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In-situ measurements of temperature distribution during transmission laser welding of poly(aryletherketone)

Villar, Miguel and Garnier, Christian and Chabert, France and Nassiet, Valérie and Diez, Juan Carlos and Sotelo, Andres and Madre, Maria A. In-situ measurements of temperature distribution during transmission laser welding of poly(aryletherketone). (2016) In: International ESAFORM conference on material forming 2016, 27 April 2016 - 29 April 2016 (Nantes, France).

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Abstract

In this work, the temperature distribution inside the specimens has been measured during transmission laser welding. The material studied is a high performance thermoplastic of the polyaryletherketone (PAEK) family. The assembly consists of a quasi-amorphous sample as the upper part and a semi-crystalline sample as the lower part. The temperature fields were measured by infrared thermography with the camera sensor perpendicular to the welded interface. With an energy beam of 28 J.mm-2 and irradiation time of 15s, we have noticed that the maximum temperature inside the sample is kept far from the PAEK degradation one. Moreover, the temperature at the interface reaches the melting temperature thus assuring enough mobility for polymeric chains to get adhesion at the interface. Finally, the location and size of the heat-affected zone (HAZ) has been determined.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to AIP Publishing editor. The definitive version is available at : http://dx.doi.org/10.1063/1.4963408 http://www.sherpa.ac.uk/romeo/search.php?source=journal&sourceid=28395&la=en&fIDnum=|&mode=simple
HAL Id:hal-01515533
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Other partners > Universidad Zaragoza (SPAIN)
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Deposited By: France CHABERT
Deposited On:16 Mar 2017 15:59

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