Volume 5, Issue 1 ((Journal OF Welding Science and Technology 2019)
JWSTI 2019, 5(1): 13-29 |
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Abasi Baharanchi M, Askari S B. Dissimilar Welding of EN 10025 Carbon Steel to AISI 316L Stainless Steel by Friction Stir Welding. JWSTI 2019; 5 (1) :13-29
URL: http://jwsti.iut.ac.ir/article-1-253-en.html
URL: http://jwsti.iut.ac.ir/article-1-253-en.html
1- Faculty of Engineering, Department of Materials and Metallurgical engineering. Najafabad University, Iran.
Abstract: (5972 Views)
In the present Study, a dissimilar joint of carbon steel sheet EN 10025 with 316 L has been welded by FSW and the welding parameters were optimized by RSM software method. For investigation of mechanical properties and microstructural analysis carried out by using optical, scanning electron microscopes with EDS analysis, tensile and hardness test of different area of joints, SZ, TMAZ, HAZ, their interfaces and Base metal. The optimized result were shown that best of joints within maximum strength (UTS) 312 MPa by rotational speed 950 rpm, transverse speed 90 mm/min and tool angle 3° was achieved. The failures were happened at base metal of EN 10025 to advancing side. Metallographic results were shown that grain size at SZ is 10 to 20 time more reduced caused improved of mechanical properties. Also chemical analysis and hardness result on welded samples by optimized parameters were shown that quite good mixing was happened at SZ.
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