Volume 6, Issue 22 (12-2016)
مهندسی خوردگی 2016, 6(22): 31-44 |
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An Investigation of Heat Input on Corrosion Resistance of Stainless Steel Cladding Using Tungsten Inert Gas Welding. مهندسی خوردگی 2016; 6 (22) :31-44
URL: http://journal.ica.ir/article-1-136-en.html
URL: http://journal.ica.ir/article-1-136-en.html
Abstract: (237 Views)
The cladding of plain carbon steel with stainless steel is desired in industry because increase of corrosion resistance and reduction of economic costs. The cladding using tungsten electrode arc welding and shielding gas is in more attention due to unique features such as high quality and good adhesion to the base metal. In this study ER309L austenitic stainless steel was used as the primary layer and E316L as the final layer, on the SA516- Gr70 steel as well as the effect of heat input at four heat level (574.5 j/mm, 609, 673, 743.5) was investigated. The ferrite was measured by a ferrite meter and Cr-Ni equivalent chart. From these results the amount of ferrite was higher at minimum heat input with respect to other heat inputs. The corrosion resistance of the samples was evaluated. According to the results, it was observed that increasing the heat input reduced the corrosion resistance and the highest corrosion resistance was observed at minimum heat input (574.5 j /mm).
Type of Study: Research |
Subject:
General
Received: 2022/11/25 | Accepted: 2016/12/30 | Published: 2016/12/30
Received: 2022/11/25 | Accepted: 2016/12/30 | Published: 2016/12/30
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