Favorable microstructural modulation and enhancement of mechanical properties of Ti-Fe-Nb ultrafine composites

J. M. Park; J. H. Han; K. B. Kim; N. Mattern; J. Eckert; D. H. Kim

doi:10.1080/09500830903236020

Favorable microstructural modulation and enhancement of mechanical properties of Ti-Fe-Nb ultrafine composites

J. M. Park, J. H. Han, K. B. Kim, N. Mattern, J. Eckert, D. H. Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

Microstructure evolution and its influence on the mechanical properties of (Ti65.5Fe34.5)100-xNbx (x = 0, 3, 5 and 7) ultrafine composites has been investigated. The Nb-containing alloys exhibit simultaneously improved compressive mechanical properties, i.e. high yield (1.9-2.2 GPa) and fracture (2.2-2.6 GPa) strength together with large plasticity (6-13%), due to a favorable modulation of their ultrafine eutectic microstructure. The enhanced mechanical properties are strongly related to the length-scale, volume fraction and distribution of proeutectic phase as well as to the refinement and interphase coherency of the alternating ultrafine eutectic layers.

Original language	English
Pages (from-to)	623-632
Number of pages	10
Journal	Philosophical Magazine Letters
Volume	89
Issue number	10
DOIs	https://doi.org/10.1080/09500830903236020
Publication status	Published - 2009 Oct

Bibliographical note

Funding Information:
The authors would like to thank S. Pauly, Dr. R. Li and G. Wang for providing technical assistance and stimulating discussions. This work was supported by the Global Research Laboratory Program of the Korea Ministry of Education, Science and Technology.

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1080/09500830903236020

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title = "Favorable microstructural modulation and enhancement of mechanical properties of Ti-Fe-Nb ultrafine composites",

abstract = "Microstructure evolution and its influence on the mechanical properties of (Ti65.5Fe34.5)100-xNbx (x = 0, 3, 5 and 7) ultrafine composites has been investigated. The Nb-containing alloys exhibit simultaneously improved compressive mechanical properties, i.e. high yield (1.9-2.2 GPa) and fracture (2.2-2.6 GPa) strength together with large plasticity (6-13%), due to a favorable modulation of their ultrafine eutectic microstructure. The enhanced mechanical properties are strongly related to the length-scale, volume fraction and distribution of proeutectic phase as well as to the refinement and interphase coherency of the alternating ultrafine eutectic layers.",

author = "Park, {J. M.} and Han, {J. H.} and Kim, {K. B.} and N. Mattern and J. Eckert and Kim, {D. H.}",

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AU - Park, J. M.

AU - Han, J. H.

AU - Kim, K. B.

AU - Mattern, N.

AU - Eckert, J.

AU - Kim, D. H.

N1 - Funding Information: The authors would like to thank S. Pauly, Dr. R. Li and G. Wang for providing technical assistance and stimulating discussions. This work was supported by the Global Research Laboratory Program of the Korea Ministry of Education, Science and Technology.

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N2 - Microstructure evolution and its influence on the mechanical properties of (Ti65.5Fe34.5)100-xNbx (x = 0, 3, 5 and 7) ultrafine composites has been investigated. The Nb-containing alloys exhibit simultaneously improved compressive mechanical properties, i.e. high yield (1.9-2.2 GPa) and fracture (2.2-2.6 GPa) strength together with large plasticity (6-13%), due to a favorable modulation of their ultrafine eutectic microstructure. The enhanced mechanical properties are strongly related to the length-scale, volume fraction and distribution of proeutectic phase as well as to the refinement and interphase coherency of the alternating ultrafine eutectic layers.

AB - Microstructure evolution and its influence on the mechanical properties of (Ti65.5Fe34.5)100-xNbx (x = 0, 3, 5 and 7) ultrafine composites has been investigated. The Nb-containing alloys exhibit simultaneously improved compressive mechanical properties, i.e. high yield (1.9-2.2 GPa) and fracture (2.2-2.6 GPa) strength together with large plasticity (6-13%), due to a favorable modulation of their ultrafine eutectic microstructure. The enhanced mechanical properties are strongly related to the length-scale, volume fraction and distribution of proeutectic phase as well as to the refinement and interphase coherency of the alternating ultrafine eutectic layers.

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Favorable microstructural modulation and enhancement of mechanical properties of Ti-Fe-Nb ultrafine composites

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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