Neutron diffraction analysis of stacking fault energy in Fe-18Mn-2Al-0.6C twinning-induced plasticity steels

Mihyun Kang, Wanchuck Woo, Young Kook Lee, Baek Seok Seong

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The stacking fault energy (SFE) was determined in high-manganese twinning-induced plasticity (TWIP) steels using neutron diffraction. Significant contributions of the deformation-induced stacking faults to the peak position shifts for successive orders of diffraction, in this case (111) and (222), were quantitatively correlated to the stacking fault probability and the SFE. The result shows that the SFE increases considerably from 17 to 37 mJ/m 2 as the Al content increases from 0 to 2 wt.% in the Fe-18Mn-0.6C TWIP alloy system.

Original languageEnglish
Pages (from-to)93-95
Number of pages3
JournalMaterials Letters
Volume76
DOIs
Publication statusPublished - 2012 Jun 1

Fingerprint

stacking fault energy
Steel
Twinning
Stacking faults
Neutron diffraction
twinning
plastic properties
Plasticity
neutron diffraction
steels
crystal defects
manganese
Manganese
shift
diffraction
Diffraction

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "The stacking fault energy (SFE) was determined in high-manganese twinning-induced plasticity (TWIP) steels using neutron diffraction. Significant contributions of the deformation-induced stacking faults to the peak position shifts for successive orders of diffraction, in this case (111) and (222), were quantitatively correlated to the stacking fault probability and the SFE. The result shows that the SFE increases considerably from 17 to 37 mJ/m 2 as the Al content increases from 0 to 2 wt.{\%} in the Fe-18Mn-0.6C TWIP alloy system.",
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Neutron diffraction analysis of stacking fault energy in Fe-18Mn-2Al-0.6C twinning-induced plasticity steels. / Kang, Mihyun; Woo, Wanchuck; Lee, Young Kook; Seong, Baek Seok.

In: Materials Letters, Vol. 76, 01.06.2012, p. 93-95.

Research output: Contribution to journalArticle

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AU - Woo, Wanchuck

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AU - Seong, Baek Seok

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N2 - The stacking fault energy (SFE) was determined in high-manganese twinning-induced plasticity (TWIP) steels using neutron diffraction. Significant contributions of the deformation-induced stacking faults to the peak position shifts for successive orders of diffraction, in this case (111) and (222), were quantitatively correlated to the stacking fault probability and the SFE. The result shows that the SFE increases considerably from 17 to 37 mJ/m 2 as the Al content increases from 0 to 2 wt.% in the Fe-18Mn-0.6C TWIP alloy system.

AB - The stacking fault energy (SFE) was determined in high-manganese twinning-induced plasticity (TWIP) steels using neutron diffraction. Significant contributions of the deformation-induced stacking faults to the peak position shifts for successive orders of diffraction, in this case (111) and (222), were quantitatively correlated to the stacking fault probability and the SFE. The result shows that the SFE increases considerably from 17 to 37 mJ/m 2 as the Al content increases from 0 to 2 wt.% in the Fe-18Mn-0.6C TWIP alloy system.

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