Behavior of Selected Martensitic Steels in Supercritical Water

JAN, MACAK and MARKETA, KRYKOVA, and MONIKA, SIPOVA, and TOMAS, POPELA and ZUZANA, SKOUMALOVA (2014) Behavior of Selected Martensitic Steels in Supercritical Water. In: Second International Conference on Advances In Civil, Structural and Environmental Engineering- ACSEE 2014, 25 - 26 October 2014, Zurich, Switzerland.

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In order to increase the effectiveness of fossil-fueled power plants the parameters of the cooling medium are increased nowadays up to 600 °C and 25 MPa (supercritical water). Currently even higher parameters (ultra supercritical water) are planned to be employed in the future. In this paper the unique supercritical water research infrastructure in Research Centre Řež is presented. The newly designed ultra supercritical water research loop is described in detail. The corrosion resistance of ferritic-martensitic steels P91, P92 and VM12-SHC was investigated under the conditions of supercritical water at 600 °C and 25 MPa. The high-temperature structural stability of these steels was evaluated and the oxides formed during the supercritical water exposure were analyzed and described. As expected the higher chromium containing steel VM12-SHC showed the best corrosion behavior among the examined steels.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: supercritical water, martensitic steels, ultra supercritical water, corrosion behaviour, structural stability
Depositing User: Mr. John Steve
Date Deposited: 29 May 2019 12:23
Last Modified: 29 May 2019 12:23

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