Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Complex precipitation pathways in multicomponent alloys.

Emmanuel Clouet1, Ludovic Laé, Thierry Epicier

  • 1Service de Recherches de Métallurgie Physique, CEA/Saclay, 91191 Gif-sur-Yvette, France. emmanuel.clouet@cea.fr

Nature Materials
|May 23, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Enhancing STEM Tomography via Generative Interpolation of Tilt Series for Nanoparticle Analysis.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·2026
Same author

A Reference Hydride Ratio Method for the Resolution of Al/Fe Peak Overlapping in Atom Probe Tomography Experiments.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada·2025
Same author

Improving the reliability of small- and wide-angle X-ray scattering measurements of anisotropic precipitates in metallic alloys using sample rotation.

Journal of applied crystallography·2024
Same author

Bringing atom probe tomography to transmission electron microscopes.

Nature communications·2024
Same author

Influence of device configuration and noise on a machine learning predictor for the selection of nanoparticle small-angle X-ray scattering models.

Acta crystallographica. Section A, Foundations and advances·2024
Same author

Protocrystallinity of Monodispersed Ultra-Small Templated Mesoporous Silica Nanoparticles.

Nanomaterials (Basel, Switzerland)·2024

Adding alloying elements like Scandium (Sc) and Zirconium (Zr) to Aluminum (Al) creates stronger metal precipitates. The study reveals Sc-rich cores and Zr-rich shells, enhancing nucleation and resisting coarsening for high-strength materials.

Area of Science:

  • Materials Science
  • Metallurgy
  • Computational Materials Science

Background:

  • Strengthening metals often involves alloying and controlling precipitate characteristics.
  • Precipitation in multicomponent alloys is complex, influenced by solute diffusivity and driving forces.

Purpose of the Study:

  • To investigate the precipitation behavior in Al-Zr-Sc alloys.
  • To elucidate the reasons behind enhanced nucleation and Ostwald ripening resistance in these alloys.

Main Methods:

  • Atomic simulations using first-principle calculations.
  • Complementary experimental approaches across various scales.

Main Results:

  • Revealed an inhomogeneous precipitate structure in Al-Zr-Sc alloys.

Related Experiment Videos

  • Identified Sc-rich cores and Zr-rich shells due to differential solute diffusivity.
  • Demonstrated faster Sc diffusion in the solid solution and limited diffusion within precipitates.

    • Conclusions:

    • The Sc-rich core and Zr-rich shell structure explains enhanced nucleation rates compared to binary Al-Sc alloys.
    • This unique structure confers superior resistance to Ostwald ripening.
    • These findings are crucial for developing advanced light, high-strength materials.