Enhancing thermal stability of Nb nanowires in a NiTiFe matrix via texture engineering

Yuxuan Chen; Yang Li; Suoqing Yu; Junsong Zhang; Shan Huang; Feihong Chu; Xiaobin Shi; Kaixuan Li; Zishu Lian; Daqiang Jiang; Yang Ren; Lishan Cui; Kaiyuan Yu

doi:10.1016/j.actamat.2024.120525

Enhancing thermal stability of Nb nanowires in a NiTiFe matrix via texture engineering

Yuxuan Chen, Yang Li, Suoqing Yu, Junsong Zhang^*, Shan Huang, Feihong Chu, Xiaobin Shi, Kaixuan Li, Zishu Lian, Daqiang Jiang, Yang Ren, Lishan Cui, Kaiyuan Yu^*

^*Corresponding author for this work

Department of Physics

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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Abstract

Metallic nanowires, renowned for their high strength and large elastic strain limits, have shown significant potential in rendering extraordinary structural and functional properties in composites. However, their integrity at high temperatures is often compromised due to fragmentation and spheroidization, processes driven by excess interfacial energy. Here, we demonstrate in a NiTiFe/Nb nanocomposite that the fragmentation and spheroidization of Nb nanowires can be significantly suppressed by tailoring the interfacial crystallographic orientation relationship between the nanowires and the matrix. By doping Fe into NiTi, we inhibit the typical deformation-induced amorphization of the NiTi-based matrix during severe deformation processing. The common (111)_NiTi//(110)_Nb texture is inherently suppressed and (110)_NiTiFe//(110)_Nb texture is formed instead. Such a change in texture allows Nb nanowires to retain their integrity up to 700 °C in the NiTiFe matrix, in contrast to the 550 °C in the counterparts. Simulation results indicate that the enhanced thermal stability of Nb nanowires is attributed to the reduced interfacial energy between (110)_NiTiFe and (110)_Nb. Additionally, Fe doping elevates the migration energy barrier for Nb diffusion, imposing further resistance to fragmentation and spheroidization. © 2024 Acta Materialia Inc.

Original language	English
Article number	120525
Journal	Acta Materialia
Volume	283
Online published	4 Nov 2024
DOIs	https://doi.org/10.1016/j.actamat.2024.120525
Publication status	Published - 15 Jan 2025

Funding

This work was supported by the National Natural Science Foundation of China (NSFC) (Grant No. 52371207, U23A20544 and 52401148), Natural Science Foundation of Hebei Province (Grant No. E2024203165 and E2024108007), Science and Technology Project of Xingtai (Grant 2023ZZ093), Science Research Project of Hebei Education Department (Grant BJK2024106), Youth Foundation and Innovative Project Application of Hebei Vocational University of Technology and Engineering. YR acknowledges financial supports from City University of Hong Kong (Grant CityU 9610533), Hong Kong SAR government under the Global STEM Professorship, and the Hong Kong Jockey Club under the JC STEM Lab of Energy and Materials Physics. The use of the Advanced Photon Source at Argonne National Laboratory was supported by the US Department of Energy, Office of Science and Office of Basic Energy Science, under contract No DE-AC02–06CH11357.

Research Keywords

Composites
Interface
Nanowires
Texture
Thermal stability

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title = "Enhancing thermal stability of Nb nanowires in a NiTiFe matrix via texture engineering",

abstract = "Metallic nanowires, renowned for their high strength and large elastic strain limits, have shown significant potential in rendering extraordinary structural and functional properties in composites. However, their integrity at high temperatures is often compromised due to fragmentation and spheroidization, processes driven by excess interfacial energy. Here, we demonstrate in a NiTiFe/Nb nanocomposite that the fragmentation and spheroidization of Nb nanowires can be significantly suppressed by tailoring the interfacial crystallographic orientation relationship between the nanowires and the matrix. By doping Fe into NiTi, we inhibit the typical deformation-induced amorphization of the NiTi-based matrix during severe deformation processing. The common (111)NiTi//(110)Nb texture is inherently suppressed and (110)NiTiFe//(110)Nb texture is formed instead. Such a change in texture allows Nb nanowires to retain their integrity up to 700 °C in the NiTiFe matrix, in contrast to the 550 °C in the counterparts. Simulation results indicate that the enhanced thermal stability of Nb nanowires is attributed to the reduced interfacial energy between (110)NiTiFe and (110)Nb. Additionally, Fe doping elevates the migration energy barrier for Nb diffusion, imposing further resistance to fragmentation and spheroidization. {\textcopyright} 2024 Acta Materialia Inc.",

