caa a22 4500 445844175 CHVBK 20180317145353.0 cr unu---uuuuu 170323e20111001xx s 000 0 eng 10.1007/s11085-011-9249-3 doi (NATIONALLICENCE)springer-10.1007/s11085-011-9249-3 Oxidation of Advanced Zirconium Cladding Alloys in Steam at Temperatures in the Range of 600-1200°C [Elektronische Daten] [Martin Steinbrück, Nóra Vér, Mirco Große] The oxidation kinetics of the classical pressurized water reactors (PWR) cladding alloy Zircaloy-4 have been extensively investigated over a wide temperature range from operational conditions to beyond design basis accident (BDBA) temperatures. In recent years, new cladding alloys optimized for longer operation and higher burn-up are used in Western light water reactors (LWR). This paper presents the results of thermo-gravimetric tests with Zircaloy-4 as the reference material, Duplex DX-D4, M5® (both AREVA), ZIRLO™ (Westinghouse), and the Russian E110 alloy. All materials were investigated in isothermal and transient tests in a thermal balance with steam furnace. Post-test analyses were performed by light-microscopy and neutron radiography for investigation of the hydrogen absorbed by the metal. Strong and varying differences (up to 800%) in oxidation kinetics between the alloys were found at up to 1000°C, where the breakaway effect plays a role. Less but significant differences (ca. 30%) were observed at 1100 and 1200°C. Generally, the M5® alloy revealed the lowest oxidation rate over the temperature range investigated whereas the behavior of the other alloys was considerably dependent on temperature. A strong correlation was found between oxide scale structure and amount of absorbed hydrogen. Springer Science+Business Media, LLC, 2011 High-temperature oxidation nationallicence Zirconium alloys nationallicence Cladding nationallicence Light water reactor nationallicence Nuclear safety nationallicence ACM : Advanced cladding materials nationallicence DX-D4 : AREVA duplex cladding nationallicence E110 : Russian cladding alloy (Zr1Nb) nationallicence FZK : Forschungszentrum Karlsruhe nationallicence ISTC : International Science and Technology Center nationallicence KIT : Karlsruhe Institute of Technology nationallicence km : Rate constant nationallicence LOCA : Loss of coolant accident nationallicence LWR : Light water reactor nationallicence M5® : AREVA cladding alloy (Zr1Nb) nationallicence PWR : Pressurized Water Reactor nationallicence QUENCH : Research program on reflood of an overheated reactor core at KIT nationallicence RIA : Reactivity initiated accident nationallicence S : Surface area nationallicence SARNET : Severe accident network (EC Program) nationallicence STA : Simultaneous thermal analysis nationallicence TG : Thermo-gravimetry nationallicence VVER : Russian PWR reactor nationallicence ZIRLO™ : Westinghouse cladding alloy (Zr1Nb1Sn) nationallicence Zry-4 : Zircaloy-4 cladding alloy (Zr1Sn) nationallicence ∆m : Mass gain nationallicence Steinbrück Martin Karlsruhe Institute of Technology, Institute for Applied Materials, P.O. Box 3640, 76021, Karlsruhe, Germany aut Vér Nóra AEKI, Budapest, Hungary aut Große Mirco Karlsruhe Institute of Technology, Institute for Applied Materials, P.O. Box 3640, 76021, Karlsruhe, Germany aut Oxidation of Metals Springer-Verlag 76/3-4(2011-10-01), 215-232 0030-770X 76:3-4<215 2011 76 11085 https://doi.org/10.1007/s11085-011-9249-3 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11085-011-9249-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Steinbrück Martin Karlsruhe Institute of Technology, Institute for Applied Materials, P.O. Box 3640, 76021, Karlsruhe, Germany aut NATIONALLICENCE 700 1- Vér Nóra AEKI, Budapest, Hungary aut NATIONALLICENCE 700 1- Große Mirco Karlsruhe Institute of Technology, Institute for Applied Materials, P.O. Box 3640, 76021, Karlsruhe, Germany aut NATIONALLICENCE 773 0- Oxidation of Metals Springer-Verlag 76/3-4(2011-10-01), 215-232 0030-770X 76:3-4<215 2011 76 11085 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer