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TECHNICAL PAPERS

Laser-Optic Evaluation for Bond Quality of Polymeric Medical Tubing

[+] Author and Article Information
Kent D. Harms, C. Steve Suh

Photomechanics Laboratory, Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123

J. Pressure Vessel Technol 124(3), 283-292 (Jul 26, 2002) (10 pages) doi:10.1115/1.1484116 History: Received January 20, 2001; Revised April 15, 2002; Online July 26, 2002
Copyright © 2002 by ASME
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References

Figures

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Schematic of TAP-NDE and experimental setup for generating and detecting ultrasound
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Typical Fizeau-type interferometer schematic
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(a) Lamb waveform and GWT contour plot of Lamb wave; (b) Rayleigh waveform and GWT contour plot of Rayleigh wave 23
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Photographs of bond type A—(a) needle puncture defect, (b) crease defect, (c) pull defect
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Photographs of bond type B—(a) needle puncture defect, (b) crease defect
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Photographs of wire stent—(a) damage free, (b) damaged, (c) attached onto tubing
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Plot demonstrating repeatability of bond type A defect-free digitized waveforms
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Plot demonstrating repeatability of bond type B defect-free digitized waveforms
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Plot demonstrating repeatability of damaged wire stent digitized waveforms
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Digitized waveforms for bond type A with needle puncture
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Digitized waveforms for bond type A with crease
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Digitized waveforms for bond type A with pull
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GWT contour plots for bond type A–(a) defect free, (b) needle puncture defect, (c) crease defect, (d) pull defect
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Digitized waveforms for bond type B with (a) needle puncture, (b) crease
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GWT contour plots for bond type B—(a) defect free, (b) needle puncture defect, (c) crease defect
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Digitized waveforms for wire stent damage free
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GWT contour plots for wire stent—(a) damage free, (b) damaged

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