Evaluation of hastelloy N alloys after nine years exposure to both a ...

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This report was prepared as an account of work sponsored by the United States Government. Neither the United States nor the United States Atomic Energy Commission, nor any of their employees, nor any of their contractors, subcontractors, or their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness or usefulness of any information, apparatus, product or process disclosed, or represents that its use would not infringe privately owned rights.
i t 4 * '. c Contract No. W-7405-eng-26 METALS AND CERAMICS DIVISION ORN L-TM-4189 EVALUATION OF HASTELLOY N ALLOYS AFTER NINE YEARS EXPOSURE TO BOTH A MOLTEN FLUORIDE SALT AND AIR AT TEMPERATURES FROM 700 TO 560°C J. W. Koger DECEMBER 1972 NOTICE This report was prepared as an account of work sponsored by the United States Government. Neither the United States nor the United States Atomic Energy Commission. nor my of their employees, nor my of the& contractors, subcontractors, or their employees, nukes any warranty, expre~~ or implied, or essumes any legal hbility or responsibility for the accuracy, completeness or usefulness of any Information, apparatus, product or process disclosed, or represents that its use would not infringe privately owned rights. OAK RIDGE NATIONAL LABORATORY Oak Ridge, Tennessee 37830 operated by UNION CARBIDE CORPORATION for the U.S. ATOMIC ENERGY COMMISSION DISTRIBUTION OF THIS h DOCUMENT IS UNLlMl ED
Page 1: I . ORN L-TM-4189 EVALUATION OF HAS
Page 7 and 8: IC, 1 % - I I ; * * I - i t EVALUAT
Page 9 and 10: i i P G - . r 3 The experiment was
Page 11 and 12: c c I hild 700OC 6-in. CLAMSHELL HE
Page 13 and 14: f 7 Fig. 6. Failed region of Hastel
Page 15 and 16: 'L, . *. . . Fig. 8. Failed region
Page 17 and 18: * ' hd Fig. 10. Micrograph of modif
Page 19 and 20: ! - ! a j 5 I i 1 ~ I . &J I c i *
Page 21 and 22: L, 15 Fig. 15. Inside surface of mo
Page 23 and 24: 8 R 17 Fig. 18. Inside surface of s
Page 25 and 26: . - 19 Air Oxidation Figure 22 show
Page 27 and 28: i 4 21 Fig. 24. Outside surface of
Page 29 and 30: U c t 1. W 23 Fig. 28. Outside surf
Page 31 and 32: i ! i 25 Fig. 31. Outside surface,
Page 33 and 34: i ' L tj t i 27 Y-111351 Fig. 33. W
Page 35 and 36: LJ L f 29 corrosion-product concent
Page 37 and 38: L, 4 Table 5. Analyses of fluoride
Page 39 and 40: a 1 33 Fig. 39. Microstructure of t
Page 41 and 42: W c f I' . 4 , 44 35 Table 7. Thic
Page 43 and 44: u c i w J. M. Dale (3) Central Rese

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