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2007•Transactions of Shenyang Ligong UniversityRequires access

The Simulation of the Automatic Welding Temperature Field in the Hidden Arc Butt Joint Welding of 20 Steel Tube

Shan Qing-cheng

Open publisher page 2 citations

Abstract

The distribution of temperature field in pipeline welding process has important influence to weld quality.In this article,the finite element model is used to simulate 20 steel pipeline butt joint welding process.The welding voltage,the welding speed as well as the heat source effective factor are selected on the simulation under the different welding current to calculate three-dimensional transient temperature field.The temperature cyclic curve of the welding pool and heat-affected zone are obtained simultaneously.The different welding current is input to modify input energy,the best welding current selection range is 720A～800A in the welding.The conclusion has guidance function for the selection of welding process parameter.

About this research paper

What this paper is about

The distribution of temperature field in pipeline welding process has important influence to weld quality.In this article,the finite element model is used to simulate 20 steel pipeline butt joint welding process.The welding voltage,the welding speed as well as the heat source effective factor are selected on the simulation under the different welding current to calculate three-dimensional transient temperature field.The temperature cyclic curve of the welding pool and heat-affected zone are obtained simultaneously.The different welding current is input to modify input energy,the best welding current selection range is 720A～800A in the welding.The conclusion has guidance function for the selection of welding process parameter.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The distribution of temperature field in pipeline welding process has important influence to weld quality.In this article,the finite element model is used to simulate 20 steel pipeline butt joint welding process.The welding voltage,the welding speed as well as the heat source effective factor are selected on the simulation under the different welding current to calculate three-dimensional transient temperature field.The temperature cyclic curve of the welding pool and heat-affected zone are obtained simultaneously.The different welding current is input to modify input energy,the best welding current selection range is 720A～800A in the welding.The conclusion has guidance function for the selection of welding process parameter.

Key concepts: Welding, Electrogas welding, Welding power supply, Butt welding, Electric resistance welding, Heat-affected zone, Mechanical engineering, Robot welding

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