Damping capacity in Fe-Mn binary alloys

Young-Kook Lee, Joong Hwan Jun, Chong Sool Choi

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

The damping capacities of Fe-Mn binary alloys have been investigated in a wide range of manganese content from 5 to 30 wt%. The damping capacity increases with increasing manganese content, attains a maximum at approximately 17 wt%Mn, and decreases with further manganese content. It is suggested that the damping mechanisms of Fe-Mn alloys containing γ and ε phases are the stress-induced movement of the defects: stacking fault boundary in γ, stacking fault boundary in ε, ε martensite variant boundary, γ/ε interphase boundary. The appearance of the maximum damping capacity at around 17 wt%Mn in Fe-Mn binary system is well explained with the damping mechanisms. The contributions of the damping mechanisms to the overall damping capacities of Fe-17 wt%Mn and Fe-21 wt%Mn alloys are quantitatively analyzed, which indicates that ε martensite bears the major part of their damping capacities.

Original languageEnglish
Pages (from-to)1023-1030
Number of pages8
JournalISIJ International
Volume37
Issue number10
DOIs
Publication statusPublished - 1997 Jan 1

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Binary alloys
Damping
Manganese
Stacking faults
Martensite
Defects

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Lee, Young-Kook ; Jun, Joong Hwan ; Choi, Chong Sool. / Damping capacity in Fe-Mn binary alloys. In: ISIJ International. 1997 ; Vol. 37, No. 10. pp. 1023-1030.
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Damping capacity in Fe-Mn binary alloys. / Lee, Young-Kook; Jun, Joong Hwan; Choi, Chong Sool.

In: ISIJ International, Vol. 37, No. 10, 01.01.1997, p. 1023-1030.

Research output: Contribution to journalArticle

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