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

被引：2
|
作者：
Villar, M. [1 ]
Garnier, C. [2 ]
Chabert, F. [1 ]
Nassiet, V. [1 ]
Diez, J. C. [3 ]
Sotelo, A. [3 ]
Madre, M. A. [3 ]
机构：
[1] Univ Toulouse, LGP ENIT INPT, Interfaces & Funct Mat, Tarbes, France
[2] Univ Toulouse, LGP ENIT INPT, Mech Mat Struct & Proc, Tarbes, France
[3] Univ Zaragoza, CSIC, Inst Mat Sci Aragon, E-50009 Zaragoza, Spain
来源：
PROCEEDINGS OF THE 19TH INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING (ESAFORM 2016) | 2016年 / 1769卷
关键词：
D O I：
10.1063/1.4963408
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
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页数：6
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