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Open AccessArticle

Plasticity Enhancement by Fe-Addition on NiAl Alloy: A Synchrotron X-ray Diffraction Mapping and Molecular Dynamics Simulation Study

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Department of Materials Science and Engineering, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
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Materials and Chemistry Laboratories, Industrial Technology Research Institute, Hsinchu 31057, Taiwan
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Department of Mechanical Engineering, National Cheng Kung University, 1 University Road, Tainan City 70101, Taiwan
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Department of Chemical & Materials Engineering, National Central University, Taoyuan 32001, Taiwan
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National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
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Department of Materials Science and Engineering, University of Tennessee, Knoxville, TN 37996, USA
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Instrument and Source Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
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Department of Materials Science and Engineering, Indian Institute of Technology, New Delhi 110016, India
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Department of Materials Science and Engineering, McCormick School of Engineering and Applied Science, Northwestern University, Evanston, IL 60208, USA
*
Author to whom correspondence should be addressed.
Deceased.
Quantum Beam Sci. 2018, 2(3), 18; https://doi.org/10.3390/qubs2030018
Received: 6 June 2018 / Revised: 3 August 2018 / Accepted: 13 September 2018 / Published: 19 September 2018
(This article belongs to the Special Issue Strain, Stress and Texture Analysis with Quantum Beams)
Unalloyed nickel aluminide has important applications but lacks ductility at room temperature. In this study, iron-added nickel aluminide alloys exhibit plasticity enhancement. The nickel aluminide alloys are prepared with different iron contents (0, 0.25, and 1 at%) to study their plasticity. The indentation-induced deformed areas are mapped by the synchrotron X-ray diffraction to compare their plastic zones. A complimentary tight binding calculation and generalized embedded atom method demonstrate how the Fe-addition enhances the plasticity of the iron-added nickel aluminide alloys. View Full-Text
Keywords: synchrotron diffraction; metal and alloys; plastic behavior; microstructure; molecular dynamics simulation synchrotron diffraction; metal and alloys; plastic behavior; microstructure; molecular dynamics simulation
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Huang, E.-W.; Lam, T.-N.; Chang, I.-L.; Hong, W.-J.; Lin, T.-Y.; Su, C.-J.; Liaw, P.K.; Santodonato, L.; Jayant, J.; Fine, M.E. Plasticity Enhancement by Fe-Addition on NiAl Alloy: A Synchrotron X-ray Diffraction Mapping and Molecular Dynamics Simulation Study. Quantum Beam Sci. 2018, 2, 18.

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