Flaw detection in metals by the ACPD technique: Theory and experiments

NDT and E International

Volumn 40, Issue 7, 2007, Pages 505-509

  Saguy, H ^a   Rittel, D ^a  

^a TECHNION ISRAEL INSTITUTE OF TECHNOLOGY   (Israel)

Author keywords

ACPD; Hidden flaw; NDT.; Surface flaw

Indexed keywords

ALTERNATING CRACK POTENTIAL DROP (ACPD); HIDDEN FLAW; SURFACE FLAW; THIN SKIN ASSUMPTIONS;

COMPUTER SIMULATION; ELECTRIC CONDUCTORS; SURFACE DEFECTS; TOMOGRAPHY;

CRACKS;

EID: 34447253107     PISSN: 09638695     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ndteint.2007.04.003     Document Type: Article

References (11)

1. Saguy H., and Rittel D. Bridging thin and thick skin solutions for alternating currents in crack conductors. Appl Phys Lett J 87 (2005) 84103-84103/3
2. Saguy H., and Rittel D. Alternating current flow in internally flawed conductors: a tomographic analysis. Appl Phys Lett J 89 (2006) 94102-94102/3
3. Collins R. Dover WD, Michael DH. The use of AC field measurement for NDT. Non-Destruct Test 1985; 8: 211-65.
4. Collins R, Michael DH, Ranger KB. The AC field around a plane semi-elliptical crack in metal surface. In: Leonard BE, editor, Proceedings of the 13th symposium on non-destructive evaluation. San Antonio, TX: NTIAC; p. 470-9.
5. Dover W.D., Collins R., and Michael D.H. Review of development in ACPD and ACFM. Br J NDT 33 3 (1991) 121-127
6. Johnson WC. The constants of two-conductor lines. Transmission lines and networks, vol. 1. New York: McGraw-Hill; 1950. p. 58-80.
7. Dover W.D., and Monahan C.C. The measurement of surface breaking cracks by the electrical systems ACPD/ACFM. Fatigue Fract Eng 17 12 (1994) 1485-1492
8. Dover WD, Charlesworth FDW, Taylor KA, Collins R, Michael DH, The measurement of crack length and shape during fracture and fatigue. In: Beevers CJ, editor. AC field measurement-theory and practice, 1980. p. 222-61.
9. Lugg M.C. Data interpretation in ACPD crack inspection. NDT Int 22 3 (1989) 149-154
10. Mirshekar-Syahkal D., Collins R., and Michael D.H. The influence of skin depth on crack measurement by the AC field technique. Nondestruct Eval 3 2 (1982) 65-76
11. Michael D.H., and Collins R. The AC field around a plane crack in metal surface when the skin depth is large. Nondestruct Eval 3 1 (1982) 19-24