The Effect of Welding Positions on the Weldability of X20CrMoV11-1 Steels
Küçük Resim Yok
Tarih
2018
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Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
In the study, mechanical properties of martensitic steel X20CrMoV11-1 was investigatedafter being welded using Tungsten Inert Gas (GTAW) welding method at different weldpositions (PC and PJ-EN 6947). The X20CrMoV11-1 steels have been widely used in thermalpower plant applications in combustion chambers and other high-temperature parts. Thesematerials experience extremely high internal pressure at the service conditions. WCrMoV12Si was used as the filler metal in the welding. The GTAW welding process was conducted ina controlled manner and all the parameters used during the process was monitored. The postwelding heat treatment was applied in order to eliminate the variations in the hardness of thewelded materials. The samples were characterized using tensile, bending, hardness, and notchimpact tests. Macro photographs were taken from the samples to observe the transition areas.The results indicated that the mechanical properties obtained from the samples welded in PCposition were higher than those obtained from PJ position.
Açıklama
Anahtar Kelimeler
Kaynak
Hittite Journal of Science and Engineering
WoS Q Değeri
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Cilt
5
Sayı
1
