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has been cited by the following article:

• TITLE: Effect of Nitriding Current Density on the Surface Properties and Crystallite Size of Pulsed Plasma-Nitrided AISI 316L

  AUTHORS: J. C. Díaz-Guillén, E. E. Granda-Gutiérrez, G. Vargas-Gutiérrez, M. R. Díaz-Guillén, J. A. Aguilar-Martínez, L. Álvarez-Contreras

  KEYWORDS: Plasma Nitriding, Strain, Crystallite Size, Hardness, Wear, Stainless

  JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.3 No.1, January 20, 2015

  ABSTRACT: In this work, plasma-nitrided AISI 316L stainless steel samples were performed by ion nitriding process under pulsed direct current (DC) discharge at different current densities (1 to 2.5 mA/ cm2). The effect of nitriding current density on the size of crystalline coherently diffracting domains (crystallite size) and strain grade was investigated using X-ray diffraction (XRD) coupled with Williamson-Hall method. Additionally, hardness and wear resistance of the nitriding layer were characterized using a Vickers indenter and pin-on-disk technique respectively. Results showed a decrease in crystallite size from 99 nm for untreated samples to 1.4 nm for samples nitrided at 2.5 mA/cm2 promoted both: an increase in hardness from 226 HV25g to 1245 HV25g, and a considerably decrease in volume loss by wear effect.