Candidate Materials Evaluation for Supercritical Water-Cooled Reactor Page: 2 of 377
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Table of Contents
Project Objectives........................................................................................................................... 2
Table of Contents............................................................................................................................ 3
A .1 Corrosion experim ental setup and details ............................................................................. 8
A .1.1 Loop and supercritical w ater corrosion setup at UW ..................................................... 8
A.1.2 Loop parameters for all tests, problems met during the experiments .......................... 9
A .1.3 Corrosion Experim ents .................................................................................................. 9
A.1.4 Material Selection ........................................................................................................... 11
A.1.5 Modification.................................................................................................................... 13
A .1.6 SCC calculations and experim ental procedure ........................................................... 14
A.1.6.1 Design ...................................................................................................................... 14
A.1.6.2 Calculation ............................................................................................................... 15
A.1.6.3 Fabrication ............................................................................................................... 15
A.1.7 Characterization .............................................................................................................. 16
A.2 Corrosion of F/M steel 9CrODS exposed in supercritical water ................... 17
A.2.1 Introduction..................................................................................................................... 17
A.2.2 Experimental................................................................................................................... 17
A .2.3 Results and D iscussion of 9CrOD S in 500 C SCW .................................................... 18
A.2.3.1 Results...................................................................................................................... 18
A.2.3.2 Discussion................................................................................................................ 25
A.2.4 Results and discussion of 9CrODS in 360 C and 600 C SCW .................................. 26
A.2.4.1 Oxidation kinetics .................................................................................................... 26
A .2.4.2 Oxide m icrostructure and com positions ............................................................. 29
A.2.4.3 Internal oxidation layer ............................................................................................ 34
A.2.5 Effect of Yttrium Thin Film on 9%Cr ODS in SCW...................................................... 37
A.2.5.1 Introduction.............................................................................................................. 37
A .2.5.2 Experim ental procedure ....................................................................................... 38
A .2.5.3 Results and D iscussion......................................................................................... 38
A.2.6 Summary ......................................................................................................................... 44
A.3 Corrosion of F/M Steel T91 in SCW ..................................................................................... 48
A.3.1 Introduction..................................................................................................................... 48
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Allen, T. R. & Was, G. S. Candidate Materials Evaluation for Supercritical Water-Cooled Reactor, report, December 12, 2008; Wisconsin. (https://digital.library.unt.edu/ark:/67531/metadc895067/m1/2/: accessed March 28, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.