Microwave non-destructive testing of coatings and paints using free space microwave measurement / Norhayati Hamzah ... [et al.]
Microwave nondestructive testing (MNDT) techniques are applied to evaluate quality of anti-corrosive protective coatings and paints on metal surfaces. A tree-space microwave measurement (FSMM) system is used for MNDT of protective coatings. The FSMM system consists of transmit and receive spotfocus...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Institute of Research, Development and Commercialisation (IRDC)
2005
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| Subjects: | |
| Online Access: | http://ir.uitm.edu.my/id/eprint/12804/ http://ir.uitm.edu.my/id/eprint/12804/1/AJ_NORHAYATI%20HAMZAH%20SRJ%2005%201.pdf |
| Summary: | Microwave nondestructive testing (MNDT) techniques are applied to evaluate quality of anti-corrosive protective coatings and paints on metal surfaces. A tree-space microwave measurement (FSMM) system is used for MNDT of
protective coatings. The FSMM system consists of transmit and receive spotfocusing horn lens antennas, a vector network analyzer, mode transitions and a computer. Diffraction effects at the edges of the sample are minimized by using spot-focusing horn lens antennas. Errors due to multiple reflections between antennas are corrected by using free-space LRL (line, reflect, line) calibration technique. We have measured complex reflection coefficient of polyurethane based paint which is coated on brass plates. |
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