ktu.lt/index.php/MatSc/article/view/7343
Languageen angielski
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Cathodic cage plasma nitriding of Ti6Al4V alloy.pdf 866.55 KB
Score (nominal)15
Score sourcejournalList
ScoreMinisterial score = 15.0, 31-01-2020, ArticleFromJournal
Ministerial score (2013-2016) = 15.0, 31-01-2020, ArticleFromJournal
Publication indicators WoS Citations = 6; Scopus Citations = 7; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 0.377; WoS Impact Factor: 2016 = 0.393 (2) - 2016=0.594 (5)
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