Paper Title:
Assessment of Tensile and Fatigue Damage in 316L Stainless Steel by Acoustic Emission Technique
  Abstract

Acoustic emission (AE) technique was applied to evaluate both tensile deformation of 316L stainless steel and bending-fatigue damage of socket-welded pipe. AE activity was monitored during tensile deformation of plate-type specimens subjected to various heat treatments. Variation in RMS voltage of AE signal was correlated with the amount of strain-induced martensite phase. Secondly, actual size of socket-welded pipe specimen was bending-fatigued under various stresses. Crack initiation was determined by observing an abrupt increase in AE count, and confirmed by radiographic examination before and after the crack initiation cycle. Potentials of AE technique for monitoring fatigue crack initiation were discussed.

  Info
Periodical
Solid State Phenomena (Volumes 124-126)
Edited by
Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park
Pages
1381-1384
DOI
10.4028/www.scientific.net/SSP.124-126.1381
Citation
J. W. Byeon, S.I. Kwun, K. M. Kang, "Assessment of Tensile and Fatigue Damage in 316L Stainless Steel by Acoustic Emission Technique", Solid State Phenomena, Vols. 124-126, pp. 1381-1384, 2007
Online since
June 2007
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Price
$32.00
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