Journal
SCRIPTA MATERIALIA
Volume 46, Issue 4, Pages 299-303Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1359-6462(01)01242-8
Keywords
atom probe; molybdenum; grain boundary; segregation; ductility
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An improvement in the tensile ductility from the traditional 3-20% in 6.35-mm-thick molybdenum weldments has been achieved through the addition of Zr, Al, C and B at the ppm level. Atom probe tomography has revealed segregation of Zr, B and C to and depletion of O at the grain boundaries in the base metal and the heat affected zone. Published by Elsevier Science Ltd. on behalf of Acta Materialia Inc.
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