Improving the mechanical properties of Fe-Nb-(Ni-Mn) dendrite-ultrafine eutectic composites via controlling the primary phase features

Jin Man Park, Tae Eung Kim, Suk Jun Kim, Won Tae Kim, A. Kühn, Jürgen Eckert, Do Hyang Kim

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Tuning of microstructure by addition of austenite stabilizers effectively enhances the mechanical properties in Fe-Nb-(Ni-Mn) dendrite-ultrafine eutectic composites. The Fe93Nb7 alloy displays the improved plasticity up to 10 pct due to the introduction of a ductile a-Fe dendrite into the ultrafine eutectic matrix. Meanwhile, the Fe78Nb7Ni10Mn5 alloy, which forms an in-situ martensitic a-Fe dendritic phase reinforced ultrafine eutectic composite exhibits excellent combination of a high fracture strength of 1.6 GPa and a large plastic strain of 11 pct. The investigations reveal that the characteristics of the modulated primary dendrites in the dendriteultrafine eutectic composites play an important role in manipulating the generation and propagation of shear bands, thus resulting in the improved mechanical properties and plastic deformation behavior.

Original languageEnglish
Pages (from-to)2680-2686
Number of pages7
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume43
Issue number8
DOIs
Publication statusPublished - 2012 Aug 1

Fingerprint

eutectic composites
Dendrites (metallography)
dendrites
Eutectics
mechanical properties
Mechanical properties
Composite materials
Plastic deformation
austenite
fracture strength
plastic properties
eutectics
plastic deformation
Shear bands
plastics
tuning
Austenite
shear
Plasticity
Fracture toughness

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

Cite this

@article{537eed8e975548f28dd8ce5a88ac175d,
title = "Improving the mechanical properties of Fe-Nb-(Ni-Mn) dendrite-ultrafine eutectic composites via controlling the primary phase features",
abstract = "Tuning of microstructure by addition of austenite stabilizers effectively enhances the mechanical properties in Fe-Nb-(Ni-Mn) dendrite-ultrafine eutectic composites. The Fe93Nb7 alloy displays the improved plasticity up to 10 pct due to the introduction of a ductile a-Fe dendrite into the ultrafine eutectic matrix. Meanwhile, the Fe78Nb7Ni10Mn5 alloy, which forms an in-situ martensitic a-Fe dendritic phase reinforced ultrafine eutectic composite exhibits excellent combination of a high fracture strength of 1.6 GPa and a large plastic strain of 11 pct. The investigations reveal that the characteristics of the modulated primary dendrites in the dendriteultrafine eutectic composites play an important role in manipulating the generation and propagation of shear bands, thus resulting in the improved mechanical properties and plastic deformation behavior.",
author = "Park, {Jin Man} and Kim, {Tae Eung} and Kim, {Suk Jun} and Kim, {Won Tae} and A. K{\"u}hn and J{\"u}rgen Eckert and Kim, {Do Hyang}",
year = "2012",
month = "8",
day = "1",
doi = "10.1007/s11661-012-1105-9",
language = "English",
volume = "43",
pages = "2680--2686",
journal = "Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science",
issn = "1073-5623",
publisher = "Springer Boston",
number = "8",

}

Improving the mechanical properties of Fe-Nb-(Ni-Mn) dendrite-ultrafine eutectic composites via controlling the primary phase features. / Park, Jin Man; Kim, Tae Eung; Kim, Suk Jun; Kim, Won Tae; Kühn, A.; Eckert, Jürgen; Kim, Do Hyang.

In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, Vol. 43, No. 8, 01.08.2012, p. 2680-2686.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Improving the mechanical properties of Fe-Nb-(Ni-Mn) dendrite-ultrafine eutectic composites via controlling the primary phase features

AU - Park, Jin Man

AU - Kim, Tae Eung

AU - Kim, Suk Jun

AU - Kim, Won Tae

AU - Kühn, A.

AU - Eckert, Jürgen

AU - Kim, Do Hyang

PY - 2012/8/1

Y1 - 2012/8/1

N2 - Tuning of microstructure by addition of austenite stabilizers effectively enhances the mechanical properties in Fe-Nb-(Ni-Mn) dendrite-ultrafine eutectic composites. The Fe93Nb7 alloy displays the improved plasticity up to 10 pct due to the introduction of a ductile a-Fe dendrite into the ultrafine eutectic matrix. Meanwhile, the Fe78Nb7Ni10Mn5 alloy, which forms an in-situ martensitic a-Fe dendritic phase reinforced ultrafine eutectic composite exhibits excellent combination of a high fracture strength of 1.6 GPa and a large plastic strain of 11 pct. The investigations reveal that the characteristics of the modulated primary dendrites in the dendriteultrafine eutectic composites play an important role in manipulating the generation and propagation of shear bands, thus resulting in the improved mechanical properties and plastic deformation behavior.

AB - Tuning of microstructure by addition of austenite stabilizers effectively enhances the mechanical properties in Fe-Nb-(Ni-Mn) dendrite-ultrafine eutectic composites. The Fe93Nb7 alloy displays the improved plasticity up to 10 pct due to the introduction of a ductile a-Fe dendrite into the ultrafine eutectic matrix. Meanwhile, the Fe78Nb7Ni10Mn5 alloy, which forms an in-situ martensitic a-Fe dendritic phase reinforced ultrafine eutectic composite exhibits excellent combination of a high fracture strength of 1.6 GPa and a large plastic strain of 11 pct. The investigations reveal that the characteristics of the modulated primary dendrites in the dendriteultrafine eutectic composites play an important role in manipulating the generation and propagation of shear bands, thus resulting in the improved mechanical properties and plastic deformation behavior.

UR - http://www.scopus.com/inward/record.url?scp=84864613267&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84864613267&partnerID=8YFLogxK

U2 - 10.1007/s11661-012-1105-9

DO - 10.1007/s11661-012-1105-9

M3 - Article

AN - SCOPUS:84864613267

VL - 43

SP - 2680

EP - 2686

JO - Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

JF - Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

SN - 1073-5623

IS - 8

ER -