Deformation behavior of Nb nanowires in TiNiCu shape memory alloy matrix

Daqiang Jiang, Yinong Liu, C. Yu, W. Liu, Hong Yang, X. Jiang, Y. Ren, L. Cui

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7 Citations (Web of Science)
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© 2015 Elsevier B.V. An in-situ nanowire Nb/TiNiCu composite is fabricated based on the concept of strain under-matching between a phase transforming matrix and high strength nanomaterials. The deformation behavior of the Nb nanowire was investigated by means of in-situ synchrotron X-ray diffraction when the TiNiCu matrix underwent different deformation modes. The maximum lattice strain of the Nb nanowires was about 5% when the matrix deformed via martensitic transformation or 1% when deforming plastically by dislocation slip. The Nb nanowires showed a lattice strain of 3.5% when the matrix deformed in the mixed mode of plastic deformation and martensitic transformation, which means that the occurrence of plastic deformation does not impede load transfer from the matrix to the nanowires.
Original languageEnglish
Pages (from-to)52-56
JournalMaterials Science and Engineering A
Publication statusPublished - 14 Oct 2015


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