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

doi:10.2320/matertrans.M2009386

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

Department of Materials Science and Engineering

Research output: Contribution to journal › Article

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 language	English
Pages (from-to)	799-802
Number of pages	4
Journal	Materials Transactions
Volume	51
Issue number	4
DOIs	https://doi.org/10.2320/matertrans.M2009386
Publication status	Published - 2010 Apr

All Science Journal Classification (ASJC) codes

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

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

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.",

author = "Kim, {Tae Eung} and Park, {Jin Man} and Sohn, {Sung Woo} and Kim, {Do Hyang} and Kim, {Won Tae} and Mihai Stoica and Uta K{\"u}hn and J{\"u}rgen Eckert",

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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

PY - 2010/4

Y1 - 2010/4

N2 - 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.

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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