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Analysis of acoustic emission during abrasive waterjet machining of sheet metals

Nazrin, Mokhtar and Gebremariam, M.A. and Mohd Hafizi, Zohari and Azmir, Azhari (2018) Analysis of acoustic emission during abrasive waterjet machining of sheet metals. In: International Conference on Innovative Technology, Engineering and Sciences (iCITES 2018), 1-2 March 2018 , Universiti Malaysia Pahang, Pahang, Malaysia. pp. 1-5., 342 (1). ISSN 17578981

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Abstract

The present paper reports on the analysis of acoustic emission (AE) produced during abrasive waterjet (AWJ) machining process. This paper focuses on the relationship of AE and surface quality of sheet metals. The changes in acoustic emission signals recorded by the mean of power spectral density (PSD) via covariance method in relation to the surface quality of the cut are discussed. The test was made using two materials for comparison namely aluminium 6061 and stainless steel 304 with five different feed rates. The acoustic emission data were captured by Labview and later processed using MATLAB software. The results show that the AE spectrums correlated with different feed rates and surface qualities. It can be concluded that the AE is capable of monitoring the changes of feed rate and surface quality.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Acoustic emission; Abrasive waterjet machining; Sheet metals
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TS Manufactures
Faculty/Division: Faculty of Manufacturing Engineering
Faculty of Mechanical Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 18 Jul 2018 02:51
Last Modified: 18 Jul 2018 02:51
URI: http://umpir.ump.edu.my/id/eprint/21617
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