TPWJ, 2021, #5, 46-50 pages
Calculation of residual stress-strain state of deposited steel sheet plates
I.K. Senchenkov1, I.O. Ryabtsev2, O.P. Chervinko1 and A.A. Babinets2
S.P. Timoshenko Institute of Mechanics of the NAS of Ukraine
3 Nesterov Str., 02000, Kyiv, Ukraine
E.O. Paton Electric Welding Institute of the NAS of Ukraine
11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: email@example.com
Finite-element calculation procedure was developed and stress-strain and microstructural state was studied at singleand
two-layer surfacing of 3 mm sheets from St3 steel by Sv-Kh19N18G6M3V2, PP-Np-25Kh5FMS and Sv-08A
wires. Calculations of SSS, microstructural state and shape change of the sheets at surfacing under the smooth support
conditions were performed. The model of plane-deformation state (PDS) predicts greater deflections, compared to
the model of plane-stress state (PSS), except for materials with martensite transformations (PP-Np-25Kh5FMS). At
surfacing by materials with martersite transformations, greater deflections are in place due to volumetric effects of
transformation. Except for deposited metal with martensite transformations (25Kh5FMS), the model of simultaneous
deposition of a layer predicts greater deflection, compared to that of bead-by-bead deposition and it can be used for
assessment of upper deflection limit. Satisfactory correlation was obtained for calculated and experimental data on
surfaced sheet deflections. Rational schemes of supporting and fastening the element edges were determined, which
provide minimum residual deflections. Ref. 7, 1 Table, 7 Figures.
arc surfacing, stress-strain state, surfaced sheet deformations, Bodner–Partom model, deflection calculation
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