Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12538
Title: Techniques for improved surface integrity of electrodischarge machined ceramic composites
Authors: Deng, JX
Lee, TC
Issue Date: 2000
Publisher: Inst of Materials, London, United Kingdom
Source: Surface engineering, 2000, v. 16, no. 5, p. 411-414 How to cite?
Journal: Surface Engineering 
Abstract: Good surface integrity is frequently required of structural ceramic components, since the lifetime of a ceramic component is, in most cases, determined by its surface features. In this study, two mechanical surface treatments, i.e. ultrasonic and abrasive blasting surface finishing, have been introduced to the surface of electrodischarge machined ceramic composites to improve their surface integrity. The surface roughness, hardness, and topography of the ceramic composites were examined after electrodischarge machining (EDM) and surface treatment. The effect of surface integrity on the strength and its distribution was investigated. Results show that ultrasonic and abrasive blasting surface finishing can produce an improvement in both flexural strength and Weibull modulus, and are two effective procedures to improve the surface integrity of the EDM ceramic composites.
URI: http://hdl.handle.net/10397/12538
ISSN: 0267-0844
DOI: 10.1179/026708400101517396
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