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Related Concept Videos

Nuclear Power02:36

Nuclear Power

8.7K
Controlled nuclear fission reactions are used to generate electricity. Any nuclear reactor that produces power via the fission of uranium or plutonium by bombardment with neutrons has six components: nuclear fuel consisting of fissionable material, a nuclear moderator, a neutron source, control rods, reactor coolant, and a shield and containment system.
Nuclear Fuels
Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...
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Diamagnetic Shielding of Nuclei: Local Diamagnetic Current01:14

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An applied magnetic field causes the electrons present in the molecule to circulate, setting up a local diamagnetic current within the molecule. The local diamagnetic current arising from circulating sigma-bonding electrons induces a magnetic field, Blocal that opposes the applied magnetic field, B0. The effective magnetic field experienced by these nuclei is given by the difference between the applied and local magnetic fields in a phenomenon called local diamagnetic shielding. Essentially,...
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Disentangling High Strength Copolymer Aramid Fibers to Enable the Determination of Their Mechanical Properties
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Polymeric composite materials for radiation shielding: a review.

Chaitali V More1, Zainab Alsayed2, Mohamed S Badawi2

  • 1Department of Physics, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, MS India.

Environmental Chemistry Letters
|February 9, 2021
PubMed
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Advanced polymer composites offer effective radiation shielding solutions. This review highlights their synthesis, nanofiller roles, neutron absorption capabilities, and recycling potential for enhanced safety.

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Gamma radiationIonizing radiationPolymer composite materialsPolymer recycling and radiation shielding

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Area of Science:

  • Materials Science
  • Nuclear Engineering
  • Polymer Chemistry

Background:

  • Increasing use of radioactive elements leads to greater radioactive pollution.
  • Need for advanced, lightweight, and flexible materials for radiation protection is critical.
  • Polymers offer desirable mechanical, electrical, thermal, and multifunctional properties for shielding applications.

Purpose of the Study:

  • To review the synthesis of polymer materials specifically designed for radiation protection.
  • To focus on the crucial role of nanofillers in enhancing shielding effectiveness.
  • To explore the potential of polymer composites for absorbing fast neutrons and their recyclability.

Main Methods:

  • Literature review focusing on polymer synthesis for radiation shielding.
  • Analysis of the impact of various nanofillers on material properties.
  • Evaluation of neutron absorption characteristics of polymeric composites.
  • Investigation into the recycling processes for polymer-based radiation shielding materials.

Main Results:

  • Polymer composites incorporating high atomic number nanofillers demonstrate promising radiation shielding capabilities.
  • These materials offer a combination of low weight, flexibility, and good processability.
  • Effectiveness of polymeric materials in absorbing fast neutrons is discussed.
  • Recycling of polymers into advanced composites for radiation protection is feasible.

Conclusions:

  • Polymer composites represent a viable and advanced solution for radiation protection.
  • Nanofillers play a key role in optimizing the shielding performance of these materials.
  • The development and recycling of these composites contribute to safety and sustainability in environments with radioactive elements.