Indian Journal of Physics

, 85:1393 | Cite as

Fabrication and characterization of epoxy/silica functionally graded composite material

  • N. MisraEmail author
  • G. Kapusetti
  • D. K. Pattanayak
  • A. Kumar


Increased use of composites in aerospace and defense application induces the search for heat resistant material. In present study silica reinforced epoxy functionally graded material using quartz fabric is prepared with different thickness. The gradation in silica : epoxy matrix is maintained with one side pure epoxy to opposite side pure silica. Thermal and mechanical behaviour of the composites were studied. It was found that the temperature gradient of 350°C to 950°C could be maintained for 2 to 5 min if the thickness of insulating silica layer is increased from 0.5 mm to 16 mm. Mechanical properties such as flexural modulus and strength of FGM composites were also evaluated. Strength and modulus decreased with increase of insulating layer.


Functionally graded material silica composite thermal properties mechanical properties 


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Copyright information

© Indian Association for the Cultivation of Science 2011

Authors and Affiliations

  • N. Misra
    • 1
    Email author
  • G. Kapusetti
    • 1
  • D. K. Pattanayak
    • 2
  • A. Kumar
    • 3
  1. 1.School of Biomedical Engineering, Institute of TechnologyBanaras Hindu UniversityVaranasiIndia
  2. 2.School of Material Science and Technology, Institute of TechnologyBanaras Hindu UniversityVaranasiIndia
  3. 3.Defense Research and Development LaboratoryHyderabadIndia

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