Hardness and microstructural studies of electron beam welded joints of Zircaloy-4 and stainless steel

作者: M Ahmad , JI Akhter , MA Shaikh , M Akhtar , M Iqbal

DOI: 10.1016/S0022-3115(01)00757-7

关键词: IntermetallicDiffusionCathode rayWeldingEutectic systemMetallurgyMaterials scienceNuclear industryZirconium alloy

摘要: Abstract Electron beam welded joints between Zircaloy-4 and stainless steel 304L are investigated due to their importance in the nuclear industry. The molten heat affected zones (HAZs) found be free of defects. Diffusion Fe, Cr Ni is observed near zone Zr Sn steel. A rod-shaped intermetallic compound Zr(Cr,Fe) 2 eutectic phases ZrCr –liquid (Zr,Fe) Fe–Zr present zone. hardness zone, containing 2, much higher than rest HAZs.

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