Basic criteria for formation of growth twins in high stacking fault energy metals

K. Y. Yu; D. Bufford; Y. Chen; Y. Liu; H. Wang; X. Zhang

doi:10.1063/1.4826917

Basic criteria for formation of growth twins in high stacking fault energy metals

K. Y. Yu, D. Bufford, Y. Chen, Y. Liu, H. Wang, X. Zhang

Chemical Engineering and Materials Science

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

16 Scopus citations

Abstract

Nanotwinned metals received significant interest lately as twin boundaries may enable simultaneous enhancement of strength, ductility, thermal stability, and radiation tolerance. However, nanotwins have been the privilege of metals with low-to-intermediate stacking fault energy (SFE). Recent scattered studies show that nanotwins could be introduced into high SFE metals, such as Al. In this paper, we examine several sputter-deposited, {111} textured Ag/Al, Cu/Ni, and Cu/Fe multilayers, wherein growth twins were observed in Al, Ni, and face-centered cubic (fcc) Fe. The comparisons lead to two important design criteria that dictate the introduction of growth twins in high SFE metals. The validity of these criteria was then examined in Ag/Ni multilayers. Furthermore, another twin formation mechanism in high SFE metals was discovered in Ag/Ni system.

Original language	English (US)
Article number	181903
Journal	Applied Physics Letters
Volume	103
Issue number	18
DOIs	https://doi.org/10.1063/1.4826917
State	Published - Oct 28 2013

Bibliographical note

Funding Information:
The work on twinning in Al was supported by DoE-OBES under Grant No. DE-SC0010482. The work on Cu/Fe and Cu/Ni multilayer was partially supported by NSF-CMMI under Grant No. 1129065. Access to DOE-Center for Integrated Nanotechnologies (CINT) at Los Alamos and Sandia National Laboratories and Microscopy and Imaging Center at Texas A&M University is also acknowledged.

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title = "Basic criteria for formation of growth twins in high stacking fault energy metals",

abstract = "Nanotwinned metals received significant interest lately as twin boundaries may enable simultaneous enhancement of strength, ductility, thermal stability, and radiation tolerance. However, nanotwins have been the privilege of metals with low-to-intermediate stacking fault energy (SFE). Recent scattered studies show that nanotwins could be introduced into high SFE metals, such as Al. In this paper, we examine several sputter-deposited, {111} textured Ag/Al, Cu/Ni, and Cu/Fe multilayers, wherein growth twins were observed in Al, Ni, and face-centered cubic (fcc) Fe. The comparisons lead to two important design criteria that dictate the introduction of growth twins in high SFE metals. The validity of these criteria was then examined in Ag/Ni multilayers. Furthermore, another twin formation mechanism in high SFE metals was discovered in Ag/Ni system.",

author = "Yu, {K. Y.} and D. Bufford and Y. Chen and Y. Liu and H. Wang and X. Zhang",

note = "Funding Information: The work on twinning in Al was supported by DoE-OBES under Grant No. DE-SC0010482. The work on Cu/Fe and Cu/Ni multilayer was partially supported by NSF-CMMI under Grant No. 1129065. Access to DOE-Center for Integrated Nanotechnologies (CINT) at Los Alamos and Sandia National Laboratories and Microscopy and Imaging Center at Texas A&M University is also acknowledged.",

year = "2013",

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doi = "10.1063/1.4826917",

language = "English (US)",

volume = "103",

journal = "Applied Physics Letters",

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AU - Yu, K. Y.

AU - Bufford, D.

AU - Chen, Y.

AU - Liu, Y.

AU - Wang, H.

AU - Zhang, X.

N1 - Funding Information: The work on twinning in Al was supported by DoE-OBES under Grant No. DE-SC0010482. The work on Cu/Fe and Cu/Ni multilayer was partially supported by NSF-CMMI under Grant No. 1129065. Access to DOE-Center for Integrated Nanotechnologies (CINT) at Los Alamos and Sandia National Laboratories and Microscopy and Imaging Center at Texas A&M University is also acknowledged.

PY - 2013/10/28

Y1 - 2013/10/28

N2 - Nanotwinned metals received significant interest lately as twin boundaries may enable simultaneous enhancement of strength, ductility, thermal stability, and radiation tolerance. However, nanotwins have been the privilege of metals with low-to-intermediate stacking fault energy (SFE). Recent scattered studies show that nanotwins could be introduced into high SFE metals, such as Al. In this paper, we examine several sputter-deposited, {111} textured Ag/Al, Cu/Ni, and Cu/Fe multilayers, wherein growth twins were observed in Al, Ni, and face-centered cubic (fcc) Fe. The comparisons lead to two important design criteria that dictate the introduction of growth twins in high SFE metals. The validity of these criteria was then examined in Ag/Ni multilayers. Furthermore, another twin formation mechanism in high SFE metals was discovered in Ag/Ni system.

AB - Nanotwinned metals received significant interest lately as twin boundaries may enable simultaneous enhancement of strength, ductility, thermal stability, and radiation tolerance. However, nanotwins have been the privilege of metals with low-to-intermediate stacking fault energy (SFE). Recent scattered studies show that nanotwins could be introduced into high SFE metals, such as Al. In this paper, we examine several sputter-deposited, {111} textured Ag/Al, Cu/Ni, and Cu/Fe multilayers, wherein growth twins were observed in Al, Ni, and face-centered cubic (fcc) Fe. The comparisons lead to two important design criteria that dictate the introduction of growth twins in high SFE metals. The validity of these criteria was then examined in Ag/Ni multilayers. Furthermore, another twin formation mechanism in high SFE metals was discovered in Ag/Ni system.

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Basic criteria for formation of growth twins in high stacking fault energy metals

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