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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.

Authors:
;  [1]; ; ;  [1];  [1]
  1. Department of Materials Science and Engineering, Texas A and M University, College Station, Texas 77843 (United States)
Publication Date:
OSTI Identifier:
22217792
Resource Type:
Journal Article
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 103; Journal Issue: 18; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0003-6951
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; 36 MATERIALS SCIENCE; ALUMINIUM; DEPOSITION; DEPOSITS; DUCTILITY; FCC LATTICES; LAYERS; SPUTTERING; STACKING FAULTS; THIN FILMS

Citation Formats

Yu, K. Y., Zhang, X., Department of Mechanical Engineering, Texas A and M University, College Station, Texas 77843, Bufford, D., Chen, Y., Liu, Y., Wang, H., and Department of Electrical and Computer Engineering, Texas A and M University, College Station, Texas 77843. Basic criteria for formation of growth twins in high stacking fault energy metals. United States: N. p., 2013. Web. doi:10.1063/1.4826917.
Yu, K. Y., Zhang, X., Department of Mechanical Engineering, Texas A and M University, College Station, Texas 77843, Bufford, D., Chen, Y., Liu, Y., Wang, H., & Department of Electrical and Computer Engineering, Texas A and M University, College Station, Texas 77843. Basic criteria for formation of growth twins in high stacking fault energy metals. United States. https://doi.org/10.1063/1.4826917
Yu, K. Y., Zhang, X., Department of Mechanical Engineering, Texas A and M University, College Station, Texas 77843, Bufford, D., Chen, Y., Liu, Y., Wang, H., and Department of Electrical and Computer Engineering, Texas A and M University, College Station, Texas 77843. 2013. "Basic criteria for formation of growth twins in high stacking fault energy metals". United States. https://doi.org/10.1063/1.4826917.
@article{osti_22217792,
title = {Basic criteria for formation of growth twins in high stacking fault energy metals},
author = {Yu, K. Y. and Zhang, X. and Department of Mechanical Engineering, Texas A and M University, College Station, Texas 77843 and Bufford, D. and Chen, Y. and Liu, Y. and Wang, H. and Department of Electrical and Computer Engineering, Texas A and M University, College Station, Texas 77843},
abstractNote = {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.},
doi = {10.1063/1.4826917},
url = {https://www.osti.gov/biblio/22217792}, journal = {Applied Physics Letters},
issn = {0003-6951},
number = 18,
volume = 103,
place = {United States},
year = {Mon Oct 28 00:00:00 EDT 2013},
month = {Mon Oct 28 00:00:00 EDT 2013}
}