Influence of a bimodal eutectic structure on the plasticity of a (Ti 70.5 Fe29.5)91 Sn9 ultrafine composite

J. H. Han; K. B. Kim; S. Yi; J. M. Park; D. H. Kim; S. Pauly; J. Eckert

doi:10.1063/1.3029745

Influence of a bimodal eutectic structure on the plasticity of a (Ti _70.5 Fe_29.5)₉₁ Sn₉ ultrafine composite

J. H. Han, K. B. Kim, S. Yi, J. M. Park, D. H. Kim, S. Pauly, J. Eckert

Department of Materials Science and Engineering

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

40 Citations (Scopus)

Abstract

Systematic investigations on the microstructural evolution of a bimodal eutectic (Ti_70.5 Fe_29.5)₉₁ Sn₉ ultrafine composite containing Ti3 Sn dendrites upon compression reveal that local deformation of the dendrites dominates the early stage of deformation with a plastic strain of ε_p =5.8%. After further deformation (ε_p =10.2%), a wavy propagation of shear bands indicative of dissipation of the shear stress is caused by a rotation of the coarse eutectic structure along the interfaces of the bimodal eutectic structure.

Original language	English
Article number	201906
Journal	Applied Physics Letters
Volume	93
Issue number	20
DOIs	https://doi.org/10.1063/1.3029745
Publication status	Published - 2008

Bibliographical note

Funding Information:
This work was supported by the Korea Science and Engineering Foundation (KOSEF) (R01-2007-000-10549-0) and the Global Research Laboratory (GRL) Program of KEST. Additional support through the program “Promotionsförderung des Cusanuswerkes” is gratefully acknowledged.

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3029745

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abstract = "Systematic investigations on the microstructural evolution of a bimodal eutectic (Ti70.5 Fe29.5)91 Sn9 ultrafine composite containing Ti3 Sn dendrites upon compression reveal that local deformation of the dendrites dominates the early stage of deformation with a plastic strain of εp =5.8%. After further deformation (εp =10.2%), a wavy propagation of shear bands indicative of dissipation of the shear stress is caused by a rotation of the coarse eutectic structure along the interfaces of the bimodal eutectic structure.",

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AU - Kim, K. B.

AU - Yi, S.

AU - Park, J. M.

AU - Kim, D. H.

AU - Pauly, S.

AU - Eckert, J.

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