Effects of alloying elements on martensitic transformation behavior and damping capacity in Fe-17Mn alloy

Jung Chul Kim, Dong Woon Han, Seung Han Baik, Young Kook Lee

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Effect of carbon and Ti on γ ↔ ε martensitic transformation behavior and damping capacity is investigated in an Fe-17Mn alloy. The suppressive force of carbon against γ → ε transformation increase linearly with an increase in its content, lowering Ms temperature and volume fraction of ε martensite. Carbon deteriorates damping capacity by reducing the area of γ/ε boundaries and mobility of the boundaries contributing to anelastic deformation. The reduction in the mobility of the boundaries is accelerated when carbon-containing alloy is aged at higher temperatures than room temperature. The effect of Ti on damping capacity is found to be beneficial in carbon-containing alloy, which is attributed to the depletion of carbon solute due to the formation of TiC.

Original languageEnglish
Pages (from-to)323-327
Number of pages5
JournalMaterials Science and Engineering A
Volume378
Issue number1-2 SPEC. ISS.
DOIs
Publication statusPublished - 2004 Jul 25

Fingerprint

Martensitic transformations
martensitic transformation
Alloying elements
alloying
Carbon
Damping
damping
carbon
martensite
Martensite
Temperature
Volume fraction
solutes
depletion
room temperature

All Science Journal Classification (ASJC) codes

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

Cite this

Kim, Jung Chul ; Han, Dong Woon ; Baik, Seung Han ; Lee, Young Kook. / Effects of alloying elements on martensitic transformation behavior and damping capacity in Fe-17Mn alloy. In: Materials Science and Engineering A. 2004 ; Vol. 378, No. 1-2 SPEC. ISS. pp. 323-327.
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Effects of alloying elements on martensitic transformation behavior and damping capacity in Fe-17Mn alloy. / Kim, Jung Chul; Han, Dong Woon; Baik, Seung Han; Lee, Young Kook.

In: Materials Science and Engineering A, Vol. 378, No. 1-2 SPEC. ISS., 25.07.2004, p. 323-327.

Research output: Contribution to journalArticle

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AB - Effect of carbon and Ti on γ ↔ ε martensitic transformation behavior and damping capacity is investigated in an Fe-17Mn alloy. The suppressive force of carbon against γ → ε transformation increase linearly with an increase in its content, lowering Ms temperature and volume fraction of ε martensite. Carbon deteriorates damping capacity by reducing the area of γ/ε boundaries and mobility of the boundaries contributing to anelastic deformation. The reduction in the mobility of the boundaries is accelerated when carbon-containing alloy is aged at higher temperatures than room temperature. The effect of Ti on damping capacity is found to be beneficial in carbon-containing alloy, which is attributed to the depletion of carbon solute due to the formation of TiC.

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