Vibration impact acoustic emission technique for identification and analysis of defects in carbon steel tubes: Part A Statistical analysis

Zakiah Abd Halim, Nordin Jamaludin, Syarif Junaidi, Syed Yusainee Syed Yahya

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Current steel tubes inspection techniques are invasive, and the interpretation and evaluation of inspection results are manually done by skilled personnel. This paper presents a statistical analysis of high frequency stress wave signals captured from a newly developed non-invasive, non-destructive tube inspection technique known as the vibration impact acoustic emission (VIAE) technique. Acoustic emission (AE) signals have been introduced into the ASTM A179 seamless steel tubes using an impact hammer, and the AE wave propagation was captured using an AE sensor. Specifically, a healthy steel tube as the reference tube and four steel tubes with through-hole artificial defect at different locations were used in this study. The AE features extracted from the captured signals are rise time, peak amplitude, duration and count. The VIAE technique also analysed the AE signals using statistical features such as root mean square (r.m.s.), energy, and crest factor. It was evident that duration, count, r.m.s., energy and crest factor could be used to automatically identify the presence of defect in carbon steel tubes using AE signals captured using the non-invasive VIAE technique.

Original languageEnglish
Pages (from-to)1547-1557
Number of pages11
JournalJournal of Mechanical Science and Technology
Volume29
Issue number4
DOIs
Publication statusPublished - 1 Apr 2015

Fingerprint

Acoustic emissions
Vibrations (mechanical)
Carbon steel
Statistical methods
Defects
Steel
Inspection
Hammers
Wave propagation
Personnel
Sensors

Keywords

  • Acoustic emission
  • Impact force
  • Statistical analysis
  • Steel tube
  • Stress wave propagation

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Vibration impact acoustic emission technique for identification and analysis of defects in carbon steel tubes : Part A Statistical analysis. / Halim, Zakiah Abd; Jamaludin, Nordin; Junaidi, Syarif; Yahya, Syed Yusainee Syed.

In: Journal of Mechanical Science and Technology, Vol. 29, No. 4, 01.04.2015, p. 1547-1557.

Research output: Contribution to journalArticle

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