Nitrogen enrichment of AISI 409 stainless steel by solution heat treatment after plasma nitriding
BERTON, E. M., das NEVES, J. C. K., MAFRA, M., BORGES, P. C.
vol. 55 (2017), no. 5, pp. 317 - 321
DOI: 10.4149/km_2017_5_317
Abstract
 This work presents a new treatment for ferritic stainless steels. The Solution Heat Treatment after Plasma Nitriding (SHTPN) of AISI 409 samples resulted in a nitrogen-rich martensitic layer, thicker than 600 μm, and with 500 HV (4.90 GPa) until 200 μm. Polarization curves prove that surface hardening has not compromised corrosion resistance. Key words
AISI 409 stainless steel, nitrogen enrichment, surface engineering, Solution Heat Treatment after Plasma Nitriding (SHTPN) ![[open article.pdf]](full_yes.gif) Full text (543 KB)
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