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author = "Yuxuan Chen and Yang Li and Suoqing Yu and Junsong Zhang and Shan Huang and Feihong Chu and Xiaobin Shi and Kaixuan Li and Zishu Lian and Daqiang Jiang and Yang Ren and Lishan Cui and Kaiyuan Yu",

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doi = "10.1016/j.actamat.2024.120525",

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T1 - Enhancing thermal stability of Nb nanowires in a NiTiFe matrix via texture engineering

AU - Chen, Yuxuan

AU - Li, Yang

AU - Yu, Suoqing

AU - Zhang, Junsong

AU - Huang, Shan

AU - Chu, Feihong

AU - Shi, Xiaobin

AU - Li, Kaixuan

AU - Lian, Zishu

AU - Jiang, Daqiang

AU - Ren, Yang

AU - Cui, Lishan

AU - Yu, Kaiyuan

PY - 2025/1/15

Y1 - 2025/1/15

N2 - Metallic nanowires, renowned for their high strength and large elastic strain limits, have shown significant potential in rendering extraordinary structural and functional properties in composites. However, their integrity at high temperatures is often compromised due to fragmentation and spheroidization, processes driven by excess interfacial energy. Here, we demonstrate in a NiTiFe/Nb nanocomposite that the fragmentation and spheroidization of Nb nanowires can be significantly suppressed by tailoring the interfacial crystallographic orientation relationship between the nanowires and the matrix. By doping Fe into NiTi, we inhibit the typical deformation-induced amorphization of the NiTi-based matrix during severe deformation processing. The common (111)NiTi//(110)Nb texture is inherently suppressed and (110)NiTiFe//(110)Nb texture is formed instead. Such a change in texture allows Nb nanowires to retain their integrity up to 700 °C in the NiTiFe matrix, in contrast to the 550 °C in the counterparts. Simulation results indicate that the enhanced thermal stability of Nb nanowires is attributed to the reduced interfacial energy between (110)NiTiFe and (110)Nb. Additionally, Fe doping elevates the migration energy barrier for Nb diffusion, imposing further resistance to fragmentation and spheroidization. © 2024 Acta Materialia Inc.

AB - Metallic nanowires, renowned for their high strength and large elastic strain limits, have shown significant potential in rendering extraordinary structural and functional properties in composites. However, their integrity at high temperatures is often compromised due to fragmentation and spheroidization, processes driven by excess interfacial energy. Here, we demonstrate in a NiTiFe/Nb nanocomposite that the fragmentation and spheroidization of Nb nanowires can be significantly suppressed by tailoring the interfacial crystallographic orientation relationship between the nanowires and the matrix. By doping Fe into NiTi, we inhibit the typical deformation-induced amorphization of the NiTi-based matrix during severe deformation processing. The common (111)NiTi//(110)Nb texture is inherently suppressed and (110)NiTiFe//(110)Nb texture is formed instead. Such a change in texture allows Nb nanowires to retain their integrity up to 700 °C in the NiTiFe matrix, in contrast to the 550 °C in the counterparts. Simulation results indicate that the enhanced thermal stability of Nb nanowires is attributed to the reduced interfacial energy between (110)NiTiFe and (110)Nb. Additionally, Fe doping elevates the migration energy barrier for Nb diffusion, imposing further resistance to fragmentation and spheroidization. © 2024 Acta Materialia Inc.

KW - Composites

KW - Interface

KW - Nanowires

KW - Texture

KW - Thermal stability

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DO - 10.1016/j.actamat.2024.120525

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SN - 1359-6454

VL - 283

JO - Acta Materialia

JF - Acta Materialia

M1 - 120525

ER -

Enhancing thermal stability of Nb nanowires in a NiTiFe matrix via texture engineering

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