Issues to be considered when measuring ultrasonic wave attenuation in austenitic cladding material

Abstract

The experimental data obtained in a previous study is reprocessed to estimate the impact of several modifications of the measurement approach on the intrinsic longitudinal wave attenuation as a function of the propagation direction in reactor pressure vessel strip cladding. The measurement of the attenuation in anisotropic structures is a difficult task and this paper provides more insight on how the measurement approach works. It should help the reader to plan and carry out similar experiments.JRC.F.4-Nuclear Reactor Integrity Assessment and Knowledge Managemen