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dc.contributor.authorPranevičius, Liudas-
dc.contributor.authorMilčius, Darius-
dc.contributor.authorAbrasonis, Gintautas-
dc.contributor.authorNomgaudytė, Jurgita-
dc.contributor.authorPranevičius, Liudvikas-
dc.contributor.authorTemplier, Claude-
dc.contributor.authorRiviere, Jean Paul-
dc.description.abstractThe effectiveness of the austenitic stainless steel nitriding can be significantly increased using an ultra high atomic nitrogen flux produced by a plasma torch at atmospheric pressure. It is shown, employing Glow Discharge Optical Spectroscopy (GDOS) profiling technique and cross-sectional Scanning Electron Microscope (SEM) analysis that an efficient nitriding proceeds at temperature above 350-400oC. The thickness of the nitrided layer is up to 150-200 um after 25 min of processing. The possible nitriding mechanism is proposed with the emphasis on the interaction between the free surfaces, grain boundaries and bulk. The high-flux external irradiation increases the surface chemical potential and creates the compressive stress in the near surface layer. Stress relaxation initiates inelastic processes in grains, mainly dislocation glide, and related mass-transport of matrix atoms including nitrogen, supplied through the grain (subgrain) boundaries of crystallites and dislocationen
dc.description.sponsorshipLietuvos energetikos institutas-
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.format.extentp. 299-306-
dc.relation.ispartofHigh temperature material processes. Redding : Begell House Inc, 2004, Vol. 7-
dc.relation.isreferencedbyScience Citation Index Expanded (Web of Science)-
dc.relation.isreferencedbyChemical Abstracts (CAplus)-
dc.subjectPlasma nitridingen
dc.subjectStainless steelen
dc.subjectNitriding mechanismen
dc.subject.classificationStraipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)-
dc.subject.otherFizika / Physics (N002)-
dc.titleNitridation of austenitic stainless steel in a nitrogen plasmaen
dc.typeresearch article-
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item.fulltextNo Fulltext-
item.grantfulltextnone- katedra- katedra- Didžiojo universitetas- Didžiojo universitetas- Didžiojo universitetas-
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications
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