Avtomaticheskaya Svarka (Automatic Welding), #10, 2020, pp. 26-33
Influence of amplitude and frequency of oscillations of electrode wire in arc surfacing on the formation and structure of the deposited metal and penetration of basic metal
A.A. Babinets, I.O. Ryabtsev, I.P. Lentyugov, I.I. Ryabtsev, T.V. Kayda, I.L. Bogaychuk
E.O. Paton Electric Welding Institute of the NAS of Ukraine.
11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: email@example.com
The influence of the amplitude and frequency of oscillations of the electrode wire during arc surfacing on the formation of
deposited beads, nature of the base metal penetration, as well as structural and chemical heterogeneity in the area of the joint of
deposited and base metals were studied. It was established that with an increase in the frequency of oscillations of the electrode
wire, at the same amplitude of oscillations and the rate of surfacing, an improvement in the formation of the deposited metal and
mixing of the layers in the deposited metal; formation of a more dispersed structure; reducing the width of the transition zone;
more uniform distribution of alloying elements; more uniform melting and «smoothing» of the fusion boundary of the deposited
and base metals occur. The mentioned regularities almost do not change with an increase in the amplitude of oscillations. It was
established that the best formation of the deposited metal occurs at the maximum frequency N = 45 min–1 and the amplitude A
= 25 mm of oscillations of the electrode wire and the surfacing rate Vs = 7 m/h. 8 Ref., 2 Tabl., 10 Fig.
arc surfacing, electrode wire oscillations, amplitude and frequency of oscillations, base metal penetration, deposited
metal formation, deposited metal structure, structure heterogeneity
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