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Volume 112 - April 2008

Contents

Page 5 of 6

Back matter

  • AER volume 112 issue 1132 Cover and Back matter

  • Published online by Cambridge University Press:
    30 March 2016, pp. b1-b5
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Technical note

  • Active sensing of impact damage in composite sandwich panels by low frequency Lamb waves

  • C. Soutis, K. Diamanti
  • Published online by Cambridge University Press:
    03 February 2016, pp. 279-283

  • The development of a robust non-destructive system to detect and monitor the extent of damage in carbon fibre reinforced plastics (CFRP) during service life is a key problem in many practical applications, especially in the aircraft industry. The lack of such technique has severely limited the potentially extensive use of composite materials. In this study a cost and time effective inspection strategy for in-service health monitoring of composites is demonstrated using the fundamental anti-symmetric A0 Lamb mode at frequencies of 15-20kHz. In principle, this method involves analysis of the transmitted and/or reflected wave after interacting with the test-piece boundaries or discontinuities (defects). In the present work, the applicability of the technique to composite sandwich structures is explored and defects of critical size are successfully detected.

Book Reviews

Back matter

  • AER volume 112 issue 1137 Cover and Back matter

  • Published online by Cambridge University Press:
    30 March 2016, pp. b1-b3
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Book Reviews

Research Article

  • Structural health monitoring systems – benefits and airworthiness issues

  • P. A. Lloyd
  • Published online by Cambridge University Press:
    03 February 2016, pp. 285-289

  • In recent years there has been an increasing interest in the application of advanced structural monitoring systems to aircraft structures. A great deal of research effort has, and is being directed towards technologies that can detect damage and estimate its significance. In this paper the benefits of deploying such systems are discussed and illustrated with quantitative estimates where these are available. It is concluded that significant benefits should accrue from their use, but that a number of outstanding technical issues remain which include the realistic verification of performance and reliability. The impact on aircraft airworthiness is also considered and it is suggested that while no significant new issues emerge, considerable work will need to be done to qualify systems, and that this is unlikely to be worthwhile unless the expected benefits can be assured.

Book Reviews

Front matter

  • AER volume 112 issue 1133 Cover and Front matter

  • Published online by Cambridge University Press:
    03 February 2016, pp. f1-f3
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Book Reviews

Back matter

  • AER volume 112 issue 1127 Cover and Back matter

  • Published online by Cambridge University Press:
    30 March 2016, pp. b1-b4
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Book Reviews

Back matter

  • AER volume 112 issue 1133 Cover and Back matter

  • Published online by Cambridge University Press:
    30 March 2016, pp. b1-b4
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      • You have access
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Book Reviews

Front matter

  • AER volume 112 issue 1129 Cover and Front matter

  • Published online by Cambridge University Press:
    03 February 2016, pp. f1-f3
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Other

Back matter

  • AER volume 112 issue 1129 Cover and Back matter

  • Published online by Cambridge University Press:
    30 March 2016, pp. b1-b2
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Page 5 of 6