Volume 5, Issue 2 ((Journal OF Welding Science and Technology) 2020)                   JWSTI 2020, 5(2): 39-50 | Back to browse issues page

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Rahimi N, Saed T. Study of Microstracture and Microhardness of Welded Austenic Stainless Steel 316L by TIG, A-TIG and FB-TIG Methods.. JWSTI 2020; 5 (2) :39-50
URL: http://jwsti.iut.ac.ir/article-1-177-en.html
1- , saeid@sut.ac.ir
Abstract:   (5095 Views)

In this study the effect of activating fluxes on the penetration depth, microstructure and microhardness of AISI316L austenitic stainless steel were evaluated by three TIG process variations (TIG, A-TIG and FB-TIG) and the results were compared together.. After selecting the optimal flux in the second stage, the effect of that on the penetration depth, microstructure and weld microhardness of  welded 316L austenitic stainless steel by A–TIG and FB-TIG methods, were evaluated and  the results were compared by the sample which was welded by TIG process. At this stage, it was found that the depth and width to depth ratio in FB-TIG method is slightly greater than the other two methods. Also in FB-TIG method, eqiaxed dendritic zone in the center line of weld is slightly greater than in A-TIG method. Study of microhardness of weld in three methods shows that in A-TIG and FB-TIG methods hardness of center line is more than TIG method.

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Type of Study: Research | Subject: Special

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