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Synthesis and microstructure of electrodeposited and sputtered nanotwinned face-centered-cubic metals

Journal Article · · MRS Bulletin
DOI:https://doi.org/10.1557/mrs.2016.62· OSTI ID:1304710
 [1];  [2];  [3];  [4]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. Chinese Academy of Sciences (CAS), Beijing (China)
The remarkable properties of nanotwinned (NT) face-centered-cubic (fcc) metals arise directly from twin boundaries, the structures of which can be initially determined by growth twinning during the deposition process. When we understand the synthesis process and its relation to the resulting microstructure, and ultimately to material properties, we realize how key it is to understanding and utilizing these materials. Furthermore, our article presents recent studies on electrodeposition and sputtering methods that produce a high density of nanoscale growth twins in fcc metals. Nanoscale growth twins tend to form spontaneously in monolithic and alloyed fcc metals with lower stacking-fault energies, while engineered approaches are necessary for fcc metals with higher stacking-fault energies. Finally, growth defects and other microstructural features that influence nanotwin behavior and stability are introduced here, and future challenges in fabricating NT materials are highlighted.
Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC04-94AL85000; AC52-06NA25396; AC52-07NA27344; SC0010482; W-7405-ENG-36
OSTI ID:
1304710
Alternate ID(s):
OSTI ID: 1341404
Report Number(s):
LA-UR--15-26739; SAND--2016-12516J
Journal Information:
MRS Bulletin, Journal Name: MRS Bulletin Journal Issue: 04 Vol. 41; ISSN applab; ISSN 0883-7694
Publisher:
Materials Research SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (7)

Microscale 3D Printing of Nanotwinned Copper journal December 2017
Heating Rate Dependence of the Mechanisms of Copper Pumping in Through-Silicon Vias journal November 2018
Effects of Ga Content on Dynamic Recrystallization and Mechanical Properties of High Strain Rate Rolled Mg–Ga Alloys journal July 2019
History-independent cyclic response of nanotwinned metals journal October 2017
Ultra-strong nanotwinned Al–Ni solid solution alloys with significant plasticity journal January 2018
High density of genuine growth twins in electrodeposited aluminum journal October 2019
Fundamentals of ultrafast laser–material interaction journal December 2016

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