Effect of carbon addition on the microstructural evolution and mechanical properties in hypo-eutectic Fe-Zr(-Nb) alloys

Tae Eung Kim, Jin Man Park, Sung Woo Sohn, Do Hyang Kim, Won Tae Kim, Mihai Stoica, Uta Kühn, Jürgen Eckert

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The effect of carbon addition on the microstructure and mechanical properties of Fe-Zr and Fe-Zr-Nb ultrafine eutectic-dendrite composites has been investigated. Addition of carbon leads to the formation of iron solid solution strengthened by carbon interstitials and carbide particles encapsulated by ar-Fe dendrites preferentially nucleated on the carbides. Consequently, the ultrafine eutectic Fe-5Zr-5Nb-0.3C (mass%) alloy exhibits high compressive strength (∼ 1.2 GPa) and large plastic strain (∼24%). The present study suggests another effective way to enhance the mechanical properties of Fe-based nano-eutectic alloys.

Original languageEnglish
Pages (from-to)799-802
Number of pages4
JournalMaterials Transactions
Volume51
Issue number4
DOIs
Publication statusPublished - 2010 Apr 1

Fingerprint

Microstructural evolution
eutectics
Eutectics
Carbon
mechanical properties
dendrites
carbides
Mechanical properties
Carbides
carbon
eutectic alloys
Dendrites (metallography)
compressive strength
Compressive strength
Solid solutions
Plastic deformation
interstitials
solid solutions
plastics
Iron

All Science Journal Classification (ASJC) codes

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

Cite this

Kim, Tae Eung ; Park, Jin Man ; Sohn, Sung Woo ; Kim, Do Hyang ; Kim, Won Tae ; Stoica, Mihai ; Kühn, Uta ; Eckert, Jürgen. / Effect of carbon addition on the microstructural evolution and mechanical properties in hypo-eutectic Fe-Zr(-Nb) alloys. In: Materials Transactions. 2010 ; Vol. 51, No. 4. pp. 799-802.
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Effect of carbon addition on the microstructural evolution and mechanical properties in hypo-eutectic Fe-Zr(-Nb) alloys. / Kim, Tae Eung; Park, Jin Man; Sohn, Sung Woo; Kim, Do Hyang; Kim, Won Tae; Stoica, Mihai; Kühn, Uta; Eckert, Jürgen.

In: Materials Transactions, Vol. 51, No. 4, 01.04.2010, p. 799-802.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Effect of carbon addition on the microstructural evolution and mechanical properties in hypo-eutectic Fe-Zr(-Nb) alloys

AU - Kim, Tae Eung

AU - Park, Jin Man

AU - Sohn, Sung Woo

AU - Kim, Do Hyang

AU - Kim, Won Tae

AU - Stoica, Mihai

AU - Kühn, Uta

AU - Eckert, Jürgen

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AB - The effect of carbon addition on the microstructure and mechanical properties of Fe-Zr and Fe-Zr-Nb ultrafine eutectic-dendrite composites has been investigated. Addition of carbon leads to the formation of iron solid solution strengthened by carbon interstitials and carbide particles encapsulated by ar-Fe dendrites preferentially nucleated on the carbides. Consequently, the ultrafine eutectic Fe-5Zr-5Nb-0.3C (mass%) alloy exhibits high compressive strength (∼ 1.2 GPa) and large plastic strain (∼24%). The present study suggests another effective way to enhance the mechanical properties of Fe-based nano-eutectic alloys.

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