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Deep Drawing Behavior of CoCrFeMnNi High-Entropy Alloys

Title
Deep Drawing Behavior of CoCrFeMnNi High-Entropy Alloys
Authors
Bae, Jae WungMoon, JongunJang, Min JiAhn, Dong-HyunJoo, Soo-HyunJung, JaimyunYim, DamiKim, Hyoung Seop
POSTECH Authors
Kim, Hyoung Seop
Date Issued
Sep-2017
Publisher
SPRINGER
Abstract
Herein, the deep drawability and deep drawing behavior of an equiatomic CoCrFeMnNi HEA and its microstructure and texture evolution are first studied for future applications. The CoCrFeMnNi HEA is successfully drawn to a limit drawing ratio (LDR) of 2.14, while the planar anisotropy of the drawn cup specimen is negligible. The moderate combination of strain hardening exponent and strain rate sensitivity and the formation of deformation twins in the edge region play important roles in successful deep drawing. In the meanwhile, the texture evolution of CoCrFeMnNi HEA has similarities with conventional fcc metals.
Keywords
MULTICOMPONENT ALLOYS; AUSTENITIC STEEL; GRAIN-SIZE; TEXTURE; MICROSTRUCTURE; DESIGN; SHEETS
URI
http://oasis.postech.ac.kr/handle/2014.oak/50430
DOI
10.1007/s11661-017-4189-4
ISSN
1073-5623
Article Type
Article
Citation
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, vol. 48A, no. 9, page. 4111 - 4120, 2017-09
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 KIM, HYOUNG SEOP
Dept of Materials Science & Enginrg
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