期刊
MRS BULLETIN
卷 41, 期 4, 页码 286-291出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrs.2016.62
关键词
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资金
- Division of Materials Science and Engineering, Office of Basic Energy Sciences, US Department of Energy
- US Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
- DoE-OBES [DE-SC0010482]
- US Department of Energy [DE-AC52-07NA27344]
- Office of Basic Energy Sciences, Project FWP [06SCPE401]
- US DoE [W-7405-ENG-36]
- National Basic Research Program of China (973 Program) [2012CB932202]
- NSFC [51420105001, 51371171, 51471172]
- Hundreds of Talents Project from CAS
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. Understanding the synthesis process and its relation to the resulting microstructure, and ultimately to material properties, is key to understanding and utilizing these materials. This 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. Growth defects and other microstructural features that influence nanotwin behavior and stability are introduced here, and future challenges in fabricating NT materials are highlighted.
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