Single crystal plastic behavior of a single-phase, face-center-cubic-structured, equiatomic FeNiCrCo alloy
Abstract
To understand the fundamental deformation mechanisms of compositionally complex alloys, single crystals of a multi-component equiatomic FeNiCoCr alloy with face-centered cubic (FCC) structure were grown for mechanical studies. Similarly to typical FCC pure metals, slip trace analyses indicate that dislocation slips take place on (1 1 1) planes along [11¯0] directions. The critical resolved shear stress (CRSS) obeys the Schmid law at both 77 and 293 K, and tension–compression asymmetry is not observed. Although this material slips in a normal FCC manner both at 293 and 77 K, compared to typical FCC metals the CRSS’s strong temperature dependence is abnormal.
- Authors:
-
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1213350
- Alternate Identifier(s):
- OSTI ID: 1251488
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scripta Materialia
- Additional Journal Information:
- Journal Volume: 109; Journal Issue: 2015; Journal ID: ISSN 1359-6462
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Wu, Zhenggang, Gao, Y. F., and Bei, Hongbin. Single crystal plastic behavior of a single-phase, face-center-cubic-structured, equiatomic FeNiCrCo alloy. United States: N. p., 2015.
Web. doi:10.1016/j.scriptamat.2015.07.031.
Wu, Zhenggang, Gao, Y. F., & Bei, Hongbin. Single crystal plastic behavior of a single-phase, face-center-cubic-structured, equiatomic FeNiCrCo alloy. United States. https://doi.org/10.1016/j.scriptamat.2015.07.031
Wu, Zhenggang, Gao, Y. F., and Bei, Hongbin. Sat .
"Single crystal plastic behavior of a single-phase, face-center-cubic-structured, equiatomic FeNiCrCo alloy". United States. https://doi.org/10.1016/j.scriptamat.2015.07.031. https://www.osti.gov/servlets/purl/1213350.
@article{osti_1213350,
title = {Single crystal plastic behavior of a single-phase, face-center-cubic-structured, equiatomic FeNiCrCo alloy},
author = {Wu, Zhenggang and Gao, Y. F. and Bei, Hongbin},
abstractNote = {To understand the fundamental deformation mechanisms of compositionally complex alloys, single crystals of a multi-component equiatomic FeNiCoCr alloy with face-centered cubic (FCC) structure were grown for mechanical studies. Similarly to typical FCC pure metals, slip trace analyses indicate that dislocation slips take place on (1 1 1) planes along [11¯0] directions. The critical resolved shear stress (CRSS) obeys the Schmid law at both 77 and 293 K, and tension–compression asymmetry is not observed. Although this material slips in a normal FCC manner both at 293 and 77 K, compared to typical FCC metals the CRSS’s strong temperature dependence is abnormal.},
doi = {10.1016/j.scriptamat.2015.07.031},
journal = {Scripta Materialia},
number = 2015,
volume = 109,
place = {United States},
year = {Sat Jul 25 00:00:00 EDT 2015},
month = {Sat Jul 25 00:00:00 EDT 2015}
}
Web of Science
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