Study of bonding interfaces within dissimilar metals by means of ultrasonic waves
DOI:
https://doi.org/10.3989/revmetalm.1999.v35.i1.601Keywords:
Acoustic impedance, Dissimilar metals, Amplitudes, Interfaces, Wave formAbstract
As a result of the associated problems to evaluate bonding characteristics of interfaces between dissimilar metals, mainly those cladded, it has been propposed the use of ultrasonic methods. Acoustic impedance methods had been tested succesfully in the study of plastic-aluminium (glued) and babbit-steel (bearing) interfaces. Preliminary results on explosively bonded aluminium-steel and aluminium-lead interfaces are presented. A digital ultrasonic device with a 5 Mhz transducer was used in this study. So far, results have shown that "VID" signal gives an acceptance criterion based on the ratio of amplitudes coming from interface and bottom surface, meanwhile "RF" signal gives the same criterion based on wave form. It is concluded that VID and RF signals could be used to achieve characteristics of the bonded interfaces.
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Published
1999-02-28
How to Cite
López, G. A., López, A., Huerta, A., & Jaramillo, D. (1999). Study of bonding interfaces within dissimilar metals by means of ultrasonic waves. Revista De Metalurgia, 35(1), 17–21. https://doi.org/10.3989/revmetalm.1999.v35.i1.601
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