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Information Journal Paper

Title

STUDY OF EFFECTIVE PARAMETERS ON CORROSION RESISTANCE OF PLASMA ELECTROLYTIC NITROCARBURISED 316L AUESTENITIC STAINLESS STEEL

Pages

  67-73

Keywords

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Abstract

 A number of studies have been carried out on the use of plasma electrolytic nitrocarburising technology for the surface hardening of stainless steels for better corrosion resistance resulting from this technique. However, very few have focused on the optimization of the plasma electrolytic nitrocarburising process parameters. In this study, a design of experiment (DOE) technique, the Taguchi method, has been used to optimize the plasma electrolytic nitrocarburising, not only for surface hardening, but, also, for the corrosion protection of 316L austenitic stainless steel, by controlling the coating process's factors. The experimental design consisted of four factors; (Carbamide concentration, electrical conductivity of electrolyte, voltage and duration of process), with three levels of each factor. Potentiodynamic polarization measurements were conducted to determine the corrosion resistance of the coated samples and the results analyzed with related software. An analysis of the mean of signal-to-noise (S/N) ratio indicates that the corrosion resistance of plasma electrolytic nitrocar burised 316L stainless steel is influenced, significantly, by the levels in the Taguchi orthogonal array. The optimized coating parameters for corrosion resistance are 1150 g/l for carbamide concentration, 360 mS/Cm for electrical conductivity of the electrolyte, 260 Volts for applied voltage and 6 minutes for treatment time. The percentage contribution of each factor is determined by the analysis of variance (ANOVA). The results show that the applied voltage is the most significant factor affecting the corrosion resistance of the coatings.

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    APA: Copy

    ALIOFKHAZRAEI, M., TAHERI, P., SABOUR ROUHAGHDAM, A.R., & DEHGHANIAN, CH.. (2007). STUDY OF EFFECTIVE PARAMETERS ON CORROSION RESISTANCE OF PLASMA ELECTROLYTIC NITROCARBURISED 316L AUESTENITIC STAINLESS STEEL. INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING), 23(39), 67-73. SID. https://sid.ir/paper/107720/en

    Vancouver: Copy

    ALIOFKHAZRAEI M., TAHERI P., SABOUR ROUHAGHDAM A.R., DEHGHANIAN CH.. STUDY OF EFFECTIVE PARAMETERS ON CORROSION RESISTANCE OF PLASMA ELECTROLYTIC NITROCARBURISED 316L AUESTENITIC STAINLESS STEEL. INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING)[Internet]. 2007;23(39):67-73. Available from: https://sid.ir/paper/107720/en

    IEEE: Copy

    M. ALIOFKHAZRAEI, P. TAHERI, A.R. SABOUR ROUHAGHDAM, and CH. DEHGHANIAN, “STUDY OF EFFECTIVE PARAMETERS ON CORROSION RESISTANCE OF PLASMA ELECTROLYTIC NITROCARBURISED 316L AUESTENITIC STAINLESS STEEL,” INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING), vol. 23, no. 39, pp. 67–73, 2007, [Online]. Available: https://sid.ir/paper/107720/en

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