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    • Keywords


      Aluminium alloy; laminated composites; aramid fibres; tensile strength; compressive strength; interlaminar shear strength; residual stresses

    • Abstract


      Laminated composites consisting of alternate layers of aluminium alloy sheets and unidirectional Kevlar-49 fibre epoxy composites were prepared using two different aluminium alloys DTD 687 and aluminium-lithium alloy. Tensile, compressive and interlaminar shear strengths of the laminates were measured. The residual stresses in the aluminium alloy sheets arising out of thermal mismatch between aluminium alloys and aramid fibres were also measured. It is found that the laminates have lower density, higher tensile strength and marginally lower Young’s modulus as compared with monolithic alloy sheets.

    • Author Affiliations


      P Kanakalatha1 M K Sridhar1 Chadra Ajay1 C Balasingh1 A K Singh1

      1. Materials Science Division, National Aeronautical Laboratory, Bangalore - 560017, India
    • Dates

  • Bulletin of Materials Science | News

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