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DOE OSTI · 3027725

Irradiation Tailoring of Deformation-Induced Phase Transformations

Wharry, Janelle [Purdue Univ., West Lafayette, IN (United States)]
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Abstract

The objective of this project is to understand how irradiation enables deformation‐induced phase transformations in fcc metallic alloys. Low‐temperature deformation of face centered cubic (fcc) metals and alloys can occur through several modes, one of which is martensitic transformation, wherein fcc γ‐Fe austenite reverts to hexagonal close packed (hcp) ε‐ martensite or body centered cubic (bcc) α’‐martensite. Irradiation is believed to enhance the tendency for this transformation to occur, considering that irradiation similarly enhances other low‐temperature deformation modes such as dislocation channeling and deformation twinning. However, the mechanisms underlying the irradiation enhancement of martensitic transformations remain unknown.

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36 MATERIALS SCIENCE

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Wharry, Janelle [Purdue Univ., West Lafayette, IN (United States)]. 2026-04-07. Irradiation Tailoring of Deformation-Induced Phase Transformations. https://doi.org/10.2172/3027725

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36 MATERIALS SCIENCE↗