Paper Title:
Correlation between Microstructure and J-R Fracture Resistance of AISI Type 347 Weld
  Abstract

The influence of the microstructure on the J-R ductile crack growth resistance of austenitic stainless steel AISI Type 347 welds was examined. The optical and electron microscopy, and chemical examinations and XRD analysis were conducted on a series of J-R test specimens which were tested at 316oC. It was concluded that the J-R property of the Type 347 weld decreased with increasing the contents of the Nb(C, N) precipitates which were dependant on the carbon contents of the filler metals. The higher δ-ferrite content also deteriorated the J-R property of the Type 347 weld.

  Info
Periodical
Materials Science Forum (Volumes 449-452)
Edited by
S.-G. Kang and T. Kobayashi
Pages
877-880
DOI
10.4028/www.scientific.net/MSF.449-452.877
Citation
J. H. Yoon, J. Park, S. D. Park, B. S. Lee, E. P. Yoon, "Correlation between Microstructure and J-R Fracture Resistance of AISI Type 347 Weld ", Materials Science Forum, Vols. 449-452, pp. 877-880, 2004
Online since
March 2004
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$32.00
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