论文信息 - New transducers for high-resolution ultrasonic testing - 字舞流文

New transducers for high-resolution ultrasonic testing

Abstract High resolution NDT requires ultrasonic transducers which can produce very short pulses with well-defined constant shape throughout the field. The theory, construction and applications of such transducers are discussed.

[1] Gerald R. Harris,et al. Transient field of a baffled planar piston having an arbitrary vibration amplitude distribution , 1981 .

[2] P. Stepanishen. Transient Radiation from Pistons in an Infinite Planar Baffle , 1970 .

[3] F. R. Stepanishen. Acoustic transients from planar axisymmetric vibrators using the impulse response approach , 1977 .

[4] A. J. Hayman,et al. Observations of the propagation of very short ultrasonic pulses and their reflection by small targets , 1978 .

[5] A. J. Hayman,et al. Transmission and reception of short ultrasonic pulses by circular and square transducers , 1979 .

[6] L. Bess,et al. Near field transient radiation patterns for circular pistons , 1974 .

[7] M S Patterson,et al. The conical scanner: a two transducer ultrasound scatter imaging technique. , 1981, Ultrasonic imaging.

[8] Heinz Hoffmann,et al. Ultrasound Axicon: a device for focusing over a large depth , 1973 .

[9] P.-A. Grandchamp,et al. Focussing Ultrasound Over a Large Depth with an Annular Transducer-An Alternative Method , 1975, IEEE Transactions on Sonics and Ultrasonics.