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Title: Weldability of a high entropy CrMnFeCoNi alloy

Abstract

We present the high-entropy alloys are unique alloys in which five or more elements are all in high concentrations. In order to determine its potential as a structural alloy, a model face-centered-cubic CrMnFeCoNi alloy was selected to investigate its weldability. Welds produced by electron beam welding show no cracking. The grain structures within the fusion zone (FZ) are controlled by the solidification behavior of the weld pool. The weldment possesses mechanical properties comparable to those of the base metal (BM) at both room and cryogenic temperatures. Finally, compared with the BM, deformation twinning was more pronounced in the FZ of the tested alloy.

Authors:
 [1];  [1];  [1]; ORCiD logo [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1329743
Alternate Identifier(s):
OSTI ID: 1359856
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Scripta Materialia
Additional Journal Information:
Journal Volume: 124; Journal Issue: C; Journal ID: ISSN 1359-6462
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; High entropy alloy; Weldability; Twinning; Microstructure

Citation Formats

Wu, Zhenggang, David, Stan A., Feng, Zhili, and Bei, Hongbin. Weldability of a high entropy CrMnFeCoNi alloy. United States: N. p., 2016. Web. doi:10.1016/j.scriptamat.2016.06.046.
Wu, Zhenggang, David, Stan A., Feng, Zhili, & Bei, Hongbin. Weldability of a high entropy CrMnFeCoNi alloy. United States. doi:10.1016/j.scriptamat.2016.06.046.
Wu, Zhenggang, David, Stan A., Feng, Zhili, and Bei, Hongbin. Tue . "Weldability of a high entropy CrMnFeCoNi alloy". United States. doi:10.1016/j.scriptamat.2016.06.046. https://www.osti.gov/servlets/purl/1329743.
@article{osti_1329743,
title = {Weldability of a high entropy CrMnFeCoNi alloy},
author = {Wu, Zhenggang and David, Stan A. and Feng, Zhili and Bei, Hongbin},
abstractNote = {We present the high-entropy alloys are unique alloys in which five or more elements are all in high concentrations. In order to determine its potential as a structural alloy, a model face-centered-cubic CrMnFeCoNi alloy was selected to investigate its weldability. Welds produced by electron beam welding show no cracking. The grain structures within the fusion zone (FZ) are controlled by the solidification behavior of the weld pool. The weldment possesses mechanical properties comparable to those of the base metal (BM) at both room and cryogenic temperatures. Finally, compared with the BM, deformation twinning was more pronounced in the FZ of the tested alloy.},
doi = {10.1016/j.scriptamat.2016.06.046},
journal = {Scripta Materialia},
number = C,
volume = 124,
place = {United States},
year = {2016},
month = {7}
}

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Cited by: 9 works
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