Metallic material characterization using acoustics signal analysis

Mohd Sani Ahmad, Mohd. Zaki Nuawi, Alias Othman, Muhamad Arif Fadli Ahmad

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Characterization of material properties is a vital aspect in engineering structural design as it practically use as a mechanical component. Nonetheless with such application, the component is highly vulnerable to failed under active loading condition. To prevent such failure, a reliable test to characterize the in-service structural component and its material properties is highly sought by manufacturing industries. This study is based on non-destructive testing by implementing the acoustics signals to describe the relationship of metallic material properties. Experimental procedure accordance to ASTM 1876 standards was carried out by using an impact hammer within specific range of impact force and acted to the specimens. Four types of materials were used in the study, such as medium carbon steel S50C, stainless steel AISI 304, cast iron FCD 500, and brass. The measurement process involves two types of observation data signal which were acoustic signal and impact force. Subsequently, microphone and an impact hammer were used for data acquisition signals. Acoustic signals are then filtered and analyzed using two methods, namely Integrated Kurtosis based Algorithm for Z-notch filter (I-kazTM) and Mesokurtosis Zonal Nonparametric (M-Z-N). The experimental curves obtained by the determination of I-kazTM coefficient and M-Z-N coefficient for various impact forces and metallic materials found that the results were statistically significant and can be successfully used for determining the correlation between the characteristic of the curves and the relevant elastic properties of the metallic materials. Apparently, experimental test of this analysis method on four metallic materials showed a good agreement between the quadratic coefficients with the metallic materials properties.

Original languageEnglish
Pages (from-to)31-37
Number of pages7
JournalJurnal Teknologi
Volume78
Issue number6-10
Publication statusPublished - 2016

Fingerprint

Signal analysis
Materials properties
Acoustics
Hammers
Notch filters
Brass
Microphones
Nondestructive examination
Cast iron
Structural design
Carbon steel
Data acquisition
Stainless steel
Industry

Keywords

  • Acoustic signal
  • I-kaz™ Method
  • M-Z-N method
  • Metallic material properties

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ahmad, M. S., Nuawi, M. Z., Othman, A., & Fadli Ahmad, M. A. (2016). Metallic material characterization using acoustics signal analysis. Jurnal Teknologi, 78(6-10), 31-37.

Metallic material characterization using acoustics signal analysis. / Ahmad, Mohd Sani; Nuawi, Mohd. Zaki; Othman, Alias; Fadli Ahmad, Muhamad Arif.

In: Jurnal Teknologi, Vol. 78, No. 6-10, 2016, p. 31-37.

Research output: Contribution to journalArticle

Ahmad, MS, Nuawi, MZ, Othman, A & Fadli Ahmad, MA 2016, 'Metallic material characterization using acoustics signal analysis', Jurnal Teknologi, vol. 78, no. 6-10, pp. 31-37.
Ahmad, Mohd Sani ; Nuawi, Mohd. Zaki ; Othman, Alias ; Fadli Ahmad, Muhamad Arif. / Metallic material characterization using acoustics signal analysis. In: Jurnal Teknologi. 2016 ; Vol. 78, No. 6-10. pp. 31-37.
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