Volume 7, Issue 25 (10-2017)
مهندسی خوردگی 2017, 7(25): 69-80 |
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The Influence of Preheat Treatment and Filler Metal Type on Corrosion Resistance of 304 and 420 Stainless Steel in Dissimilar Welded Joint. مهندسی خوردگی 2017; 7 (25) :69-80
URL: http://journal.ica.ir/article-1-118-en.html
URL: http://journal.ica.ir/article-1-118-en.html
Abstract: (234 Views)
In this study corrosion properties of AISI 420 martensite and AISI 304 austenitic stainless steel were investigated in two preheated and with-out preheated treatment with austenite and martensitic filler metals. After welding by TIG method, potentiodynamic and cyclic polarization corrosion tests were performed on the samples. The microstructure of samples were analyzed by optical microscopy and scnning electron microscopy. The suitable filler metal and the preheating process determined by the results of corrosion and microstructural tests. The results showed that preheat treatment with the use of austenitic filler metal was a suitable method for achieving higher corrosion resistance of AISI 420 and AISI 304 stainless steels in the dissimilar welded joint.
Type of Study: Research |
Subject:
General
Received: 2022/11/14 | Accepted: 2017/10/2 | Published: 2017/10/2
Received: 2022/11/14 | Accepted: 2017/10/2 | Published: 2017/10/2
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