Effect of Solution Temperature on Microstructure of 2205 Duplex Stainless Steel Welded Joints

Abstract:

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The various temperature solution experiments were carried out in this paper, which for 2205 duplex stainless steel joints welded by manual arc welding. The evolutions of microstructure in pre/post solution treatment and the contents of ferrite phase were conducted by using optical microscope and ferrite scope detector. The analysis results in the welded, the heat affected and the base metal regions show that suitable solution treatment is effective to adjust the welded microstructure condition. The austenite in each region transformed into ferrite when the temperature enhanced from 1050 to 1200°C. This resulted in increasing the volume of ferrite and coarsening the grain. All microstructure characteristics of the three regions were taken into account, it deduced that the feasible solution temperature range was 1050~1100°C for 2205 duplex stainless steel welded joint.

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Periodical:

Edited by:

Hyungsun Kim, JianFeng Yang, Tohru Sekino, Masakazu Anpo and Soo Wohn Lee

Pages:

432-435

DOI:

10.4028/www.scientific.net/MSF.658.432

Citation:

Y. Y. Qiao et al., "Effect of Solution Temperature on Microstructure of 2205 Duplex Stainless Steel Welded Joints", Materials Science Forum, Vol. 658, pp. 432-435, 2010

Online since:

July 2010

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Price:

$35.00

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