期刊
NATURE COMMUNICATIONS
卷 6, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/ncomms6964
关键词
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资金
- Office of Basic Energy Sciences, US Department of Energy [DE-AC05-00OR22725]
- UT-Battelle
- LLC
- U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory [DE-AC02-06CH11357]
- DOE [DE-SC0004684]
- Innovative Processing and Technologies Program of the National Energy Technology Laboratory's (NETL) Strategic Center for Coal under the Research and Engineering Services (RES) [DE-FE-0004000]
- Extreme Science and Engineering Discovery Environment (XSEDE) [DMR120048]
- National Science Foundation [DMR-0909037, CMMI-0900291, CMMI-1100080]
- Department of Energy (DOE) Office of Nuclear Energy's Nuclear Energy University Programs (NEUP) [00119262]
- DOE Office of Fossil Energy, NETL [DE-FE0008855, DE-FE-0011194]
- NSF
- University of Tennessee
- U.S. Army Office Project [W911NF-13-1-0438]
- United States Government
The alloy-design strategy of combining multiple elements in near-equimolar ratios has shown great potential for producing exceptional engineering materials, often known as 'high-entropy alloys'. Understanding the elemental distribution, and, thus, the evolution of the configurational entropy during solidification, is undertaken in the present study using the Al1.3CoCr-CuFeNi model alloy. Here we show that, even when the material undergoes elemental segregation, precipitation, chemical ordering and spinodal decomposition, a significant amount of disorder remains, due to the distributions of multiple elements in the major phases. The results suggest that the high-entropy alloy-design strategy may be applied to a wide range of complex materials, and should not be limited to the goal of creating single-phase solid solutions.
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