DataVXScience and Technology of Welding and JoiningPaper
journal article·2014-02Open access

Thermal history in UNS S32205 duplex stainless steel friction stir welds

T. F. A. Santos, H. S. Idagawa, A. J. Ramirez

Science and Technology of Welding and Joining· Volume 19· Issue 2
Publisher pageOpen full text
Source abstract

Abstract

Consolidated UNS S32205 duplex stainless steel joints welds were performed using a friction stir welding (FSW) process. An experimental set-up was used to record the thermal history of duplex stainless steel FSW joint. For points at equal distance from the weld centreline, temperature measured near the beginning of the weld was lower than that measured in the middle of the welded joint. This was attributed to a non-stationary transfer condition. FSW thermal cycle showed shorter time spent at elevated temperature compared that presented by fusion welding, indicating less propensity to detrimental second phase precipitation. To support temperature measurements with thermocouples, a three-dimensional finite element thermal model of FSW was implemented, which provided a good agreement with experimental data.
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Research context

Metals & alloys

OpenAlex topics: Advanced Welding Techniques Analysis · Welding Techniques and Residual Stresses · Hydrogen embrittlement and corrosion behaviors in metals

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Brazilian Nanotechnology National Laboratory (LNNano), Campinas, SP, Brazil

School of Mechanical Engineering, University of Campinas (Unicamp), Campinas, SP, Brazil

Now at CPqD, Campinas, SP, Brazil

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