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Failure Analysis of Leaked Stainless Steel Housing of Electro Chemical Hydrogen Metre

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Abstract

The failure of the stainless steel housing of Electro Chemical Hydrogen Metre (ECHM) in the Steam Generator Test Facility resulting in a minor sodium fire has been investigated through systematic metallographic and fractographic analyses. The root cause of the failure was identified as caustic stress corrosion of the stainless steel flange that forms a part of the ECHM housing.

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Acknowledgements

The authors thank Shri. S.C. Chetal, Director, IGCAR, Kalpakkam and Mr. K.K. Rajan, Director, FRTG, & Dr. T. Jayakumar, Director, MMG for their keen interest and motivation in this work. The authors also wish to acknowledge the help rendered during the experimental work by Shri. D. Natarajan, Foreman, PMG.

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Authors and Affiliations

  1. Physical Metallurgy Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603 102, India

    V. Thomas Paul, M. Radhika, P. Parameswaran, S. Saroja & M. Vijayalakshmi

  2. Fast Reactor Technology Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603 102, India

    V. A. Suresh Kumar & I. B. Noushad

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  1. V. Thomas Paul
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  2. M. Radhika
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  3. P. Parameswaran
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  4. V. A. Suresh Kumar
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  5. I. B. Noushad
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  6. S. Saroja
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  7. M. Vijayalakshmi
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Correspondence to V. Thomas Paul.

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Paul, V.T., Radhika, M., Parameswaran, P. et al. Failure Analysis of Leaked Stainless Steel Housing of Electro Chemical Hydrogen Metre. J Fail. Anal. and Preven. 13, 47–54 (2013). https://doi.org/10.1007/s11668-012-9631-8

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  • DOI: https://doi.org/10.1007/s11668-012-9631-8

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