Joining of thirty three percent by weight random glass fibre reinforced polystyrene using variable frequency microwave

Ku, Harry S. and Siores, Elias and Ball, James A. R. and Taube, Alex (2002) Joining of thirty three percent by weight random glass fibre reinforced polystyrene using variable frequency microwave. Institution of Engineers, Malaysia. Journal, 63 (2). pp. 18-24. ISSN 0126-513X

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Abstract

[Abstract]: This paper extends the range of applications for Variable Frequency Microwave (VFM) (2 – 18 GHz) facilities to joining thirty three percent by weight glass fibre reinforced polystyrene composite [PS/GF (33%)]. With a given power level, the composite was exposed to various exposure times to microwave irradiation. The primer or coupling agent used was 5-minute two-part adhesive containing 100% liquid epoxy and 8% amine, i.e. Araldite, which was more readily microwave reactive than the composite itself. Bond strengths of the joints were lap shear tested and results were compared with those obtained using fixed frequency (2.45 GHz) microwave processing. The VFMF was operated under software control, which provided automatic data logging facilities. The maximum lap shear bond strength of joint was 430 N/cm2 using variable frequency microwave facility while that obtained by fixed frequency microwave configuration was only 331 N/cm2. The former is nearly 30% stronger than the latter.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Depositing User: Dr Harry Ku
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - Department of Mechanical and Mechatronic Engineering
Date Deposited: 11 Oct 2007 01:04
Last Modified: 02 Jul 2013 22:43
Uncontrolled Keywords: variable frequency microwaves (VFM), glass fibre-reinforced polystyrene, lap shear bond strength, microwave irradiation, araldite
Fields of Research (FOR2008): 09 Engineering > 0912 Materials Engineering > 091202 Composite and Hybrid Materials
URI: http://eprints.usq.edu.au/id/eprint/2375

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