Mechanical Characteristics Alteration of a Steel Used in Water Turbine Blades

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A water turbine blade was investigated after it was discarded. First general macroscopic observations were performed on the turbine blade surface and then chemical composition of the steel was determined by arc spark optical emission spectroscopy. The study aimed to observe if the mechanical properties of the steel changed by a significant amount when compared with literature data. Tensile and impact tests were performed. The samples were obtained from transverse sections from the blade.

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Solid State Phenomena (Volume 254)

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194-199

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August 2016

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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[1] A. Lejeune, S. L. Hui, Hydropower: a multi benefit solution for renewable energy, Comprehensive Renewable Energy, 6 (2012) 15 – 47.

Google Scholar

[2] Central Electricity Authority Reports, Best practices, information on http: /www. cea. nic. in.

Google Scholar

[3] U. Dorji, R. Ghomashchi, Hydro turbine failure mechanisms: An overview, Engineering Failure Analysis, 44 (2014) 136-147.

DOI: 10.1016/j.engfailanal.2014.04.013

Google Scholar

[4] A. K. Chauhan, Cavitation erosion resistance of 13/4 and 21-4-N steels, Sadhana, Indian Academy of Sciences, 38 (2013) 25-35.

DOI: 10.1007/s12046-013-0125-5

Google Scholar

[5] I. Bordeaşu, A. Karabenciov, A. Jurchela, R. Bădărău, V. Bălăşoiu, I. Mitelea, B. Ghiban, Considerations on the influence of nickel on the cavitation damage to stainless steel by 0. 1% carbon content and constant chrome content, Metalurgia International, XIV (2009).

Google Scholar

[6] D. H. Lister, Corrosion for Engineers, Chulalongkom University, Thailand, information on http: /canteach. candu. org.

Google Scholar

[7] I. Bordeaşu, B. Ghiban, M.O. Popoviciu, V. Bălăşoiu, N. Birău, A. Karabenciov, The Damage of Austenite - Ferrite Stainless Steels by Cavitation Erosion, Annals of DAAAM for 2008 & Proceedings of the 19th International Symposium, 22-25th October 2008, Trnava, Slovakia, ISSN 1726-9679, ISBN 978-3-901509-68-1, B. Katalinic (Ed. ), DAAM International Vienna, (2008).

Google Scholar

[8] D.L. Olson, Prediction of austenitic weld metal microstructure and properties, Weld. J, 09 (1985); 64: 10.

Google Scholar

[9] A. I. Schaeffler, Constitution diagram for stainless steel weld metal, Metal Progress, 56(11) (1949) 680-680(B).

Google Scholar

[10] A designers' handbook series no. 9014, Design guidelines for the selection and use of stainless steel, Nickel development institute, p.13, information on http: /www. nickelinstitute. org.

Google Scholar