Cryomilling effect on the mechanical alloying behaviour of ferritic oxide dispersion strengthened powder with Y2O3

  • Jeoung Han Kim
  • , Jae Hoon Lee
  • , Jeon Yeong Min
  • , Seong Woong Kim
  • , Chan Hee Park
  • , Jong Taek Yeom
  • , Thak Sang Byun

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Cryogenic cooling effect on mechanical alloying of the mixture of Fe-14Cr-3W-0.1Ti and Y2O3 powders was investigated. The powder mixtures were ball milled for 40 h at roomerature and 150 C. Cryomilling produced much finer particle/grain size than conventional roomerature milling. XRD diffraction peak intensity was much lower under cryomilling conditions due to formation of nano-size grains and increased residual microstrain. Absorption amounts of interstitial elements were considerably higher under cryomilling conditions.

Original languageEnglish
Pages (from-to)125-130
Number of pages6
JournalJournal of Alloys and Compounds
Volume580
DOIs
StatePublished - 2013

Funding

This research was sponsored by the in-house research project of the Korea Institute of Materials Science. It was also sponsored by U.S. Department of Energy, Office of Nuclear Energy under Contract DE-AC05-00OR22725 with UT-Battelle, LLC. Special thanks go to Dr. Heung Man Kim and Ms. Sang Mi Woo.

Keywords

  • Grain refinement
  • Mechanical alloying
  • Nuclear reactor materials
  • Oxide dispersion strengthened alloy
  • X-ray diffraction

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