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Thermoelectric method for temperature measurement in friction stir welding
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för automation och datateknik. (PTW)ORCID-id: 0000-0001-9553-7131
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för automation och datateknik. (PTW)ORCID-id: 0000-0002-1869-232X
2013 (engelsk)Inngår i: Science and technology of welding and joining, ISSN 1362-1718, E-ISSN 1743-2936, Vol. 18, nr 7, s. 541-550Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Previous research within friction stir welding (FSW) has demonstrated that online control of welding parameters can improve the mechanical properties and is necessary for certain applications to guarantee a consistent weld quality. One approach to control the process is by adapting the heat input to maintain a stable welding temperature, within the specified operating boundaries. This requires accurate in-process temperature measurements. This paper presents a novel method to measure the temperature at the interface of the FSW tool and workpiece. The method is based on the thermoelectric effect between dissimilar materials. The measurements are compared to thermocouple measurements and to a physical model and show good correspondence to each other. Experiments demonstrate that the method can quickly detect temperature variations, due to geometrical variations of the workpiece or due to parameter changes. This allows use of the method for online control of robotic FSW.

sted, utgiver, år, opplag, sider
2013. Vol. 18, nr 7, s. 541-550
Emneord [en]
Friction stir welding, FSW, Temperature measurement, Temperature control, Process automation, Robotics, 3-DIMENSIONAL HEAT, material flow, canisters, tool, WIL, Work-integrated learning
Emneord [sv]
AIL
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Forskningsprogram
Arbetsintegrerat lärande
Identifikatorer
URN: urn:nbn:se:hv:diva-5625DOI: 10.1179/1362171813Y.0000000135ISI: 000324312200003Scopus ID: 2-s2.0-84883719928OAI: oai:DiVA.org:hv-5625DiVA, id: diva2:652758
Tilgjengelig fra: 2013-10-01 Laget: 2013-10-01 Sist oppdatert: 2019-05-03bibliografisk kontrollert

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