Evidence map›Paper›PMID 42905323›Full record

ArticleDiscover nano2026

In situ studies on radiation response of supersaturated NbCu alloy.

Debargha Paul, Adil Wazeer, Zhongxia Shang, Yinghang Liu, Chang Xia, Emiliano Flores, Vaibhav Singh, Yang Chen, Chang Liu, Wei-Ying Chen and 2 more

Abstract read
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In one paragraph

Article in Discover nano, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Debargha PaulSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA. debargha.mitun@gmail.com.
Adil WazeerSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Zhongxia ShangSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Yinghang LiuSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Chang XiaSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Emiliano FloresSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Vaibhav SinghSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Yang ChenSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Chang LiuSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.ORCID https://orcid.org/0009-0006-8509-3569
Wei-Ying ChenNuclear Engineering Division, Argonne National Laboratory, Argonne, IL, 60439, USA.
Haiyan WangSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Xinghang ZhangSchool of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA. xzhang98@purdue.edu.

Funding

National Science Foundation NSF-DMR-2210152Office of Naval Research N00014-17-1-2921
6 · The paper itself

Abstract

Immiscible metallic systems provide opportunities for controlling radiation-induced defect accumulation through defect-interface and defect-solute interactions; however, radiation-induced defect evolution in metastable supersaturated solid solutions remains comparatively less well understood. In this work, we have investigated the radiation response of a sputtered supersaturated Nb-15 at.% Cu alloy containing pre-existing grain boundary (GB) voids and Cu-rich precipitates using in situ 1 MeV Kr ion irradiation at room temperature up to ~2.30 dpa. In situ TEM observations reveal progressive shrinkage and elimination of pre-existing GB voids with increasing radiation dose, together with migration and absorption of irradiation-induced defect clusters at GBs. Post-irradiation HRSTEM and EDS analyses reveal the formation of nanovoids within the Nb-rich matrix accompanied by Cu segregation. Irradiation also induces compositional and structural evolution of the Cu-rich GB precipitates, which become more diffuse and discontinuous with reduced Cu concentration and predominantly BCC structures. These observations reveal the coupled nature of defect migration, void evolution, solute redistribution, and local phase evolution during irradiation of a nonequilibrium immiscible alloy. The findings improve the understanding of radiation-damage evolution in metastable immiscible systems and highlight the roles of GB defect sinks and solute-defect interactions in controlling radiation-induced microstructural evolution.

Indexed as

Defect sinksImmiscible systemsIn situ radiationNanovoids

Identifiers

PMID42905323
PMCPMC13687509

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