Influence of Alloying Elements on Corrosion Resistance of Some Iron - Based Sintered P/M Alloys
Keywords:
alloying elements, powder metallurgy, sintering, corrosion resistance
Abstract
In this paper is described the influence of alloying elements on corrosion behavior of sintered iron parts. The compacts were sintered at 1,150 °C and the sintering time was 60 minutes. After microstructural studies, the electrochemical tests were carried out. The corrosion behavior of samples was evaluated using potentiodinamic polarization technique in 3.5% NaCl solution. Different parameters like icorr, cathodic (βc) and anodic (βa) slopes derived after the extrapolation of the Tafel plots were obtained. The results reveal that the alloying elements can improve significantly corrosion resistance of iron based sintered P/M alloys.
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References
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[2]. Engstrom U., Lindberg C., Tengzelius J., Powders and processes for high performance PM steels, Powder Metallurgy, vol. 35, No. 1, p. 67-73, 1992.
[3]. Deng X., Piotrowski G., Chawla N., Narasimhan K., Effect of pore clustering on the mechanical behavior of powder metallurgy (P/M) steels, P/M Sci Technol Briefs, vol. 6, p. 5-10, 2004.
[4]. Christian K., German R., Relation between pore structure and fatigue behavior in sintered iron-copper-carbon, Int. J. Powder Metall, vol. 31, p. 51-61, 1995.
[5]. Beiss P., Dalgic M., Structure property relationships in porous sintered steels, Materials Chemistry and Physics, volume 67, issues 1-3, p. 37-42, 2001.
[6]. Kandavel T. K., Chandramouli R., Karthikeyan P., Influence of alloying elements and density on aqueous corrosion behaviour of some sintered low alloy steels, Materials and Design, vol. 40, p. 336-342, 2012.
[7]. Fleck N. A., Smith A., Effect of Density on Tensile Strength, Fracture Toughness, and Fatigue Crack Propagation Behaviour of Sintered Steel, Powder Metallurgy, vol. 24(3), p. 121-125, 2013.
[8]. Wu M. W., Tsao L. C., Shu G. J., Lin B. H., The effects of alloying elements and microstructure on the impact toughness of powder metal steels, Materials Science and Engineering: A 538, p. 135-144.
[9]. Maheswari N., Ghosh Chowdhury S., Hari Kumar K. C., Sankaran S., Influence of alloying elements on the microstructure evolution and mechanical properties in quenched and partitioned steels, Materials Science and Engineering: A; 600, p.12-20, 2014.
[10]. Wang W. F., Effect of alloying elements and processing factors on the microstructure and hardness of sintered and induction-hardened Fe-C-Cu alloys, Materials Science and Engineering A, vol. 402, p. 92-97, 2005.
[11]. Angel W. D., Tellez L., Alcal J. F., Martinez E., Cedeno V. F., Effect of copper on the mechanical properties of alloys formed by powder metallurgy, Materials and Design, vol. 58, p. 12-18, 2014.
[12]. Boiciuc S., Alexandru P., Research on the influence of the complementary phase percentage on the properties of copper - based composites, The Annals of “Dunarea de Jos” University of Galati. Fascicle IX. Metallurgy and Materials Science, No. 3, p. 71-78, ISSN 1453-083X, 2014.
[13]. Hong J. H., Lee S. H., Kim J. G., Yoon J. B., Corrosion behavior of copper containing low alloy steels in sulphuric acid, Corrosion Science, vol. 54, p. 174-182, 2012.
[14]. Trivedi S., Mehta Y., Chandra K, Mishra P. S., Effect of carbon on the mechanical properties of powder-processed Fe–0·45 wt% P alloys, Indian Academy of Sciences, Vol. 35, Part 4, p. 481-492, 2010.
[15]. Gething B. A., Heaney D. F., Koss D. A., Mueller T. J., The effect of nickel on the mechanical behavior of molybdenum P/M steels, Materials Science and Engineering A, vol. 390, p. 19-26, 2005.
[16]. Sulowski M., Structure and mechanical properties of sintered Ni free structural parts, Powder Metallurgy, Vol. 53, No. 2, p. 125-140, 2010.
[17]. Chawla N., Deng X., Microstructure and mechanical behavior of porous sintered steels, Materials Science and Engineering A, vol. .390, p. 98-112, 2005.
[18]. Marin M., Potecasu F., Drugescu E., Potecasu O., Alexandru P., The influence of steam treatment on mechanical properties and abrasive wear behavior of sintered P/M steels, The Annals of “Dunarea de Jos” University of Galati. Fascicle IX. Metallurgy and Materials Science, No. 2, 2012, p. 25-29, ISSN 1453-083X.
[19]. Marin M., Drugescu E., Potecaşu O., Potecaşu F., Cordeiro R. S., Study of corrosion behavior for steam treated sintered iron powder, Metalurgia International, No. 12, p. 95-100, 2010.
[20]. Istrate G., Alexandru P., Mitoseriu O., Marin M., Morphology of nickel matrix composite coatings with nano-silicon dispersion phase, The Annals of “Dunarea de Jos” University of Galati. Fascicle IX. Metallurgy and Materials Science, No. 3, p. 38-41, ISSN 1453-083X, 2011.
[21]. Hong J. H., Lee S. H., Kim J. G., Yoon J. B., Corrosion behavior of copper containing low alloy steels in sulphuric acid, Corrosion Science, vol. 54, p. 174-182, 2012.
[22]. Fachikov L., Ionova D., Tzaneva B., Corrosion of lowcarbon steels in aqueous solutions of ammonium sulfate mineral fertilizer, Journal of the University of Chemical Technology and Metallurgy, vol. 41, 1, p. 21-24, 2006.
Published
2015-03-15
How to Cite
1.
POTECAŞU F, MARIN M, POTECAŞU O, RADU T, ISTRATE G. Influence of Alloying Elements on Corrosion Resistance of Some Iron - Based Sintered P/M Alloys. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Mar.2015 [cited 24Dec.2024];38(1):15-8. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/1366
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