Joining of Thermoplastics Using a Cassegrainian Solar Energy Concentrator

Stoynov, Lubomir A., Yarlagadda, Prasad K., & Wong, Walter C. (2000) Joining of Thermoplastics Using a Cassegrainian Solar Energy Concentrator. In Taraman, K. & Salem, H. (Eds.) 2000 Pacific Congress on Manufacturing, September 2000, Detroit, USA.


In this paper the attempts made by the authors to develop a Cassegrainian Solar Energy Concentrator (SEC) and its application for joining of plastics have been presented. The SEC facility can deliver a cost effective and efficient process method of joining plastics. The SEC has been successfully used for joining various thermoplastic materials such as Acrylonitrile Butadiene Styrene (ABS), Polycarbonate (PC), and Polymethylmethacrylate (PMMA). In the present work three sets of experiments are conducted to study the effectiveness of the developed SEC. In this concentrator a beam divergent lens is employed to cover a 5-mm diameter spot with the energy produced being transferred from the top specimen of the lap joint to the effective adhesive area with minimum absorption due to the translucent property of the thermoplastic materials. The effects of process input parameters on peak bond strength have been studied and the joint strengths achieved by this technique are compared with that of parent materials. In addition the study of the microstructure of the fracture surface of the parent material and the welded section have been carried out using Scanning electron microscope.

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ID Code: 6166
Item Type: Conference Paper
Refereed: Yes
Keywords: Solar Energy, Concentration, Renewable, Welding, Thermoplastics
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CHEMICAL ENGINEERING (090400) > Process Control and Simulation (090407)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2000 (please consult author)
Deposited On: 14 Feb 2007 00:00
Last Modified: 10 Aug 2011 18:23

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