TY JOUR TI STUDY OF THE QUALITY OF STEEL PLATES MANUFACTURED USING VARIOUS TECHNOLOGIES KW sheet metal KW cold bending KW chipping KW laser cutting KW cracks KW roughness KW microstructure KW hardness JO Transport engineering AU Safarov, D.T. AU Sochenko, T.V. AU Miftahov, F.K. AU Kablukov, V.V. AU Ishakov, T.F. PY 2026 IS 2026 PB Bryansk State Technical University