Evolution of Microstructures on GTA Welded AISI304 Subjected to Hot Corrosion at 700°C under Na2SO4 + V2O5 (60%)

Sharief B. Hafeez; Kumar S. Senthil; B.K. Yeshwanth; N. Arivazhagan; Ramkumar K. Devendranath; S. Narayanan

doi:10.4028/www.scientific.net/SSP.185.84

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Evolution of Microstructures on GTA Welded AISI304 Subjected to Hot Corrosion at 700°C under Na₂SO₄ + V₂O₅ (60%)

Abstract:

In this work, an attempt was made to examine the microstructure changes on the gas tungsten arc welded AISI 304 subjected to hot corrosion in Na₂SO₄+ V₂O₅(60%) at 700°C under cyclic conditions. It was found that welding of AISI 304 using E308L showed better corrosion resistance and tensile strength as compared to ENiCu-7 filler wire. The corrosion products were analyzed using SEM/EDAX and XRD.

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Periodical:

Solid State Phenomena (Volume 185)

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84-86

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.185.84

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Online since:

February 2012

Authors:

Sharief B. Hafeez, Kumar S. Senthil, B.K. Yeshwanth, N. Arivazhagan, Ramkumar K. Devendranath, S. Narayanan

Keywords:

Austenitic Stainless Steel, Gas Tungsten Arc Welding (GTAW), Hot Corrosion

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