Modulus of rupture correlation study by acoustic signal analysis during impact test

Z. Karim, A. Y M Said, A. S. Ramli, A. R. Bahari, Jaharah A Ghani, Mohd. Zaki Nuawi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The identification of material's specific mechanical properties can be achieved through a series of standardized mechanical tests. This paper proposes a method to find the correlation between modulus of rapture and the specific coefficient (7Z∞) by the application of an alternative statistical analysis method called Multilevel Integrated Kurtosis Algorithm with Z-notch Filter (I-kaz Multilevel). In this study, an impact hammer was used as the impactor which connected to the pulse analyzer and then to the computer to measure the force applied during the impact. The impact test was performed on four rectangular bars with different materials but with the same dimension. The test was conducted in non-echoing or echo-free room and a microphone used to capture the acoustic responses generated during the impact test. The signals were analyzed using I-kaz Multilevel signal analysis to determine value of 7Z∞ coefficients for each impact test for the four materials. The plot of I-kaz Multilevel coefficients on the acoustic signal versus impact forces reveals a linear line with the average R squared values equal to 0.998. The coefficient value of the linear equation for each plot can be used to correlate the modulus of rupture of the material mechanical properties for acoustic signal analysis.

Original languageEnglish
Title of host publicationLecture Notes in Engineering and Computer Science
Pages1821-1824
Number of pages4
Volume3 LNECS
Publication statusPublished - 2013
Event2013 World Congress on Engineering, WCE 2013 - London
Duration: 3 Jul 20135 Jul 2013

Other

Other2013 World Congress on Engineering, WCE 2013
CityLondon
Period3/7/135/7/13

Fingerprint

Signal analysis
Acoustics
Mechanical properties
Notch filters
Hammers
Microphones
Linear equations
Statistical methods

Keywords

  • Acoustic
  • Correlation
  • I-kaz multilevel
  • Material mechanical property

ASJC Scopus subject areas

  • Computer Science (miscellaneous)

Cite this

Karim, Z., Said, A. Y. M., Ramli, A. S., Bahari, A. R., A Ghani, J., & Nuawi, M. Z. (2013). Modulus of rupture correlation study by acoustic signal analysis during impact test. In Lecture Notes in Engineering and Computer Science (Vol. 3 LNECS, pp. 1821-1824)

Modulus of rupture correlation study by acoustic signal analysis during impact test. / Karim, Z.; Said, A. Y M; Ramli, A. S.; Bahari, A. R.; A Ghani, Jaharah; Nuawi, Mohd. Zaki.

Lecture Notes in Engineering and Computer Science. Vol. 3 LNECS 2013. p. 1821-1824.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Karim, Z, Said, AYM, Ramli, AS, Bahari, AR, A Ghani, J & Nuawi, MZ 2013, Modulus of rupture correlation study by acoustic signal analysis during impact test. in Lecture Notes in Engineering and Computer Science. vol. 3 LNECS, pp. 1821-1824, 2013 World Congress on Engineering, WCE 2013, London, 3/7/13.
Karim Z, Said AYM, Ramli AS, Bahari AR, A Ghani J, Nuawi MZ. Modulus of rupture correlation study by acoustic signal analysis during impact test. In Lecture Notes in Engineering and Computer Science. Vol. 3 LNECS. 2013. p. 1821-1824
Karim, Z. ; Said, A. Y M ; Ramli, A. S. ; Bahari, A. R. ; A Ghani, Jaharah ; Nuawi, Mohd. Zaki. / Modulus of rupture correlation study by acoustic signal analysis during impact test. Lecture Notes in Engineering and Computer Science. Vol. 3 LNECS 2013. pp. 1821-1824
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