Dielectric sheet thickness variation and disbond detection in multilayered composites using an extremely sensitive microwave approach

Materials Evaluation

Volumn 55, Issue 1, 1997, Pages 42-48

  Gray, Sheila ^a   Zoughi, Reza ^a  

^a Department of Chemical and Biological Engineering and School of Biomedical Engineering   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DIELECTRIC SHEETS; DISBOND; MULTILAYERED COMPOSITES; SHEET THICKNESS; THICKNESS VARIATION;

ACOUSTIC EMISSION TESTING; DELAMINATION; DIELECTRIC MATERIALS; PARAMETER ESTIMATION; THICKNESS MEASUREMENT;

DIELECTRIC SHEET THICKNESS VARIATION; DISBOND DETECTION; MICROWAVE NONDESTRUCTIVE TESTING; MULTILAYERED COMPOSITES;

NONMETALLIC MATRIX COMPOSITES;

EID: 0030830385     PISSN: 00255327     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (16)

1. Bahr, A.J., Microwave Nondestructive Testing Methods, 1982. Gordon and Breach, Newark, NJ.
2. Bakhtiari, S., and R. Zoughi, "Microwave Thickness Measurement of Lossy Layered Dielectric Slabs Using Incoherent Reflectivity," Research in Nandestructive Evaluation, Vol. 2, No. 3, 1990, pp 157-168.
3. Bakhtiari, S., N. Gopalsami, and A.C. Raptis, "Characterization of Delamination and Disbonding in Stratified Dielectric Composites by Millimeter Wave Imaging," Materials Evaluation, Vol. 53, No. 4, Apr. 1995, pp 468-471.
4. Bakhtiari, S., S. Ganchev, and R. Zoughi, "A Generalized Formulation for Admittance of an Open-Ended Rectangular Waveguide Radiating into Stratified Dielectrics," Research in Nondestructive Evaluation, Vol. 7, No. 2/3, 1995, pp 75-87.
5. Bakhtiari, S., S. Ganchev, and R. Zoughi, "Open-Ended Rectangular Waveguide for Nondestructive Thickness Measurement and Variation Detection of Lossy Dielectric Slabs Backed by a Conducting Plate," IEEE Transactions on Instrumentation and Measurement, Vol. 42, No. 1, Feb. 1993, pp 19-24 (1993a).
6. Bakhtiari, S., S. Ganchev, and R. Zoughi, "Microwave Frequency Optimization for Accurate Thickness or Dielectric Property Monitoring of Conductor Backed Composites," Materials Evaluation, Vol. 51, No. 6, Jun. 1993, pp 740-743 (1993b).
7. Bakhtiari, S., S. Ganchev, N. Qaddoumi, and R. Zoughi, "Microwave Non-Contact Examination of Disbond and Thickness Variation in Stratified Composite Media," IEEE Transactions on Microwave Theory and Techniques, Vol. 42, No. 3, Mar. 1994, pp 389-395.
8. Ganchev, S.I., R. Runser, N. Qaddoumi, E. Ranu, and G. Carriveau, "Microwave Nondestructive Evaluation of Thick Sandwich Composite," Materials Evaluation, Vol. 53, No. 4, Apr. 1995, pp 463-467 (1995a).
9. Ganchev, S., N. Qaddoumi, E. Ranu, and R. Zoughi, "Microwave Detection Optimization at Disbond in Layered Dielectrics with Varying Thicknesses," IEEE Transactions on Instrumentation and Measurement, and Measurement, Vol. IM-44, No. 2, Apr. 1995, pp 326-328 (1995b).
10. Ganchev, S., N. Qaddoumi, S. Bakhtiari, and R. Zoughi, "Calibration and Measurement of Dielectric Properties of Finite Thickness Composite Sheets with Open-Ended Coaxial Sensors," IEEE Transactons on Instrumentation SenMeasurement, Vol. IM-44, No. 6, Dec. 1995, pp 1023-1029 (1995c).
11. Han, H.C., and E.S. Mansueto, "Thin Film Inspection with Millimeter-Wave Reflectometer," Research in Nondestructive Evaluation, Vol. 7, No 2/3, 1995, pp 89-100.
12. Qaddoumi, N., R. Zoughi, and G.W. Carriveau, "Microwave Detection and Depth Determination of Disbonds in Low-Permittivity and Low-Lose Thick Sandwich Composites," Research in Nondestructive Evaluation, Vol. 8, No. 1, 1996, pp 51-63.
13. Zoughi, R., and M. Lujan, "Nondestructive Microwave Thickness Measurement of Dielectric Slabs," Materials Evaluation, Vol. 48, No. 9, Sep. 1990, pp 1100-1105.
14. Zoughi, R., and S. Bakhtiari, "Microwave Nondestructive Detection and Evaluation of Disbonding and Delamination in Layered Dielectric Slabs," IEEE Transaction on Instrumentation end Measurement, Vol. 39, No. 6, Dec. 1990, pp 1059-1063.
15. Zoughi, R., "Microwave and Millimeter Wave Nondestructive Testing: A Succinct Introduction," Materials Evaluation, Vol. 53, No. 4, Apr. 1995, pp 461-162.
16. Zoughi, R., J. Edwards, and & Bakhtiari, "Swept Microwave Frequency Nondestructive Detection and Evaluation of Delamination in Stratified Dielectric Media," Journal of Wave-Material Interaction, Vol. 7, No. 1, Jan. 1992, pp 427-438.