- Conference date: 28 Jun-2 Jul 1999
- Location: Sydney (Australia)
Many components contain welds which represent regions where defects most often initiate or are latent as a result of material and geometrical irregularity. However, it is difficult to inspect welds due to these irregularities. Correspondingly, there is no established method for inspection of welds. In this study, is developed a new Remotely Induced Current Potential Drop (RICPD) technique for highly sensitive inspection of defects in welds which is based on electromagnetic induction. The features of RICPD are investigated and a comparison is made between the performance of RICPD and existing Induced Current Focusing Potential Drop (ICFPD) technique, which is also potential drop technique based on electromagnetic induction. It turns out that the S/N ratio is significantly larger in RICPD due to the positioning of the induction wire far from the surface of the specimen.
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