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Squirter, Roller Probe, and Air-Coupled Ultrasonic Transducer Techniques for Low Frequency Inspection of Advanced Composites Materials

Daniel J. Cotter, Thomas E. Michaels, Jennifer E. Michaels,
Daniel Kass, Matthew E. Stanton, Igor V. Kosenko, and Frederick H. C. Hotchkiss
Panametrics Incorporated, Waltham, MA 02453-3497

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ABSTRACT

1.INTRODUCTION

2. SQUIRTER-BASED TRANSDUCER PAIR

3. COMPOSITE TRANSDUCER ROLLER PROBES

4. AIR-COUPLED TRANSDUCER TECHNIQUES

5. ULTRASONIC IMAGING WITH MIXWD COUPLING MODES

6. CONCLUSIONS

7. ACKNOWLEDGMENTS

8. REFERENCES

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