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Investigation of acoustic emission signals under a simulative environment of grinding burn

Liu, Qiang, Chen, Xun and Gindy, Nabil (2006) Investigation of acoustic emission signals under a simulative environment of grinding burn. International Journal of Machine Tools and Manufacture, 46 (3-4). pp. 284-292. ISSN 08906955

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Abstract

Grinding burn is a common phenomenon of thermal damage that has been one of the main constraints in grinding in respect of high efficiency and quality. An acoustic emission (AE) technique was tried in an attempt to identify grinding burn on-line. However, the AE features of grinding burn are relatively weak and are easily obscured by other AE sources. This paper presents an investigation of the AE features of the thermal expansion induced by laser irradiation, which was designed to simulate grinding thermal behaviour. By using wavelet packet transforms, AE features at the grinding burn temperature can successfully be extracted without other mechanical interferential factors. Such thermal AE features provide a firm foundation for analysing and monitoring the AE features of grinding burn.

Item Type: Article
Additional Information: UoA 25 (General Engineering)
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
T Technology > TA Engineering (General). Civil engineering (General)
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
School of Computing and Engineering > Centre for Precision Technologies > Advanced Machining Technology Group
School of Computing and Engineering > Diagnostic Engineering Research Centre > Measurement System and Signal Processing Research Group
School of Computing and Engineering > High-Performance Intelligent Computing > Information and Systems Engineering Group
School of Computing and Engineering > Diagnostic Engineering Research Centre
School of Computing and Engineering > High-Performance Intelligent Computing
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Depositing User: Graham Stone
Date Deposited: 20 Oct 2008 12:09
Last Modified: 10 Dec 2010 10:06
URI: http://eprints.hud.ac.uk/id/eprint/2299

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