Paper Title:
Fatigue Crack Behavior of Welds in Q460NH Steel
  Abstract

The fatigue crack growth behavior of weld joint of Q460NH steel is very important for estimating life-time in terms of a crack length in weld joint. In this paper , fatigue crack growth behavior of weld metal (WM),heat affected zone(HAZ) and mother metal(BM) have been researched at room temperature. The variation of fatigue crack growth rate(da/dN) with stress intensity factor range (ΔK) for WM, HAZ and BM is discussed within the Paris region. It is shown that fatigue crack growth rate of WM is the slowest in tree parts .

  Info
Periodical
Chapter
Chapter 4: Mechanical Behavior & Fracture
Edited by
Prasad Yarlagadda, Yun-Hae Kim, Zhijiu Ai and Xiaodong Zhang
Pages
674-677
DOI
10.4028/www.scientific.net/AMR.337.674
Citation
K. N. Jia, "Fatigue Crack Behavior of Welds in Q460NH Steel", Advanced Materials Research, Vol. 337, pp. 674-677, 2011
Online since
September 2011
Authors
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Price
$32.00
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