Phase transformation dynamics during welding of Ti-6Al-4V

J. W. Elmer, T. A. Palmer, S. S. Babu, W. Zhang, T. DebRoy

Research output: Contribution to journalArticlepeer-review

233 Scopus citations


Phase transformation sequence during gas tungsten arc welding of Ti-6Al-4V was investigated. Synchrotron radiation was employed for the in situ measurements in both the fusion zone (FZ) and the heat-affected zone (HAZ) of the weld. The results show that significant superheat is required above the β transus temperature to complete the α→β phase transformation during weld heating. It was found that the amount of superheat decreases with distance from the center of the weld where the heating rates are lower.

Original languageEnglish (US)
Pages (from-to)8327-8339
Number of pages13
JournalJournal of Applied Physics
Issue number12
StatePublished - Jun 15 2004

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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