Copper Corrosion in Ultrasound Cavitation Field
Keywords:
cavitation, corrosion, mass loss, gravimetric index, mathematical model
Abstract
This article contains the results of the experiments concerning the mass loss of copper in seawater, in the cavitation presence. The cavitation is produced by ultrasound in an experimental setup designed for this purpose. The models of mass loss are provided and validated by statistical methods. Gravimetric indices are computed, to compare the mass loss in different cases. Differences are noticed in the mass-loss trend at different power of the ultrasound generator.
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References
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[19]. Bărbulescu, A. Dumitriu C. S., Models of the mass loss of some copper alloys, Chem. Bull. Politehnica University (Timişoara), vol. 52 (66), 1-2, p. 120-123, 2007.
[20]. Dumitriu C. Ș., Dragomir F., Modeling the signals collected in cavitation field by stochastic and Artificial intelligence methods, 13th International Conference on Electronics, Computers and Artificial Intelligence (ECAI), 01-03 July, Pitești, Romania, p. 1-4, doi: 10.1109/ECAI52376.2021.9515016, 2021.
[21]. Bărbulescu A., Dumitriu C. S., ARIMA and Wavelet-ARIMA Models for the Signal Produced by Ultrasound in Diesel, ICSTCC, Iasi (accepted), 2021.
[22]. Bărbulescu A., Dumitriu C. S., Assessing the Fractal Characteristics of Signals in Ultrasound Cavitation, ICSTCC, Iasi (accepted), 2021.
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[25]. Kruskal W. H., Wallis W. A., Use of ranks in one-criterion variance analysis, J. Am. Stat. Assoc., vol. 47 (260), p. 583-621, doi:10.1080/01621459.1952.10483441, 1952.
[26]. Mann H. B., Whitney D. R., On a Test of Whether one of Two Random Variables is Stochastically Larger than the Other, Ann. Math. Stat., vol. 18 (1), p. 50-60. doi:10.1214/aoms/1177730491, 1947.
[2]. Vajnhandl S., Marechal A. M. L., Ultrasound in textile dyeing and the decolourization/mineralization of textile dyes, Dyes Pigments, vol. 65, p. 89-101, 2005.
[3]. Wu T. Y., et al., Advances in Ultrasound Technology for Environmental Remediation, Springer, Dordrecht, Heidelberg, New York, London, 2013.
[4]. Chen D., Applications of ultrasound in water and wastewater treatment, in: Handbook on application of ultrasound: sonochemistry for sustainability (Eds. D. Chen, S. K. Sharma, A. Mudhoo), CRC Press, Taylor & Francis Group, Boca Raton, USA, p. 373-406, 2012.
[5]. Anton A., Cavitation, Editura Academiei Române, Bucharest, Romania, 1985.
[6]. Marza V., Contributions to the study of the ultraacoustic cavitation and of some electrical and chemical phenomena induced by it, „Ovidius” University Press, Constanta, Romania, 2003.
[7]. Suslick K., Ultrasound: its Chemical, Physical and Biological Effects, VCH Pub, New York, USA, 1988.
[8]. Roy R. A., Physical aspects of sonoluminescence from A. M. L., Ultrasound in textile dyeing and the decolourization/mineralization acoustic cavitation, Ultrason. Sonochem., vol. 1, 1, p. S5-S8, 1994.
[9]. Young F. E., Cavitation, Mac Graw-Hill, Maidenhead, UK, 1989.
[10]. Rayleigh L., On the pressure developed in a liquid during the collapse of a spherical cavity, The London, Edinburgh, and Dublin Philos. Magazine and J. Sci., vol. 34, p. 94-98, 1917.
[11]. Dumitriu C. S., Bărbulescu A., Studies about the copper base alloys used in naval constructions – modeling the loss mass in different media, Sitech, Craiova, 2007.
[12]. Amann T., et al., Analysis of mechanical and chemical mechanisms on cavitation erosion-corrosion of steels in salt water using electrochemical methods, Tribol. Int., vol. 124, p. 238-246, 2018.
[13]. Iwai I., et al., Effects of applied stress on cavitation erosion, Wear, vol. 79 (2), p. 283-293, 1982.
[14]. Bărbulescu A., Marza V., Electrical effect induced at the boundary of an acoustic cavitation zone, Acta Phys. Pol. B, vol. 37(2), p. 507-518, 2006.
[15]. Bărbulescu A., Models of the voltage induced by cavitation in hydrocarbons, Acta Phys. Pol. B, 37 (10), p. 2919-2931, 2006.
[16]. Bărbulescu A., Toncu C., Orac L., Analysis and models of some composites corrosion evolution, Recent Advances in Materials Science, p. 63-69, 2008.
[17]. Bărbulescu A., Marza V., Dumitriu C. S., Installation and method for measuring and determining the effects produced by cavitation in ultrasound field in stationary and circulating media, Patent no RO 123086-B1, 30.09.2010.
[18]. Bărbulescu A., Dumitriu C. S., Mathematical aspects of the study of the cavitation in liquids, in Series on Mathematical Modelling of Environmental and Life Sciences Problems, Proceedings of the 4th Workshop, Constanţa, Romania, S. Ion, G. Marinoshi, C. Popa (eds.), Ed. Academiei Române, București, p. 7-15, Sept. 2005.
[19]. Bărbulescu, A. Dumitriu C. S., Models of the mass loss of some copper alloys, Chem. Bull. Politehnica University (Timişoara), vol. 52 (66), 1-2, p. 120-123, 2007.
[20]. Dumitriu C. Ș., Dragomir F., Modeling the signals collected in cavitation field by stochastic and Artificial intelligence methods, 13th International Conference on Electronics, Computers and Artificial Intelligence (ECAI), 01-03 July, Pitești, Romania, p. 1-4, doi: 10.1109/ECAI52376.2021.9515016, 2021.
[21]. Bărbulescu A., Dumitriu C. S., ARIMA and Wavelet-ARIMA Models for the Signal Produced by Ultrasound in Diesel, ICSTCC, Iasi (accepted), 2021.
[22]. Bărbulescu A., Dumitriu C. S., Assessing the Fractal Characteristics of Signals in Ultrasound Cavitation, ICSTCC, Iasi (accepted), 2021.
[23]. Anderson T. W., Darling D. A., Asymptotic theory of certain "goodness-of-fit" criteria based on stochastic processes, Ann. Math. Stat., vol. 23, p. 193-212, doi:10.1214/aoms/1177729437, 1952.
[24]. Bartlett M. S., Properties of sufficiency and statistical tests, Proc. Royal Stat. Soc. A, vol. 160, p. 268-282, 1932.
[25]. Kruskal W. H., Wallis W. A., Use of ranks in one-criterion variance analysis, J. Am. Stat. Assoc., vol. 47 (260), p. 583-621, doi:10.1080/01621459.1952.10483441, 1952.
[26]. Mann H. B., Whitney D. R., On a Test of Whether one of Two Random Variables is Stochastically Larger than the Other, Ann. Math. Stat., vol. 18 (1), p. 50-60. doi:10.1214/aoms/1177730491, 1947.
Published
2021-09-15
How to Cite
1.
DUMITRIU C Ștefan, BĂRBULESCU A. Copper Corrosion in Ultrasound Cavitation Field. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Sep.2021 [cited 30Oct.2024];44(3):31-5. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/4872
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