Feasibility of High-Resolution Pulse-Echo Techniques for Automobile Tire Inspection
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1973-06-01
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NTL Classification:NTL-SAFETY AND SECURITY-Vehicle Design;NTL-SAFETY AND SECURITY-SAFETY AND SECURITY;NTL-SAFETY AND SECURITY-Highway Safety;
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Abstract:The report presents ultrasonic A-scan reflection oscillograms and B-scan one-dimensional scanning displays for small sections of automobile tires, and for tire-like rubber and cord composite structures, using impulse excitation of 1-MHz and 5-MHz transducers. Adequate penetration and resolution are exhibited to permit depth characterization of structures and defects. Small reflections at bonding interfaces exhibit variations indicating a potential capability for detection of interface bonding anomalies in tires.
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