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Title: From Solidification Processing to Microstructure to Mechanical Properties: A Multi-scale X-ray Study of an Al-Cu Alloy Sample

Abstract

We follow an Al-12 at. pct Cu alloy sample from the liquid state to mechanical failure, using in situ X-ray radiography during directional solidification and tensile testing, as well as three-dimensional computed tomography of the microstructure before and after mechanical testing. The solidification processing stage is simulated with a multi-scale dendritic needle network model, and the micromechanical behavior of the solidified microstructure is simulated using voxelized tomography data and an elasto-viscoplastic fast Fourier transform model. This study demonstrates the feasibility of direct in situ monitoring of a metal alloy microstructure from the liquid processing stage up to its mechanical failure, supported by quantitative simulations of microstructure formation and its mechanical behavior.

Authors:
 [1];  [2];  [2];  [2];  [2];  [2];  [3];  [3];  [3];  [2];  [2];  [4]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); IMDEA Materials Inst., Getafe (Spain)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Colorado School of Mines, Golden, CO (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
OSTI Identifier:
1396122
Alternate Identifier(s):
OSTI ID: 1405300
Report Number(s):
LA-UR-17-21649
Journal ID: ISSN 1073-5623; TRN: US1702390
Grant/Contract Number:  
AC52-06NA25396; AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science
Additional Journal Information:
Journal Volume: 48; Journal Issue: 11; Journal ID: ISSN 1073-5623
Publisher:
ASM International
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Processing-Microstructure-Properties; Solidification; Mechanical testing; X-ray radiography and tomography; Mechanical Testing; X-ray Radiography; X-ray tomography

Citation Formats

Tourret, D., Mertens, J. C. E., Lieberman, E., Imhoff, S. D., Gibbs, J. W., Henderson, K., Fezzaa, K., Deriy, A. L., Sun, T., Lebensohn, R. A., Patterson, B. M., and Clarke, A. J. From Solidification Processing to Microstructure to Mechanical Properties: A Multi-scale X-ray Study of an Al-Cu Alloy Sample. United States: N. p., 2017. Web. doi:10.1007/s11661-017-4302-8.
Tourret, D., Mertens, J. C. E., Lieberman, E., Imhoff, S. D., Gibbs, J. W., Henderson, K., Fezzaa, K., Deriy, A. L., Sun, T., Lebensohn, R. A., Patterson, B. M., & Clarke, A. J. From Solidification Processing to Microstructure to Mechanical Properties: A Multi-scale X-ray Study of an Al-Cu Alloy Sample. United States. doi:10.1007/s11661-017-4302-8.
Tourret, D., Mertens, J. C. E., Lieberman, E., Imhoff, S. D., Gibbs, J. W., Henderson, K., Fezzaa, K., Deriy, A. L., Sun, T., Lebensohn, R. A., Patterson, B. M., and Clarke, A. J. Wed . "From Solidification Processing to Microstructure to Mechanical Properties: A Multi-scale X-ray Study of an Al-Cu Alloy Sample". United States. doi:10.1007/s11661-017-4302-8. https://www.osti.gov/servlets/purl/1396122.
@article{osti_1396122,
title = {From Solidification Processing to Microstructure to Mechanical Properties: A Multi-scale X-ray Study of an Al-Cu Alloy Sample},
author = {Tourret, D. and Mertens, J. C. E. and Lieberman, E. and Imhoff, S. D. and Gibbs, J. W. and Henderson, K. and Fezzaa, K. and Deriy, A. L. and Sun, T. and Lebensohn, R. A. and Patterson, B. M. and Clarke, A. J.},
abstractNote = {We follow an Al-12 at. pct Cu alloy sample from the liquid state to mechanical failure, using in situ X-ray radiography during directional solidification and tensile testing, as well as three-dimensional computed tomography of the microstructure before and after mechanical testing. The solidification processing stage is simulated with a multi-scale dendritic needle network model, and the micromechanical behavior of the solidified microstructure is simulated using voxelized tomography data and an elasto-viscoplastic fast Fourier transform model. This study demonstrates the feasibility of direct in situ monitoring of a metal alloy microstructure from the liquid processing stage up to its mechanical failure, supported by quantitative simulations of microstructure formation and its mechanical behavior.},
doi = {10.1007/s11661-017-4302-8},
journal = {Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science},
number = 11,
volume = 48,
place = {United States},
year = {2017},
month = {9}
}

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