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

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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
State	Published - 2008

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AU - Kim, D. H.

AU - Pauly, S.

AU - Eckert, J.

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

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