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

doi:10.1016/j.jallcom.2013.04.165

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

Radiation Effects and Microstructural An

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	125-130
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	580
DOIs	https://doi.org/10.1016/j.jallcom.2013.04.165
State	Published - 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.

Funders	Funder number
U.S. Department of Energy
Office of Nuclear Energy	DE-AC05-00OR22725
Korea Institute of Materials Science

Keywords

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

Access to Document

10.1016/j.jallcom.2013.04.165

Cite this

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title = "Cryomilling effect on the mechanical alloying behaviour of ferritic oxide dispersion strengthened powder with Y2O3",

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.",

keywords = "Grain refinement, Mechanical alloying, Nuclear reactor materials, Oxide dispersion strengthened alloy, X-ray diffraction",

author = "Kim, {Jeoung Han} and Lee, {Jae Hoon} and Min, {Jeon Yeong} and Kim, {Seong Woong} and Park, {Chan Hee} and Yeom, {Jong Taek} and Byun, {Thak Sang}",

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language = "English",

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AU - Kim, Jeoung Han

AU - Lee, Jae Hoon

AU - Min, Jeon Yeong

AU - Kim, Seong Woong

AU - Park, Chan Hee

AU - Yeom, Jong Taek

AU - Byun, Thak Sang

PY - 2013

Y1 - 2013

N2 - 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.

AB - 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.

KW - Grain refinement

KW - Mechanical alloying

KW - Nuclear reactor materials

KW - Oxide dispersion strengthened alloy

KW - X-ray diffraction

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