Applying TEP measurements to assess the response of hastelloy to long time aging

S. Ifergane*, Y. Gelbstein, L. Dahan, M. Pinkas, A. Landau

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


Hastelloy C-276 service temperature is restricted due to precipitation of the intermetallic compound μ. Time-temperature curves indicate that the highest precipitation rate is obtained at about 870°C. Thermoelectric Power (TEP) measurements were applied to monitor the precipitation kinetics during aging at 870°C. The TEP was found to be well correlated with the amount of μ phase formed during aging and with the reduction in impact energy and ductility. It was demonstrated that TEP measurements could be used to monitor aging of Hastelloy C-276.

Original languageEnglish
Pages (from-to)1238-1245
Number of pages8
JournalAIP Conference Proceedings
StatePublished - 2009
Externally publishedYes
EventReview of Progress in Quantitative Nondestructive Evaluation - Chicago, IL, United States
Duration: 20 Jul 200825 Jul 2008


  • Aging
  • Hastelloy
  • Intermetallic precipitation
  • Thermoelectric power (TEP)


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