Corium phase equilibria based on MASCA, METCOR and CORPHAD results

被引：46

作者：

Bechta, S. V. ^{[5
]}

Granovsky, V. S. ^{[5
]}

Khabensky, V. B. ^{[5
]}

Gusarov, V. V. ^{[4
]}

Almiashev, V. I. ^{[4
]}

Mezentseva, L. P. ^{[4
]}

Krushinov, E. V. ^{[5
]}

Kotova, S. Yu. ^{[5
]}

Kosarevsky, R. A. ^{[5
]}

Barrachin, M. ^{[3
]}

Bottomley, D. ^{[2
]}

Fichot, F. ^{[3
]}

Fischer, M. ^{[1
]}

机构：

[1] AREVA NP GmbH, Erlangen, Germany

[2] Inst Transurane ITU, Joint Res Ctr, EUROPA KOMMISS, Karlsruhe, Germany

[3] DPAM, IRSN, St Paul Les Durance, France

[4] Russian Acad Sci ISCh RAS, IV Grebenshchikov Silicate Chem Inst, St Petersburg, Russia

[5] Alexandrov Res Inst Technol NITI, Sosnovyi Bor, Russia

来源：

NUCLEAR ENGINEERING AND DESIGN | 2008年 / 238卷 / 10期

关键词：

D O I：

10.1016/j.nucengdes.2008.04.018

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Experimental data on component partitioning between suboxidized corium melt and steel in the in-vessel melt retention (IVR) conditions are compared. The data are produced within the OECD MASCA program and the ISTC CORPHAD project under close-to-isothermal conditions and in the ISTC METCOR project under thermal gradient conditions. Chemical equilibrium in the U-Zr-Fe(Cr,Ni, ...)-O system is reached in all experiments. In MASCA tests the molten pool formed under inert atmosphere has two immiscible liquids, oxygen-enriched (oxidic) and oxygen-depleted (metallic), resulting of the miscibility gap of the mentioned system. Sub-system data of the U-Zr-Fe(Cr,Ni, ...)-O phase diagram investigated within the ISTC CORPHAD project are interpreted in relation with the MASCA results. In METCOR tests the equilibrium is established between oxidic liquid and mushy metallic part of the system. Results of comparison are discussed and the implications for IVR noted. (C) 2008 Published by Elsevier B.V.

引用

页码：2761 / 2771

页数：11

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