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Title: Corrosion behavior of materials selected for FMIT lithium system

Conference ·
OSTI ID:6062353

The corrosion program consisted of a multi-disciplinary approach utilizing the liquid lithium test resources and capabilities of several laboratories. Specific concerns associated with the overall objective of materials corrosion behavior were evaluated at each laboratory. Testing conditions included: approx. 3700 hours of exposure to flowing lithium at temperatures from 230/sup 0/C to 270/sup 0/C and approx. 6500 hours of exposure to flowing lithium at an isothermal temperature of 270/sup 0/C. Principal areas of investigation, to be discussed here briefly, included lithium corrosion effects on the following: (1) types 304 and 304L austenitic stainless steels, which are specified as reference materials for the FMIT lithium system; (2) type 304 stainless steel weldments (w/type 308 stainless steel filler) typical of specified tube and butt welds in the lithium system design; (3) titanium, zirconium and yttrium, which represent potential hot trap getter materials; (4) BNi4 braze alloy, used as a potential attachement method in the plug/seat fabrication of liquid lithium valves; and (5) type 321 stainless steel bellows, typical of bellows used in potential liquid lithium valve designs.

Research Organization:
Hanford Engineering Development Lab., Richland, WA (USA); Westinghouse Research and Development Center, Pittsburgh, PA (USA); Colorado School of Mines, Golden (USA)
DOE Contract Number:
AC06-76FF02170
OSTI ID:
6062353
Report Number(s):
HEDL-SA-2778-S; CONF-830406-54; ON: DE83012165
Resource Relation:
Conference: 5. topical meeting on technology of fusion energy, Knoxville, TN, USA, 26 Apr 1983
Country of Publication:
United States
Language:
English