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    Synthesis and characterization of epoxy composites filled with Pb, Bi or W compound for shielding of diagnostic x-rays

    Access Status
    Fulltext not available
    Authors
    Noor Azman, N.
    Siddiqui, Salim
    Low, I.
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Noor Azman, N. and Siddiqui, S. and Low, I. 2013. Synthesis and characterization of epoxy composites filled with Pb, Bi or W compound for shielding of diagnostic x-rays. Applied Physics A: Materials Science and Processing. 110 (1): pp. 137-144.
    Source Title
    Applied Physics A: Materials Science and Processing
    DOI
    10.1007/s00339-012-7464-7
    ISSN
    0947-8396
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/14773
    Collection
    • Curtin Research Publications
    Abstract

    Lead chloride, bismuth oxide and tungsten oxide filled epoxy composites with different weight fractions were fabricated to investigate their x-ray transmission characteristics in the x-ray diagnostic imaging energy range (40–127 kV) by using a conventional laboratory x-ray machine. Characterizations of the microstructure properties of the synthesized composites were performed using synchrotron radiation diffraction, backscattered electron imaging microscopy, three-point bend test and Rockwell hardness test. As expected, the x-ray transmission was decreased by the increment of the filler loading. Meanwhile, the flexural modulus and hardness of the composites were increased through an increase in filler loading. However, the flexural strength showed a marked decrease with the increment of filler loading (≥30 wt%). Some agglomerations were observed for the composites having ≥50 wt% of filler.

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