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Effects of Type of Backing Gas upon the Corrosion Prpperties of Welds on High Alloyed Steel


Grubić, Kajo; Juraga, Ivan; Bauer, Branko
Effects of Type of Backing Gas upon the Corrosion Prpperties of Welds on High Alloyed Steel // Proceedings of the International DAAAM Symposium "Intelligent Manufacturing & Automation : Focus on Reconstruction and Development" / Katalinić, Branko (ur.).
Wien, 2003. (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Effects of Type of Backing Gas upon the Corrosion Prpperties of Welds on High Alloyed Steel

Autori
Grubić, Kajo ; Juraga, Ivan ; Bauer, Branko

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the International DAAAM Symposium "Intelligent Manufacturing & Automation : Focus on Reconstruction and Development" / Katalinić, Branko - Wien, 2003

Skup
International DAAAM Symposium

Mjesto i datum
Sarajevo, Bosna i Hercegovina, 22.-25.10.2003

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
duplex steel; austenitic steel; backing gas; root pass; pitting

Sažetak
Effects of type of backing gas applied for root shielding upon the corrosion properties of root pass have been reported. Welding has been made applying TIG process and no filler material has been added. Argon has been used as the shielding gas.The base material were pipes with 2 mm thick walls, made of austenitic steel grade AISI 304 (equivalent to WNr. 1.4301) and duplex steel grade AISI S 31 803 (equivalent to WNr. 1.4462). In the case of welding of austenitic grade Ar, N2, and N2/ 5%H2 gases were used for root backing, while for the duplex grade, Ar, Ar/ 2%N2, Ar/ 10%N2 and N2 gases were used. Root pass has been tested for resistance to pitting corrosion applying ASTM G 48-92 method for 72 hours at 20°C and 24 hours at 50°C. Corrosion testing has been performed in the surface cleaned condition of samples. Content of ferrite in samples of welds has been determined, and for duplex steel analysis of microstructure has been done. Results of investigation indicate that type of shielding gas for root side has effects upon the resistance to pitting corrosion and percentage of ferrite in the root pass.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo



POVEZANOST RADA


Projekti:
0120018

Ustanove:
Fakultet strojarstva i brodogradnje, Zagreb

Profili:

Avatar Url Branko Bauer (autor)

Avatar Url Kajo Grubić (autor)

Avatar Url Ivan Juraga (autor)


Citiraj ovu publikaciju:

Grubić, Kajo; Juraga, Ivan; Bauer, Branko
Effects of Type of Backing Gas upon the Corrosion Prpperties of Welds on High Alloyed Steel // Proceedings of the International DAAAM Symposium "Intelligent Manufacturing & Automation : Focus on Reconstruction and Development" / Katalinić, Branko (ur.).
Wien, 2003. (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Grubić, K., Juraga, I. & Bauer, B. (2003) Effects of Type of Backing Gas upon the Corrosion Prpperties of Welds on High Alloyed Steel. U: Katalinić, B. (ur.)Proceedings of the International DAAAM Symposium "Intelligent Manufacturing & Automation : Focus on Reconstruction and Development".
@article{article, author = {Grubi\'{c}, Kajo and Juraga, Ivan and Bauer, Branko}, editor = {Katalini\'{c}, B.}, year = {2003}, keywords = {duplex steel, austenitic steel, backing gas, root pass, pitting}, title = {Effects of Type of Backing Gas upon the Corrosion Prpperties of Welds on High Alloyed Steel}, keyword = {duplex steel, austenitic steel, backing gas, root pass, pitting}, publisherplace = {Sarajevo, Bosna i Hercegovina} }
@article{article, author = {Grubi\'{c}, Kajo and Juraga, Ivan and Bauer, Branko}, editor = {Katalini\'{c}, B.}, year = {2003}, keywords = {duplex steel, austenitic steel, backing gas, root pass, pitting}, title = {Effects of Type of Backing Gas upon the Corrosion Prpperties of Welds on High Alloyed Steel}, keyword = {duplex steel, austenitic steel, backing gas, root pass, pitting}, publisherplace = {Sarajevo, Bosna i Hercegovina} }




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