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Shown is the efficiency of application of electron beam welding (EBW) for producing full-strength welded joint of commercial titanium rolled metal of 35 mm thickness, hardened by nitrogen of up to 0.1 wt.% in the process of arc-slag remelting (ASR). Data of X-ray spectral analysis prove the uniform distribution of nitrogen, aluminium, titanium, iron, oxygen both in the ASR rolled metal and also in the welded joint. Metallographic examinations confirmed the producing of quality welded joint without cracks, pores and other defects. Weld metal and base metal are characterized by a homogeneous structure. The uniform distribution of hardness HB and microhardness HV was observed both in the sheet commercial titanium and also in the welded joint. At content of nitrogen of up to 0.1 wt.% in titanium the hard inclusions of titanium nitride are absent both in the sheet ASR rolled metal and also in the weld metal made by the EBW. 13 Ref., 5 Figures.

Electron beam welding of sheet commercial titanium VT1-0, hardened by nitrogen in the process of arc-slag remelting, and properties of produced joints