The Influence of Heat-Input on Structural and Mechanical Properties of 2205 Duplex Stainless Steel

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TAVOOSI M.; Arjomand S.; SOLGI S.

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Paper Information

Journal: JOURNAL OF WELDING SCIENCE AND TECHNOLOGY OF IRAN Year:2018 | Volume:4 | Issue:1 Page(s): 43-54

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Title

The Influence of Heat-Input on Structural and Mechanical Properties of 2205 Duplex Stainless Steel

Author(s)

TAVOOSI M. | Arjomand S. | SOLGI S. | Issue Writer Certificate

Keywords

Duplex stainless steel

Heat-input

GTAW

Mechanical properties

Abstract

The influence of Heat-input and pre-heat treatment on the structure, mechanical and corrosion behavior of 2205 Duplex stainless steel joint by means of GMAW process was the goal of this study. In this regards, the welding process was done using different heat input in the range of 0. 6 to 1. 4 kJ/mm and different pre-heating treatments in the range of 25 to 100 oC. The microstructural properties of prepared samples were evaluated using x-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. Based on archived results, the microstructure of as-welded samples were combinations of Widmaneshtaten austenite which nucleated from boundaries and growth toward central part of ferrite grains. By increasing the Heat-input, the percentages of ferrite and austenite phases decreased and increased, respectively. In this condition, the highest value of strength and ductility was achieved in as-weld samples with medium (1. 0 kJ/mm)Heat-input. The corrosion studies showed that the Heat-input has negligible effects on corrosion behaviorof 2205 Duplex stainless steel joint. It was also found that the pre-heating treatment has adverse effect on the Mechanical properties of the junction.

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APA: Copy

TAVOOSI, M., Arjomand, S., & SOLGI, S.. (2018). The Influence of Heat-Input on Structural and Mechanical Properties of 2205 Duplex Stainless Steel. JOURNAL OF WELDING SCIENCE AND TECHNOLOGY OF IRAN, 4(1 ), 43-54. SID. https://sid.ir/paper/269225/en

Vancouver: Copy

TAVOOSI M., Arjomand S., SOLGI S.. The Influence of Heat-Input on Structural and Mechanical Properties of 2205 Duplex Stainless Steel. JOURNAL OF WELDING SCIENCE AND TECHNOLOGY OF IRAN[Internet]. 2018;4(1 ):43-54. Available from: https://sid.ir/paper/269225/en

IEEE: Copy

M. TAVOOSI, S. Arjomand, and S. SOLGI, “The Influence of Heat-Input on Structural and Mechanical Properties of 2205 Duplex Stainless Steel,” JOURNAL OF WELDING SCIENCE AND TECHNOLOGY OF IRAN, vol. 4, no. 1 , pp. 43–54, 2018, [Online]. Available: https://sid.ir/paper/269225/en

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