Investigation of High Temperature Compatibility between Ferroboron and 9Cr-Based Ferritic Steel towards the Development of Indigenous Shield Material for Fast Reactor Applications

Kumar Rai Arun; Subramanian Raju; S. Saroja; Tammana Jayakumar

doi:10.4028/www.scientific.net/MSF.830-831.341

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HomeMaterials Science ForumMaterials Science Forum Vols. 830-831Investigation of High Temperature Compatibility...

Investigation of High Temperature Compatibility between Ferroboron and 9Cr-Based Ferritic Steel towards the Development of Indigenous Shield Material for Fast Reactor Applications

Abstract:

The feasibility of employing the indigenously developed Ferroboron alloy as an alternate neutron shield material in combination with 9Cr-based ferritic steel clad in future Indian Fast Breeder Reactors (FBR), has been investigated from a metallurgical perspective. In this regard, extensive studies have been undertaken to estimate quantitatively the nature of interaction between Ferroboron and P91-ferritic steel at high temperatures. It is found that in the temperature range 550 to 600°C, 9Cr-based ferritic steel is fully compatible with Ferroboron. However, at higher temperatures, Feroboron interacts with ferritic steel; but the maximum estimated loss of clad thickness is restricted to about 250 μm for 60 years of service.

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Materials Science Forum (Volumes 830-831)

Pages:

341-344

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.830-831.341

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Online since:

September 2015

Authors:

Kumar Rai Arun, Subramanian Raju*, S. Saroja, Tammana Jayakumar

Keywords:

Fast Reactor, Ferritic Steel, Ferroboron, Metallurgical Compatibility, Shield Material

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