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Thermo-Mechanical Simulation of Hybrid Welding of DP/AISI 316 and TWIP/AISI 316 Dissimilar Weld.

作者信息

Perulli Patrizia, Dassisti Michele, Casalino Giuseppe

机构信息

Department of Mechanics Management Mathematics-DMMM, Polithecnic of Bari, via Orabona 4, 70125 Bari, Italy.

出版信息

Materials (Basel). 2020 May 1;13(9):2088. doi: 10.3390/ma13092088.

DOI:10.3390/ma13092088
PMID:32369953
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7254330/
Abstract

In this paper, hybrid laser-MAG (metal active gas) welding of twinning-induced plasticity (TWIP) and dual-phase (DP) steels with austenitic stainless steel (AISI316) was simulated by means of the finite element method. A thermo-mechanical model, which uses a 3D heat sources, was developed using the software Simufact Welding. The calculated dimensions, shape and distortion of the weld were compared with the experimental results, thence the model was validated. The metallurgical transformations for the DP steel were evaluated using the continuous cooling transformation (CCT) diagram and the calculated cooling rate. The numerical model predicted accurately the shape of the molten pool, the thermal cycles as well as the geometrical distortion of the butt weld. Therefore, the numerical model showed a good reliability and its potential for further development.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/2f2f18140af3/materials-13-02088-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/1cc4c7a41813/materials-13-02088-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/0c8ccba6580a/materials-13-02088-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/6b92b976d626/materials-13-02088-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/6f659c4cdc32/materials-13-02088-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/fc7c4b056fde/materials-13-02088-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/2a21171d6131/materials-13-02088-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/2c76e84c9f4b/materials-13-02088-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/02fc3d21c9b8/materials-13-02088-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/e3418b288eef/materials-13-02088-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/de4ef1394f08/materials-13-02088-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/ba6734b610b6/materials-13-02088-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/f4c976e31b7e/materials-13-02088-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/2f2f18140af3/materials-13-02088-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/1cc4c7a41813/materials-13-02088-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/0c8ccba6580a/materials-13-02088-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/6b92b976d626/materials-13-02088-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/6f659c4cdc32/materials-13-02088-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/fc7c4b056fde/materials-13-02088-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/2a21171d6131/materials-13-02088-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/2c76e84c9f4b/materials-13-02088-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/02fc3d21c9b8/materials-13-02088-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/e3418b288eef/materials-13-02088-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/de4ef1394f08/materials-13-02088-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/ba6734b610b6/materials-13-02088-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/f4c976e31b7e/materials-13-02088-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4869/7254330/2f2f18140af3/materials-13-02088-g013.jpg

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