Assessing mechanical properties of the dissimilar metal welding between P92 steels and alloy 617 at high temperature

In this study, a new welding technology of dissimilar materials, Cr-based P92 steels and Ni-based Alloy 617 is introduced and demonstrated to investigate its reliability. Firstly, multi-pass dissimilar metal welding between P92 steel and Alloy 617 was performed using DCEN TIG welding technology, but...

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Veröffentlicht in:	Journal of mechanical science and technology 2016, 30(10), , pp.4453-4457
Hauptverfasser:	Lee, J. H., Hwang, J. H., Park, Y. S., Kim, T. M., Bae, D. H., Seo, W. B., Han, J. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloy steels Assessments Chromium molybdenum vanadium steels Control Dissimilar material joining Dissimilar materials Dissimilar metals Dynamical Systems Engineering Gas tungsten arc welding Heat resistant steels High strength steels Industrial and Production Engineering Mechanical Engineering Mechanical properties Metallurgical analysis Nickel base alloys Steels Superalloys Tensile strength Vibration Welded joints Welding 기계공학
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Beschreibung
Zusammenfassung:	In this study, a new welding technology of dissimilar materials, Cr-based P92 steels and Ni-based Alloy 617 is introduced and demonstrated to investigate its reliability. Firstly, multi-pass dissimilar metal welding between P92 steel and Alloy 617 was performed using DCEN TIG welding technology, buttering welding technique and a narrow gap groove. After welding, in order to understand characteristics of the dissimilar metal welds, metallurgical micro-structures analysis by optical observation and static tensile strength assessment of the dissimilar welded joints were conducted at 700°C.
ISSN:	1738-494X 1976-3824
DOI:	10.1007/s12206-016-0911-1