The influence of test piece surface roughness on ultrasonic thickness measurements

Mihaljević, Morana and Keran, Zdenka and Horvatić Novak, Amalija (2016) The influence of test piece surface roughness on ultrasonic thickness measurements. = The influence of test piece surface roughness on ultrasonic thickness measurements. In: 22. međunarodno savjetovanje o zaštiti materijala i industrijskom finišu, 20.04.2016., Zagreb, Hrvatska.

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Official URL: https://bib.irb.hr/prikazi-rad?&rad=812553

Abstract

Ultrasonic thickness measurement (UTM) is used as a part of structure and component integrity assessment. UTM requires access from one side of measured component. This widely used ultrasonic technique provides quantitative information about the material thickness and, consequently, UTM belongs to a field of measurement activities. The best ultrasonic thickness measurement accuracy is obtained when surfaces of the measurement component are smooth, clean and parallel. Surface conditions such as impurity, roughness and corrosion product could have a negative impact on measurement results. The contact surface of a measurement components can be partly or fully removed by cleaning and brushing the contact surfaces, which is not the case with response surfaces. In this paper a study of contact and/or response surface roughness impact is analyzed on the ultrasonic thickness measurement results. In order to investigate the surface roughness of measurement component, measurements were conducted on prepared test specimen under repeatability conditions.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): ultrasonic thickness measurement, measurement uncertainty, roughness influence
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1200 Department of Technology > 1220 Chair of Metal Forming
800 Department of Quality > 810 Chair of Precise Measurement and Quality
800 Department of Quality > 820 Chair of Non-Destructive Testing
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 22 Sep 2016 11:07
Last Modified: 26 Sep 2018 06:35
URI: http://repozitorij.fsb.hr/id/eprint/6901

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