Surface roughness influence on eddy current electrical conductivity measurements

Materials Evaluation

Volumn 61, Issue 6, 2003, Pages 765-772

  Blodgett, Mark P ^a   Ukpabi, Chizoba Vivian ^b   Nagy, Peter B ^b  

^a AIR FORCE RESEARCH LABORATORY   (United States)

^b University of Cincinnati   (United States)

Author keywords

Eddy current testing; Residual stress; Shot peening; Surface roughness

Indexed keywords

COPPER; EDDY CURRENT TESTING; ELECTRIC CONDUCTIVITY MEASUREMENT; ENGINES; HEAT TREATMENT; NONDESTRUCTIVE EXAMINATION; RESIDUAL STRESSES; TITANIUM ALLOYS; TURBINES; X RAY DIFFRACTION ANALYSIS;

FREQUENCY DEPENDENT PENETRATION DEPTH; SHOT PEENED COPPER; TURBINE ENGINE ALLOYS;

SURFACE ROUGHNESS;

EID: 0037899582     PISSN: 00255327     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (21)

1. ASTM International, ASTM E 1004-99, Standard Practice for Determining Electrical Conductivity Using the Electromagnetic (Eddy-Current) Method, West Conshohocken, Pennsylvania, ASTM International, 1999.
2. American Society for Metals, "Shot Peening," Metals Handbook, vol. 5, Metals Park, Ohio, ASM, 1982, pp. 138-149.
3. American Society for Metals, "X-ray Diffraction Residual Stress Techniques," Metals Handbook, Vol. 10, Metals Park, Ohio, ASM, 1986, pp. 380-392.
4. American Society for Metals, Heat Treater's Guide: Practices and Procedures for Nonferrous Alloys, H. Chandler, ed., Metals Park, Ohio, ASM, 1996.
5. Bennett, J.M. and L. Mattsson, Introduction to Surface Roughness and Scattering, Washington, DC, Optical Society of America, 1989.
6. Bhushan, B., J.C. Wyant and C. Koliopoulos, "Measurement of Surface Topography of Magnetic Tapes by Mirau Interferometry," Applied Optics, Vol. 24, No. 10, May 1985, pp. 1489-1497.
7. Blodgett, M. and P.B. Nagy, "Anisotropic Grain Noise in Eddy Current Inspection of Noncubic Polycrystalline Metals," Applied Physics Letters, Vol. 72, No. 9, March 1998, pp. 1045-1047.
8. Caber, P.J., "Interferometric Profiler for Rough Surfaces," Applied Optics, Vol. 32, No. 19, July 1993, pp. 3438-3441.
9. Carreon, H., P.B. Nagy and M.P. Blodgett, "Thermoelectric Nondestructive Evaluation of Residual Stress in Shot-peened Metals," Research in Nondestructive Evaluation, Vol. 14, No. 2, June 2002, pp. 59-80.
10. Chang, H., F.C. Schoenig, Jr., and J.A. Soules, "Eddy Current Offers a Powerful Tool for Investigation of Residual Stress and Other Metallurgical Properties," Materials Evaluation, Vol. 57, No. 12, December 1999, pp. 1257-1260.
11. Glorieux, C. and W. Gao, "Surface Acoustic Wave Depth Profiling of Elastically Inhomogeneous Materials," Journal of Applied Physics, Vol. 88, No. 7, October 2000, pp. 4394-4400.
12. John, R., J.M. Larsen, D.J. Buchanan and N.E. Ashbaugh, "Incorporating Residual Stresses in Life Prediction of Turbine Engine Components," Proceedings of the Eighth International Fatigue Conference, A.F. Blom, ed., West Midlands, England, Engineering Materials and Advisory Services, 2002, pp. 1063-1070.
13. Khadhraoui, M., W. Cao, L. Castex and J.Y. Guedou, "Experimental Investigations and Modeling of Relaxation Behaviour of Shot Peening Residual Stresses at High Temperature for Nickel Base Superalloys," Materials Science and Technology, Vol. 13, No. 4, April 1997, pp. 360-367.
14. Larsen, J.M., B. Rasmussen, S.M. Russ, B. Sanbongi, J. Morgan, D. Shaw, J. Jira, D. Johnson, S. LeClaire, M. Blodgett, T. Moran, W. Stange, M. Meiniger and T. Fecke, "The Engine Rotor Life Extension (ERLE) Initiative and Its Opportunities to Increase Life and Reduce Maintenance Costs," AeroMat Conference (presentation TE 1.3), Long Beach, 12 June 2001.
15. Lavrentyev, A.I., P.A. Stuky and W.A. Veronesi, "Feasibility of Ultrasonic and Eddy Current Methods for Measurement of Residual Stress in Shot Peened Metals," Review of Progress in Quantitative Nondestructive Evaluation, Vol. 19B, D.O. Thompson and D.E. Chimenti, eds., Melville, AIP, July 2000, pp. 1621-1628.
16. Lee, B.S. and T.C. Strand, "Profilometry with a Coherence Scanning Microscope," Applied Optics, Vol. 29, No. 26, September 1990, pp. 3784-3788.
17. Matelect Systems, A Primer on Alternating Current Potential Difference Technique, London, Matelect, 1999.
18. Prevéy, P.S., "X-ray Diffraction Characterization of Residual Stresses Produced by Shot Peening," Shot Peening Theory and Application, Technology Transfer Series, A. Niku-Lari, ed., Gournay-Sur-Marne, France, Institute for Industrial Technology Transfer International, 1990, pp. 81-93.
19. Prevéy, P.S., D. Hornbach and P. Mason, "Thermal Residual Stress Relaxation and Distortion in Surface Enhanced Gas Turbine Engine Components," Proceedings of the 17th Heat Treating Society Conference and Exposition and the 1st International Induction Heating Symposium, D.L. Milam et al., eds., Metals Park, Ohio, ASM, 1998, pp. 3-12.
20. Schoenig, F.C., Jr., J.A. Soules, H. Chang and J.J. DiCillo, "Eddy Current Measurement of Residual Stresses Induced by Shot Peening in Titanium Ti-6Al-4V," Materials Evaluation, Vol. 53, No. 1, January 1995, pp. 22-26.
21. Thompson, R.B., W.-Y. Lu and A.V. Clark, "Ultrasonic Method," Handbook of Measurement of Residual Stresses, J. Lu, ed., Lilburn, Georgia, Fairmont Press, 1996, pp. 149-178.