Crack Growth Behavior in Residual Stress Field in Vessel Type Structures.

Dong, P. ; Zhang, J.

Technical Information Center Oak Ridge Tennessee

关键词: Risidual stress;    Storage tanks;    Welds;    Structural analysis;    Crack propagation;   

RP-ID  :  DE2004808878

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

Detailed residual stress analysis was performed for a multi-pass butt weld, representing the middle butt-girth weld of a storage tank. The analysis procedures took into account representative welding parameters, joint detail, weld pass deposition sequence, as well as temperature-dependent properties. The predicted residual stresses were then considered in stress intensity factor calculations using a three-dimensional finite element alternating model (FEAM) for investigating crack growth behavior for both small elliptical surface and through-wall cracks.