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An in situ transmission electron microscope study of the thermal stability of near-surface microstructures induced by deep rolling and laser-shock peening

  • I. Altenberger
  • , E.A. Stach
  • , G. Liu
  • , R.K. Nalla
  • , R.O. Ritchie

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

We investigate the thermal stability of near-surface microstructures induced by deep rolling and laser-shock peening in AISI 304 stainless steel (AISI 304) and Ti–6Al–4V using in situ transmission electron microscopy. The improvements in fatigue resistance at elevated temperature are related to the high-temperature stability of the work-hardened near-surface microstructure.
Original languageEnglish
Pages (from-to)1593-1598
JournalScripta Materialia
Volume48
Issue number12
Online published8 Apr 2003
DOIs
Publication statusPublished - Jun 2003
Externally publishedYes

Research Keywords

  • AISI 304
  • Deep rolling
  • Fatigue
  • Laser-shock peening
  • Surface treatment
  • Ti-6Al-4V

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