Texture development in Cu-Ag-Fe triphase immiscible nanocomposites with superior thermal stability

Tongjun Niu; Yifan Zhang; Zihao He; Tianyi Sun; Nicholas A. Richter; Haiyan Wang; Xinghang Zhang

doi:10.1016/j.actamat.2022.118545

Texture development in Cu-Ag-Fe triphase immiscible nanocomposites with superior thermal stability

Tongjun Niu, Yifan Zhang, Zihao He, Tianyi Sun, Nicholas A. Richter, Haiyan Wang, Xinghang Zhang

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

8 Scopus citations

Abstract

Nanocrystalline metals attract intensive interests due to their high strength, excellent wear resistance and superior radiation. However, grain coarsening at elevated temperatures can lead to significant property degradation, impairing their potentials for high temperature applications. Here, we report a unique interplay of immiscible Cu, Ag, Fe grains in stabilizing the grain structure and tailoring the texture development. The Cu₅₀Ag₅₀ alloy experiences drastic grain coarsening after annealing at 600 °C and 700 °C. In contrast, the Cu-Ag-Fe nanocomposites exhibit much smaller grain size upon annealing. Interestingly, while the Cu₅₀Ag₅₀ alloy displays random nanocrystal orientation, highly textured Cu-Ag-Fe nanocomposites form. Furthermore, the composition of Fe plays a dominant role in changing the texture of nanocomposites from (111) Ag (Cu) and (110) Fe in Cu₄₅Ag₄₅Fe₁₀, to prominent (110) Ag (Cu) and (100) Fe in Cu₃₃Ag₃₃Fe₃₄. The fundamental mechanisms behind the texture formation and evolution are discussed. This study provides a fresh perspective to the design of stable nanocomposites with tunable texture.

Original language	English
Article number	118545
Journal	Acta Materialia
Volume	244
DOIs	https://doi.org/10.1016/j.actamat.2022.118545
State	Published - Jan 1 2023
Externally published	Yes

Funding

We acknowledge the financial support by NSF-CMMI-MOM 2217727 . H. Wang acknowledges the support from the U.S. Office of Naval Research ( N00014–20–1-2043 ). Accesses to the Life Sciences Microscopy Center and Materials Science Microscopy Center at Purdue University are also acknowledged. We acknowledge the financial support by NSF-CMMI-MOM 2217727. H. Wang acknowledges the support from the U.S. Office of Naval Research (N00014–20–1-2043). Accesses to the Life Sciences Microscopy Center and Materials Science Microscopy Center at Purdue University are also acknowledged.

Keywords

Interface
Texture development
Triphase
Triple junctions

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10.1016/j.actamat.2022.118545

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title = "Texture development in Cu-Ag-Fe triphase immiscible nanocomposites with superior thermal stability",

abstract = "Nanocrystalline metals attract intensive interests due to their high strength, excellent wear resistance and superior radiation. However, grain coarsening at elevated temperatures can lead to significant property degradation, impairing their potentials for high temperature applications. Here, we report a unique interplay of immiscible Cu, Ag, Fe grains in stabilizing the grain structure and tailoring the texture development. The Cu50Ag50 alloy experiences drastic grain coarsening after annealing at 600 °C and 700 °C. In contrast, the Cu-Ag-Fe nanocomposites exhibit much smaller grain size upon annealing. Interestingly, while the Cu50Ag50 alloy displays random nanocrystal orientation, highly textured Cu-Ag-Fe nanocomposites form. Furthermore, the composition of Fe plays a dominant role in changing the texture of nanocomposites from (111) Ag (Cu) and (110) Fe in Cu45Ag45Fe10, to prominent (110) Ag (Cu) and (100) Fe in Cu33Ag33Fe34. The fundamental mechanisms behind the texture formation and evolution are discussed. This study provides a fresh perspective to the design of stable nanocomposites with tunable texture.",

keywords = "Interface, Texture development, Triphase, Triple junctions",

author = "Tongjun Niu and Yifan Zhang and Zihao He and Tianyi Sun and Richter, {Nicholas A.} and Haiyan Wang and Xinghang Zhang",

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doi = "10.1016/j.actamat.2022.118545",

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T1 - Texture development in Cu-Ag-Fe triphase immiscible nanocomposites with superior thermal stability

AU - Niu, Tongjun

AU - Zhang, Yifan

AU - He, Zihao

AU - Sun, Tianyi

AU - Richter, Nicholas A.

AU - Wang, Haiyan

AU - Zhang, Xinghang

PY - 2023/1/1

Y1 - 2023/1/1

N2 - Nanocrystalline metals attract intensive interests due to their high strength, excellent wear resistance and superior radiation. However, grain coarsening at elevated temperatures can lead to significant property degradation, impairing their potentials for high temperature applications. Here, we report a unique interplay of immiscible Cu, Ag, Fe grains in stabilizing the grain structure and tailoring the texture development. The Cu50Ag50 alloy experiences drastic grain coarsening after annealing at 600 °C and 700 °C. In contrast, the Cu-Ag-Fe nanocomposites exhibit much smaller grain size upon annealing. Interestingly, while the Cu50Ag50 alloy displays random nanocrystal orientation, highly textured Cu-Ag-Fe nanocomposites form. Furthermore, the composition of Fe plays a dominant role in changing the texture of nanocomposites from (111) Ag (Cu) and (110) Fe in Cu45Ag45Fe10, to prominent (110) Ag (Cu) and (100) Fe in Cu33Ag33Fe34. The fundamental mechanisms behind the texture formation and evolution are discussed. This study provides a fresh perspective to the design of stable nanocomposites with tunable texture.

AB - Nanocrystalline metals attract intensive interests due to their high strength, excellent wear resistance and superior radiation. However, grain coarsening at elevated temperatures can lead to significant property degradation, impairing their potentials for high temperature applications. Here, we report a unique interplay of immiscible Cu, Ag, Fe grains in stabilizing the grain structure and tailoring the texture development. The Cu50Ag50 alloy experiences drastic grain coarsening after annealing at 600 °C and 700 °C. In contrast, the Cu-Ag-Fe nanocomposites exhibit much smaller grain size upon annealing. Interestingly, while the Cu50Ag50 alloy displays random nanocrystal orientation, highly textured Cu-Ag-Fe nanocomposites form. Furthermore, the composition of Fe plays a dominant role in changing the texture of nanocomposites from (111) Ag (Cu) and (110) Fe in Cu45Ag45Fe10, to prominent (110) Ag (Cu) and (100) Fe in Cu33Ag33Fe34. The fundamental mechanisms behind the texture formation and evolution are discussed. This study provides a fresh perspective to the design of stable nanocomposites with tunable texture.

KW - Interface

KW - Texture development

KW - Triphase

KW - Triple junctions

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JO - Acta Materialia

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ER -

Texture development in Cu-Ag-Fe triphase immiscible nanocomposites with superior thermal stability

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