Development of Residual Stress during Manufacturing of Spiral Welded Pipes
作者： A. F. M. Arif , A. S. Al-Omari , Y. Al-Nassar
DOI: 10.1080/10426914.2011.647939
关键词:
摘要: Spiral welded pipes (SWPs) are produced from forming and welding of plate or strip material with seam running its entire length in a spiral form. The relative structural weakness these is due to high residual stress developed during welding, which depends on various parameters their interaction. Finite element method (FEM) was used predict the temperature fields 56-inch spirally steel pipe. Temperature-dependent thermal mechanical properties were incorporated model. Arc modelled as three-dimensional (3D) volumetric moving heat source. stresses after completion process investigated. For validation, numerically predicted compared measured values using split-ring hole-drilling methods. It found that von Mises attained cooling cycle solidification molten zones. Moreover, effect speed level of...
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