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Investigation of effects from realistic influences on inductive gap measurement
University West, Department of Engineering Science, Research Enviroment Production Technology West. (PTW)ORCID iD: 0000-0003-3697-1995
University West, Department of Engineering Science, Division of Production Systems. (PTW)ORCID iD: 0000-0001-5608-8636
2019 (English)In: Measurement, ISSN 0263-2241, E-ISSN 1873-412X, Vol. 143, p. 199-210Article in journal (Refereed) Published
Abstract [en]

The influence of deviations from ideal square butt joint conditions is investigated for an improved inductive gap measurement method. Varying plate thickness, chamfers, and scratches are tested on Alloy 718 at different frequencies in a working range around the gap. Results for different plate thickness show that measurements of position and gap width are affected at all frequencies tested. For a chamfered plate, position measurement is affected for all frequencies, while gap width measurement is less affected at higher frequencies. For both a narrow and a wide scratch, the position measurement at the highest frequency is affected for all scratch locations, while for gap width measurement, only the wide scratch is affecting for all locations. Errors in measurement of probe height and plate alignment are smaller than 0.04 and 0.05 mm for all situations. The results will support in selecting coil frequency and predict results in non-ideal conditions. © 2019

Place, publisher, year, edition, pages
. , 2019. Vol. 143, p. 199-210
Keywords [en]
Butt welding; Measurement; Position measurement, Different frequency; Gap measurements; Higher frequencies; Measurements of; Non-ideal conditions; Plate thickness; Square butt joints; Zero-gap, Inductive sensors
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering; Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-13918DOI: 10.1016/j.measurement.2019.05.020ISI: 000470062200019Scopus ID: 2-s2.0-85065701137OAI: oai:DiVA.org:hv-13918DiVA, id: diva2:1320658
Funder
Knowledge Foundation, Dnr 20140130Available from: 2019-06-05 Created: 2019-06-05 Last updated: 2019-07-23Bibliographically approved

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Svenman, EdvardChristiansson, Anna-Karin

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