Microscopic nuclear fuel particles from Chernobyl still intact after 40 years

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Microscopic nuclear fuel particles from Chernobyl still intact after 40 years

https://interestingengineering.com/science/chernobyl-nuclear-fuel-particles-remain-stable

[Core Content]

Chernobyl nuclear fuel particles remain stable 40 years after disaster

Researchers analyzing microscopic radioactive particles from the Chernobyl disaster found that their original uranium fuel structures remain largely intact after forty years. The study reveals that these distinct chemical forms weather at different rates, influencing how radionuclides are released into the environment. Understanding these containment mechanisms helps specialists assess long-term contamination risks and weathering processes within the exclusion zone.

A study of six Chernobyl particles found their nuclear fuel structures largely intact after 40 years, shedding light on radionuclide release.

Forty years after explosions scattered radioactive debris from Chernobyl's reactor across the surrounding landscape, some microscopic fragments still preserve the crystal structure of their original nuclear fuel. A study of six particles from Ukraine found that the material remained more chemically stable than researchers had expected. Scientists at Germany's Leibniz University Hannover and Helmholtz-Zentrum Dresden-Rossendorf (HZDR) examined the fragments using synchrotron X-ray diffraction in...

Read the full article at Interesting Engineering:
https://interestingengineering.com/science/chernobyl-nuclear-fuel-particles-remain-stable