Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 928, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2022.167006
Keywords
Ultrafine lamellar structure; FeCrAl alloys; Mechanical property; High-entropy alloys
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Funding
- National Natural Science Foundation of China [52122103, 51971207]
- Sichuan Science and Technology Program [2022JDRC0085, 2021YJ0555]
- Open Project of Failure Mechanics and Engineering Disaster Prevention, Key Lab of Sichuan Province [FMEDP202202]
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Ultrafine lamellar-structured FeCrAl alloys with excellent mechanical properties were prepared by manipulating the content of Al1.8CrCuFeNi2 particles through spark plasma sintering and mechanical milling.
Ultrafine lamellar-structured FeCrAl alloys with excellent mechanical properties were prepared via ma-nipulating the content of Al1.8CrCuFeNi2 particles by spark plasma sintering and mechanical milling. The microstructure shows a typical lamellar-structured with some fine equiaxed grains. Interestingly, the ultrafine lamellar-structured FeCrAl alloys show an ultrahigh tensile strength of 1445 Mpa and 151 Mpa at RT and 800 degrees C, respectively, which improves by about 247 % and 321 % than FeCrAl alloys, as well as a good elongation of 5.9 % and 15.1 %. (c) 2022 Elsevier B.V. All rights reserved.
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