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Strengthening mechanisms of oxide dispersion strengthened steel

An oxide dispersion strengthened (ODS) ferritic steel with the nominal composition of Fe-12.5Cr-2.5W-0.4Ti-0.02V-0.4Y(2)O(3) (designated 12Cr-ODS, % by mass) was produced by powder metallurgy. Its microstructure and mechanical properties were investigated by scanning electron microscopy (SEM), trans... Full description

Journal Title: Journal of University of Science and Technology Beijing May 2013, Vol.35(5), pp.586-591
Main Author: Guo, Li-Na
Other Authors: Hu, Ben-Fu , Liu, An-Qiang , Jia, Cheng-Chang , Li, Hui-Ying
Format: Electronic Article Electronic Article
Language: chi
Subjects:
Quelle: © ProQuest LLC All rights reserved
ID: ISSN: 1001-053X
Link: http://search.proquest.com/docview/1439782927/?pq-origsite=primo
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title: Strengthening mechanisms of oxide dispersion strengthened steel
format: Article
creator:
  • Guo, Li-Na
  • Hu, Ben-Fu
  • Liu, An-Qiang
  • Jia, Cheng-Chang
  • Li, Hui-Ying
subjects:
  • Steels
  • Yield Strength
  • Scanning Electron Microscopy
  • Strengthening
  • Ferritic Stainless Steels
  • Transmission Electron Microscopy
  • Oxides
  • Mechanical Properties
  • Solid State Milieux (General) (So)
  • Design Principles, Theory, and Analysis (Mt)
  • General and Nonclassified (MD)
  • General and Nonclassified (Ep)
  • General and Nonclassified (Ed)
  • General and Nonclassified (EC)
  • Electronics and Communications Milieux (General) (Ea)
  • Computing Milieux (General) (Ci)
  • Surveying, Theory, and Analysis (CE)
  • Ferritic Stainless Steels
  • 12cr-Ods
ispartof: Journal of University of Science and Technology Beijing, May 2013, Vol.35(5), pp.586-591
description: An oxide dispersion strengthened (ODS) ferritic steel with the nominal composition of Fe-12.5Cr-2.5W-0.4Ti-0.02V-0.4Y(2)O(3) (designated 12Cr-ODS, % by mass) was produced by powder metallurgy. Its microstructure and mechanical properties were investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and mechanical properties testing. Quantitative calculations were performed to find out the contribution of different strengthening mechanisms to the yield strength of the steel. SEM and TEM observations show that the steel exhibits equiaxed ferritic grains, its average size is 1.5 mu m, and oxide particles of different sizes appear quite homogeneously distributed in the matrix. Tensile testing results indicate that the steel has superior tensile strength with the high yield strength of 738 MPa at room temperature. Orowan strengthening, work hardening effect of reinforced particles, dislocation strengthening by thermal expansion mismatch,...
language: chi
source: © ProQuest LLC All rights reserved
identifier: ISSN: 1001-053X
fulltext: fulltext
issn:
  • 1001053X
  • 1001-053X
url: Link


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titleStrengthening mechanisms of oxide dispersion strengthened steel
creatorGuo, Li-Na ; Hu, Ben-Fu ; Liu, An-Qiang ; Jia, Cheng-Chang ; Li, Hui-Ying
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ispartofJournal of University of Science and Technology Beijing, May 2013, Vol.35(5), pp.586-591
identifierISSN: 1001-053X
subjectSteels ; Yield Strength ; Scanning Electron Microscopy ; Strengthening ; Ferritic Stainless Steels ; Transmission Electron Microscopy ; Oxides ; Mechanical Properties ; Solid State Milieux (General) (So) ; Design Principles, Theory, and Analysis (Mt) ; General and Nonclassified (MD) ; General and Nonclassified (Ep) ; General and Nonclassified (Ed) ; General and Nonclassified (EC) ; Electronics and Communications Milieux (General) (Ea) ; Computing Milieux (General) (Ci) ; Surveying, Theory, and Analysis (CE) ; Ferritic Stainless Steels ; 12cr-Ods
descriptionAn oxide dispersion strengthened (ODS) ferritic steel with the nominal composition of Fe-12.5Cr-2.5W-0.4Ti-0.02V-0.4Y(2)O(3) (designated 12Cr-ODS, % by mass) was produced by powder metallurgy. Its microstructure and mechanical properties were investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and mechanical properties testing. Quantitative calculations were performed to find out the contribution of different strengthening mechanisms to the yield strength of the steel. SEM and TEM observations show that the steel exhibits equiaxed ferritic grains, its average size is 1.5 mu m, and oxide particles of different sizes appear quite homogeneously distributed in the matrix. Tensile testing results indicate that the steel has superior tensile strength with the high yield strength of 738 MPa at room temperature. Orowan strengthening, work hardening effect of reinforced particles, dislocation strengthening by thermal expansion mismatch,...
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descriptionAn oxide dispersion strengthened (ODS) ferritic steel with the nominal composition of Fe-12.5Cr-2.5W-0.4Ti-0.02V-0.4Y(2)O(3) (designated 12Cr-ODS, % by mass) was produced by powder metallurgy. Its microstructure and mechanical properties were investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and mechanical properties testing. Quantitative calculations were performed to find out the contribution of different strengthening mechanisms to the yield strength of the steel. SEM and TEM observations show that the steel exhibits equiaxed ferritic grains, its average size is 1.5 mu m, and oxide particles of different sizes appear quite homogeneously distributed in the matrix. Tensile testing results indicate that the steel has superior tensile strength with the high yield strength of 738 MPa at room temperature. Orowan strengthening, work hardening effect of reinforced particles, dislocation strengthening by thermal expansion mismatch,...
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abstractAn oxide dispersion strengthened (ODS) ferritic steel with the nominal composition of Fe-12.5Cr-2.5W-0.4Ti-0.02V-0.4Y(2)O(3) (designated 12Cr-ODS, % by mass) was produced by powder metallurgy. Its microstructure and mechanical properties were investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and mechanical properties testing. Quantitative calculations were performed to find out the contribution of different strengthening mechanisms to the yield strength of the steel. SEM and TEM observations show that the steel exhibits equiaxed ferritic grains, its average size is 1.5 mu m, and oxide particles of different sizes appear quite homogeneously distributed in the matrix. Tensile testing results indicate that the steel has superior tensile strength with the high yield strength of 738 MPa at room temperature. Orowan strengthening, work hardening effect of reinforced particles, dislocation strengthening by thermal expansion mismatch,...
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date2013-05-01