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Characterisation of materials behaviour in microwave joining of ceramics

Yarlagadda, Prasad K. & Soon, Raymond Chong Tai (1998) Characterisation of materials behaviour in microwave joining of ceramics. Journal of Materials Processing Technology, 84(1-3), pp. 162-174.

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Abstract

In this paper, attempts made for optimising the process parameters of the microwave welding of ceramic materials using a ridge waveguide are presented. The dielectric constant and the loss tangent parameters are measured using a HP85070 dielectric probe kit and also a network analyzer that works in the frequency range of 500 MHz–20 GHz at room temperature. These two parameters are measured in order to understand the penetration power of the microwave, and the ability of the material to convert absorbed energy into heat. The properties of the joint such as flexural strength, grain size, composition, porosity and other related properties are compared with respect to the parent materials. From the results obtained, it can be concluded that the quality of joint produced is reasonably good, with a joint strength of 60–95% of the flexural strength of the parent material.

Impact and interest:

8 citations in Scopus
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5 citations in Web of Science®

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ID Code: 6439
Item Type: Journal Article
Additional Information: For more information please refer to the publisher's website (link above) or contact the author: y.prasad@qut.edu.au
Keywords: Microwaves, Material joining, Ridge waveguide, Ceramic material, Thermal runaway
DOI: 10.1016/S0924-0136(98)00093-4
ISSN: 0924-0136
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MANUFACTURING ENGINEERING (091000)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 1998 Elsevier
Deposited On: 09 Mar 2007
Last Modified: 15 Jan 2009 17:22

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