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Title: Yield strength prediction of high-entropy alloys using machine learning

Abstract

Yield strength at high temperature is an important parameter in the design and application of high entropy alloys (HEAs). However, the experimental measurement of yield strength at high temperature is quite costly, complicated, and time-consuming. Therefore, it is essential to identify and apply a robust method for the accurate prediction of yield strength at high temperature from the available experimental and simulation data. In this study, for the first time, a machine learning (ML) method based on the regression technique of random forest (RF) regressor is used to predict the yield strength of HEAs at the desired temperature. Further, the yield strengths of MoNbTaTiW and HfMoNbTaTiZr at 800 °C and 1200 °C, are predicted using the RF regressor model. We find that the results are consistent with the experimental reports, showing that the RF regressor model predicts the yield strength of HEAs at the desired temperatures with high accuracy.

Authors:
 [1];  [1];  [1]; ORCiD logo [1]
  1. Southern Univ. and A&M College, Baton Rouge, LA (United States)
Publication Date:
Research Org.:
Southern Univ. and A&M College, Baton Rouge, LA (United States)
Sponsoring Org.:
USDOE; USDOD
OSTI Identifier:
1865395
Alternate Identifier(s):
OSTI ID: 1781237
Grant/Contract Number:  
NA0003979; 1541079; LEQSF-EPS(2020)-SURE-237; LEQSF-EPS(2020)-SURE-242; W911NF1910005
Resource Type:
Accepted Manuscript
Journal Name:
Materials Today Communications
Additional Journal Information:
Journal Volume: 26; Journal ID: ISSN 2352-4928
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; High entropy alloys; Random forest model; Yield strength prediction; MoNbTaTiW; HfMoNbTaTiZr

Citation Formats

Bhandari, Uttam, Rafi, Md. Rumman, Zhang, Congyan, and Yang, Shizhong. Yield strength prediction of high-entropy alloys using machine learning. United States: N. p., 2020. Web. doi:10.1016/j.mtcomm.2020.101871.
Bhandari, Uttam, Rafi, Md. Rumman, Zhang, Congyan, & Yang, Shizhong. Yield strength prediction of high-entropy alloys using machine learning. United States. https://doi.org/10.1016/j.mtcomm.2020.101871
Bhandari, Uttam, Rafi, Md. Rumman, Zhang, Congyan, and Yang, Shizhong. Fri . "Yield strength prediction of high-entropy alloys using machine learning". United States. https://doi.org/10.1016/j.mtcomm.2020.101871. https://www.osti.gov/servlets/purl/1865395.
@article{osti_1865395,
title = {Yield strength prediction of high-entropy alloys using machine learning},
author = {Bhandari, Uttam and Rafi, Md. Rumman and Zhang, Congyan and Yang, Shizhong},
abstractNote = {Yield strength at high temperature is an important parameter in the design and application of high entropy alloys (HEAs). However, the experimental measurement of yield strength at high temperature is quite costly, complicated, and time-consuming. Therefore, it is essential to identify and apply a robust method for the accurate prediction of yield strength at high temperature from the available experimental and simulation data. In this study, for the first time, a machine learning (ML) method based on the regression technique of random forest (RF) regressor is used to predict the yield strength of HEAs at the desired temperature. Further, the yield strengths of MoNbTaTiW and HfMoNbTaTiZr at 800 °C and 1200 °C, are predicted using the RF regressor model. We find that the results are consistent with the experimental reports, showing that the RF regressor model predicts the yield strength of HEAs at the desired temperatures with high accuracy.},
doi = {10.1016/j.mtcomm.2020.101871},
journal = {Materials Today Communications},
number = ,
volume = 26,
place = {United States},
year = {Fri Nov 13 00:00:00 EST 2020},
month = {Fri Nov 13 00:00:00 EST 2020}
}

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