Fatigue crack growth rates for offshore wind monopile weldments in air and seawater: SLIC inter-laboratory test results

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• 作者：Ali Mehmanparast^a ; ^{a.mehmanparast@cranfield.ac.uk} ; Feargal Brennan^a ; Isaac Tavares^b
• 关键词：Fatigue crack growth ; Monopile ; Weldments ; Offshore wind ; HAZ ; Base metal
• 刊名：Materials & Design
• 出版年：2017
• 出版时间：15 January 2017
• 年：2017
• 卷：114
• 期：Complete
• 页码：494-504
• 全文大小：1534 K
• 卷排序：114

文摘

Fatigue crack growth tests on BM and HAZ specimens have been conducted in air and free-corrosion seawater environments. A new shape function solution has been derived using Finite Element simulations and is presented in this paper. For both BM and HAZ materials, the FCG rate is on average around 2 times higher in seawater compared to air. In both air and seawater environments the mean curves for BM and HAZ fall close to each other.