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<p>Novel dual-layered polymer composites for gamma shielding were fabricated using LSR and Bi/Gd₂O₃ fillers, with varying Gd₂O₃ concentrations in one layer and constant Bi in the other. This layered approach, scarcely explored, aims to enhance shielding through increased photon interactions and potentially accommodate higher filler loads without agglomeration. Material characterization (SEM, XRD, FTIR, UTM) confirmed layer adhesion, filler dispersion, physical interactions, and altered mechanical properties. Gamma attenuation studies revealed that increasing Gd₂O₃ enhances shielding parameters. Notably, the 6B4G composite exhibited comparable shielding to lead at 356&#xa0;keV and superior performance at 662&#xa0;keV, demonstrating its potential as a lightweight, flexible alternative.Author names: Please confirm if the author names are presented accurately and in the correct sequence (given name, middle name/initial, family name). Author 1 Given name: [Sherry Shajan] Last name [Kuttukaran].Yes, the authors names given are presented accurately and in the correct sequence</p>

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Fabrication and investigation of a novel bi-layered, silicone rubber-based composite as a promising radiation shield

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • Sherry Shajan Kuttukaran,
  • M. R. Ambika,
  • C. Siddaraju,
  • N. Nagaiah,
  • B. P. Srilakshmi,
  • Yeshwanth H. Reddy,
  • Parul Goel,
  • Sanjeev Kimothi,
  • Debabrata Ganguly,
  • Santanu Chattopadhyay,
  • S. Roopa

摘要

Novel dual-layered polymer composites for gamma shielding were fabricated using LSR and Bi/Gd₂O₃ fillers, with varying Gd₂O₃ concentrations in one layer and constant Bi in the other. This layered approach, scarcely explored, aims to enhance shielding through increased photon interactions and potentially accommodate higher filler loads without agglomeration. Material characterization (SEM, XRD, FTIR, UTM) confirmed layer adhesion, filler dispersion, physical interactions, and altered mechanical properties. Gamma attenuation studies revealed that increasing Gd₂O₃ enhances shielding parameters. Notably, the 6B4G composite exhibited comparable shielding to lead at 356 keV and superior performance at 662 keV, demonstrating its potential as a lightweight, flexible alternative.Author names: Please confirm if the author names are presented accurately and in the correct sequence (given name, middle name/initial, family name). Author 1 Given name: [Sherry Shajan] Last name [Kuttukaran].Yes, the authors names given are presented accurately and in the correct sequence