Saikumaran Ayyappan

Works (4)

Updated: December 22nd, 2025 07:24

2025 article

Defect interactions with the microstructure in multi-principal element alloys and the role of phase separation and precipitation

Selim, F. A., Liedke, M. O., Ayyappan, S., Chung, T., Butterling, M., Agarwal, S., … Kaoumi, D. (2025, December 17). Npj Materials Degradation.

By: F. Selim *, M. Liedke *, S. Ayyappan n, T. Chung *, M. Butterling *, S. Agarwal *, G. Beausoleil *, K. Hattar *, A. Wagner *, D. Kaoumi n 

topics (OpenAlex): Fusion materials and technologies; Muon and positron interactions and applications; High Entropy Alloys Studies
Sources: NC State University Libraries, NC State University Libraries
Added: December 19, 2025

2025 article

Effect of Al addition to the multi-principal elemental AlxCrFeNiCu alloy system in terms of the resulting microstructure and ion irradiation response

Ayyappan, S., Forrester, J. S., Selim, F., Beausoleil, G., & Kaoumi, D. (2025, May 9). Journal of Alloys and Compounds, Vol. 1031.

By: S. Ayyappan n, J. Forrester n, F. Selim *, G. Beausoleil * & D. Kaoumi n 

author keywords: Multi-principal element alloys; Irradiation; Phase transformations; Order/disorder
topics (OpenAlex): High-Temperature Coating Behaviors; High Entropy Alloys Studies; Nuclear Materials and Properties
Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 9, 2025

2025 article

Irradiation induced martensitic transformation and ordering in AlxFeCrNiMn multi-principal elemental alloys

Ayyappan, S., & Kaoumi, D. (2025, May 9). Materials Characterization, Vol. 225.

By: S. Ayyappan n & D. Kaoumi n 

author keywords: Multi-principal elemental alloy; High entropy alloy; Irradiation; Ordering; Martensitic transformation
topics (OpenAlex): Intermetallics and Advanced Alloy Properties; High Temperature Alloys and Creep; Additive Manufacturing Materials and Processes; High Entropy Alloys Studies; Shape Memory Alloy Transformations
Sources: Web Of Science, NC State University Libraries
Added: June 16, 2025

2025 article

Point Defects in MoNbTi-Based Refractory Multi-Principal-Element Alloys

Chung, T., Liedke, M. O., Ayyappan, S., Butterling, M., Ferguson, R. C., Jones, A. C. L., … Selim, F. A. (2025, September 6). Metals, Vol. 15.

By: T. Chung *, M. Liedke *, S. Ayyappan n, M. Butterling *, R. Ferguson*, A. Jones *, A. Wagner *, K. Hattar *, D. Kaoumi n , F. Selim *

author keywords: chemical complexity; nanotwinning; phase fractions; positron annihilation spectroscopy; transmission electron microscopy
topics (OpenAlex): Intermetallics and Advanced Alloy Properties; High Entropy Alloys Studies; MXene and MAX Phase Materials
Sources: Web Of Science, NC State University Libraries
Added: October 7, 2025

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