Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (3/3 displayed)

  • 2023Author Correction: A quinary WTaCrVHf nanocrystalline refractory high-entropy alloy withholding extreme irradiation environments2citations
  • 2023A quinary WTaCrVHf nanocrystalline refractory high-entropy alloy withholding extreme irradiation environments76citations
  • 2021Helium implantation damage resistance in nanocrystalline W-Ta-V-Cr high entropy alloys66citations

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Chart of shared publication
El-Atwani, Osman
1 / 6 shared
Poplawsky, J. D.
1 / 3 shared
Wróbel, J. S.
1 / 4 shared
Chen, W. Y.
1 / 1 shared
Tukac, O. U.
2 / 3 shared
Alvarado, Andrew M.
1 / 2 shared
Nguyen-Manh, D.
1 / 17 shared
Fensin, Saryu
1 / 3 shared
Vo, H. T.
2 / 2 shared
Kohnert, A. A.
1 / 1 shared
Gigax, J.
2 / 2 shared
Li, Man
1 / 2 shared
Krienke, N.
2 / 2 shared
Aydogan, E.
2 / 3 shared
Martinez, Enrique
1 / 7 shared
Lee, Changgu
1 / 2 shared
Wang, Y. Q.
1 / 6 shared
Tunes, Matheus Araujo
2 / 34 shared
Nguyen-Manh, Duc
1 / 11 shared
Wróbel, Jan S.
1 / 9 shared
Wang, Yongqiang
1 / 4 shared
Fensin, S.
2 / 3 shared
Martinez, E.
2 / 12 shared
Li, M.
1 / 37 shared
Lee, C.
1 / 8 shared
Chen, W.-Y.
1 / 1 shared
Hinks, Jonathan
1 / 14 shared
Unal, K.
1 / 1 shared
Maloy, S. A.
1 / 6 shared
Greaves, Graeme
1 / 26 shared
El-Atwani, O.
1 / 4 shared
Alvarado, A.
1 / 1 shared
Chart of publication period
2023
2021

Co-Authors (by relevance)

  • El-Atwani, Osman
  • Poplawsky, J. D.
  • Wróbel, J. S.
  • Chen, W. Y.
  • Tukac, O. U.
  • Alvarado, Andrew M.
  • Nguyen-Manh, D.
  • Fensin, Saryu
  • Vo, H. T.
  • Kohnert, A. A.
  • Gigax, J.
  • Li, Man
  • Krienke, N.
  • Aydogan, E.
  • Martinez, Enrique
  • Lee, Changgu
  • Wang, Y. Q.
  • Tunes, Matheus Araujo
  • Nguyen-Manh, Duc
  • Wróbel, Jan S.
  • Wang, Yongqiang
  • Fensin, S.
  • Martinez, E.
  • Li, M.
  • Lee, C.
  • Chen, W.-Y.
  • Hinks, Jonathan
  • Unal, K.
  • Maloy, S. A.
  • Greaves, Graeme
  • El-Atwani, O.
  • Alvarado, A.
OrganizationsLocationPeople

article

Helium implantation damage resistance in nanocrystalline W-Ta-V-Cr high entropy alloys

  • Baldwin, J. K. S.
  • Hinks, Jonathan
  • Martinez, E.
  • Unal, K.
  • Maloy, S. A.
  • Fensin, S.
  • Greaves, Graeme
  • El-Atwani, O.
  • Alvarado, A.
Abstract

<p>Nanocrystalline W-Ta-Cr-V high entropy alloys have shown promising properties as nuclear fusion materials with enhanced radiation resistance to heavy ion irradiation and negligible radiation hardening. In this work, we investigate the performance of the alloy under low energy helium (He) implantation up to a fluence of 1.25 × 10<sup>17</sup> cm<sup>−2</sup> at 1223 K. We observe a uniform high density of very small (~2–3 nm) bubbles grown at a slow rate along with enhanced He bubble damage resistance, further marked by no preferential bubble formation on the grain boundaries, even at much higher fluences compared to previously implanted tungsten grades. First principle calculations of He formation and migration energies in this alloy indicate deep energetic wells on the potential landscape and low diffusivity of He compared to pure W. The results imply higher overall (considering both grain matrices and grain boundaries) implantation resistance due to slow He diffusion and accumulation, and confirm the enhanced vacancy-self interstitial recombination argument in these alloys.</p>

Topics
  • density
  • grain
  • interstitial
  • tungsten
  • diffusivity
  • vacancy