Fusion zone microstructure of laser beam welded directionally solidified Ni3Al-base alloy IC6

Rengen Ding, O.A. Ojo, M.C. Chaturvedi

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

The fusion zone microstructure of laser welded alloy IC6 was examined. Extensive weld-metal cracking was observed to be closely associated with non-equilibrium eutectic-type microconstituents identified as consisting of gamma, gamma prime and NiMo (Y) phases. Their formation has been related to modification of primary solidification path due to reduced solutal microsegregation.
Original languageEnglish
Pages (from-to)859-864
Number of pages6
JournalScripta Materialia
Volume54
Issue number5
Early online date1 Dec 2005
DOIs
Publication statusPublished - Mar 2006

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