Preliminary study on the feasibility of friction spot welding in PMMA

In this work the feasibility of friction spot welding of thermoplastics was investigated on poly (methyl methacrylate) plates. Preliminary results have shown that the weld strength is comparable to other available welding techniques, while joining times are equal or shorter. Light optical microscopy...

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Bibliographic Details
Published in:Materials letters 2010-10, Vol.64 (19), p.2098-2101
Main Authors: Oliveira, P.H.F., Amancio-Filho, S.T., dos Santos, J.F., Hage, E.
Format: Article
Language:English
Subjects:
Acrylic
Consolidation
Feasibility
Friction
Friction spot welding
PMMA
Poly methyl methacrylate
Polymer joints
Polymethyl methacrylates
Spot welding
Thermomechanical treatment
Thermoplastic resins
Transformations
Welding
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Summary:In this work the feasibility of friction spot welding of thermoplastics was investigated on poly (methyl methacrylate) plates. Preliminary results have shown that the weld strength is comparable to other available welding techniques, while joining times are equal or shorter. Light optical microscopy and Vickers microhardness measurements showed the presence of a heat affected zone and a thin, consolidated stir zone, where physical–chemical transformations related to thermo-mechanical processing led to changes in local mechanical strength. The work has demonstrated for the first time that the welding of thermoplastic materials by friction spot welding is feasible.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2010.06.050