HTS SQUIDs for the nondestructive evaluation of composite structures

Chris Carr, David Graham, John C. MacFarlane, Gordon B. Donaldson

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

While LTS and HTS SQUIDs have successfully been applied in the detection of flaws in aircraft grade aluminium structures for well over a decade, interest has recently spread to a type of new material, namely composites. One example, carbon fibre reinforced polymer (CFRP), is increasingly being favoured by the aircraft industry because of its strength to weight ratio and the fact that it is corrosion-resistant. Material and defect characterization using SQUIDs is still at an early stage, but due to expected rapid expansion in the use of such materials, there is ample scope for the application of HTS SQUIDs. Here we have applied HTS SQUID single-layer gradiometers to investigate artificially created defects in CFRP samples.
Original languageEnglish
Pages (from-to)1387-1390
Number of pages3
JournalSuperconductor Science and Technology
Volume16
Issue number12
DOIs
Publication statusPublished - Dec 2003

Keywords

  • hts squids
  • composite structures
  • lts squids

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