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Construction of a compact linear Test Rig for defect Characterization using magnetic flux Leakage technique and Finite Element models

A. C. Bruno,R. Schifini, G.S.Kühner and C. H. Barbosa
Departamento de Física, Pontifícia Universidade Católica do Rio de Janeiro
Rua Marquês de São Vicente 225, Rio de Janeiro, RJ 22453-900, Brasil
C. S. Camerini
CENPES, Petrobras
Quadra 7, Cidade Universitária, Rio de Janeiro, RJ 21949-900, Brazil
Contact

INTRODUCTION

Fig 1: Schematic drawing of the MFL inspection vehicle, top plate containing defects and rail system. The motor arrangement and data acquisition electronics are not shown.

MEASUREMENTS

RECOVERY RESULTS

Fig 5: Results of the recovered three-dimensional defect (a) deeper and (b) shallow. Profile of original and recovered coordinates for the same defect (c) and (d).

CONCLUSION

ACKNOWLEDGMENT

REFERENCE

  1. Three-Dimensional Reconstruction of Surface-breaking Flaws Using Finite Element Methods. R. Schifini and A. C. Bruno, Review of Progress in Quantitative Nondestructive Evaluation, vol. 20 (in press).

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