Preliminary Design and Fabrication Report on Repair Technology using Smart Actuators

Senthil Kumar, P and Dayananda, GN and Kamalakannan, GM and Saji, D and Pruthvi, S and Subba Rao, M (2006) Preliminary Design and Fabrication Report on Repair Technology using Smart Actuators. Project Report. National Aerospace Laboratories, Bangalore.

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    Abstract

    This is a preliminary report pertaining to the development of a shape memory alloy based smart repair device. This device is proposed to be used to bond an annular ring shaped patch in situations where it is inaccessible to repair from inside the aircraft structure, such as a wing. Once the annular ring shaped patch is bonded, then a plug can be bonded taking the support of the bonded annular ring. Hitherto,these annular rings were being bonded using conventional mechanical (screw fastener based) devices. These mechanical devices have several limitations such as uneven pressure application and cumbersome bonding procedures. In this report the development of a preliminary SMA based efficient smart repair device for a damage diameter of 75 to 80mm is discussed.

    Item Type: Proj.Doc/Technical Report (Project Report)
    Uncontrolled Keywords: Shape Memory Alloy Strips, Smart Repair Device, CFRP Composite Annular Ring
    Subjects: CHEMISTRY AND MATERIALS > Composite Materials
    Division/Department: Advanced Composites Division, Advanced Composites Division, Advanced Composites Division, Advanced Composites Division, Advanced Composites Division, Advanced Composites Division
    Depositing User: Ms Indrani V
    Date Deposited: 27 Jul 2011 10:58
    Last Modified: 27 Feb 2012 13:54
    URI: http://nal-ir.nal.res.in/id/eprint/9665

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