http://repository.iitr.ac.in/handle/123456789/18198| Title: | A comparative study of cavitation erosive behaviour of 23/8N Nitronic steel and 13/4 martensitic stainless steel |
| Authors: | Selokar A.W. Goel D.B. Prakash, Ujjwal |
| Published in: | Proceedings of Advanced Materials Research |
| Abstract: | Hydroturbine blades in hydroelectric power plants are subjected to erosion. Currently these blades are made of 13/4 martensitic stainless steel (ASTM grade A743). This steel suffers from several maintenance and welding related problems. Nitronic steels are being considered as an alternative to martensitic stainless steels since they have good weldability. In present work, erosive behaviour of 13/4 Martensitic and Nitrogen alloyed austenitic stainless steel (23/8N steel) has been studied. Cavitation erosion tests were carried out in distilled water at 20 KHz frequency at constant amplitude. Microstructure of eroded surface, mechanical properties and erosion rate were characterized. It was observed that 23/8N steel possesses excellent resistance to erosion in comparison to 13/4 martensitic steels. 23/8N steel showed good hardness coupled with high tensile toughness and work hardening ability, leading to improved erosion resistance. © (2012) Trans Tech Publications, Switzerland. |
| Citation: | Proceedings of Advanced Materials Research, (2012), 554- 558. Roorkee |
| URI: | https://doi.org/10.4028/www.scientific.net/AMR.585.554 http://repository.iitr.ac.in/handle/123456789/18198 |
| Issue Date: | 2012 |
| Keywords: | Cavitation erosion Surface roughness Tensile toughness |
| ISBN: | 9.78E+12 |
| ISSN: | 10226680 |
| Author Scopus IDs: | 36991096700 7004138780 7005916941 |
| Author Affiliations: | Selokar, A.W., Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India Goel, D.B., Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India Prakash, U., Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India |
| Corresponding Author: | Selokar, A. W.; Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India; email: aselodmt@iitr.ernet.in |
| Appears in Collections: | Conference Publications [MT] |
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