THE MECHANICAL EVALUATION OF DISSIMILAR WELDS OF UNS 32750 SUPER DUPLEX STAINLESS STEEL TO AISI 304L AUSTENITIC STAINLESS STEEL

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RAHMANI MEHDI; SHAMANIAN MORTEZA; KASIRI MASOUD

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Journal: Journal of Advanced Processes in Materials Engineering Year:2014 | Volume:8 | Issue:1 (28) Page(s): 101-110

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Title

THE MECHANICAL EVALUATION OF DISSIMILAR WELDS OF UNS 32750 SUPER DUPLEX STAINLESS STEEL TO AISI 304L AUSTENITIC STAINLESS STEEL

Author(s)

RAHMANI MEHDI | SHAMANIAN MORTEZA | KASIRI MASOUD | Issue Writer Certificate

Keywords

DISSIMILAR WELDSQ2

SUPER DUPLEX STAINLESS STEELQ3

AUSTENITIC STAINLESS STEELQ2

MECHANICAL PROPERTIESQ2

Abstract

In this study, the MECHANICAL PROPERTIES of dissimilar welding of SUPER DUPLEX STAINLESS STEEL UNS 32750 to AUSTENITIC STAINLESS STEEL AISI 304L by gas tungsten arc welding process with direct current electrode negative polarity was investigated. For this purpose, two filler metals including ER25104L and ER309LMo were used. In order to achieve suitable structure and excellent MECHANICAL PROPERTIES in the mentioned joints, controlling of the heat input and pre heating were among the effective and controllable parameters. Microstructures of the weld metals, were evaluated using optical microscopy and scanning electron microscopy was used to analyze fracture surface. In addition, the MECHANICAL PROPERTIES including the bend test, ultimate strength, impact resistance and hardness were investigated. All the specimen underwent ductile fracture in HAZ in the tension test. The maximum fracture energy related to the ER 25104L the welded specimen. The maximum and minimum hardness corresponded to the ER 25104L and ER 309LMo, respectively. Finally, it was seen that for the joints, between the SUPER DUPLEX STAINLESS STEEL UNS 32750 to AUSTENITIC STAINLESS STEEL AISI 304L, the ER 251 04L filler provided the optimum qualities.

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APA: Copy

RAHMANI, MEHDI, SHAMANIAN, MORTEZA, & KASIRI, MASOUD. (2014). THE MECHANICAL EVALUATION OF DISSIMILAR WELDS OF UNS 32750 SUPER DUPLEX STAINLESS STEEL TO AISI 304L AUSTENITIC STAINLESS STEEL. ADVANCED PROCESSES IN MATERIALS, 8(1 (28)), 101-110. SID. https://sid.ir/paper/172426/en

Vancouver: Copy

RAHMANI MEHDI, SHAMANIAN MORTEZA, KASIRI MASOUD. THE MECHANICAL EVALUATION OF DISSIMILAR WELDS OF UNS 32750 SUPER DUPLEX STAINLESS STEEL TO AISI 304L AUSTENITIC STAINLESS STEEL. ADVANCED PROCESSES IN MATERIALS[Internet]. 2014;8(1 (28)):101-110. Available from: https://sid.ir/paper/172426/en

IEEE: Copy

MEHDI RAHMANI, MORTEZA SHAMANIAN, and MASOUD KASIRI, “THE MECHANICAL EVALUATION OF DISSIMILAR WELDS OF UNS 32750 SUPER DUPLEX STAINLESS STEEL TO AISI 304L AUSTENITIC STAINLESS STEEL,” ADVANCED PROCESSES IN MATERIALS, vol. 8, no. 1 (28), pp. 101–110, 2014, [Online]. Available: https://sid.ir/paper/172426/en

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