Study on Fatigue Crack Growth Rate of Welded Joint of Duplex Stainless Steel

Abstract:

The fatigue crack growth behavior of weld metal (WM), heat affected zone(HAZ) and base metal(BM) of Duplex Stainless Steel 2205(DSS) has been determined at high-frequency fatigue testing machine. The results show that the fatigue crack growth rate of WM is slowest and the ability to resist fatigue crack growth is highest in the three parts. Secondly, the sensitivity caused by the stress change of WM is the highest, followed by HAZ, and the BM is the weakest.

• Periodical: Advanced Materials Research (Volumes 291-294)
• Pages: 941-944
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.291-294.941
• Online since: July 2011
• Authors: Zheng Lun Wang, Zhi Xiang Wang
• Keywords: Duplex Stainless Steel, Fatigue Crack Behaviour, Weld Joint

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