TY CONF TI DEVELOPMENT OF A SENSOR FOR MONITORING FATIGUE STRESS IN LOAD-BEARING METAL STRUCTURES OF AN AUTOMOBILE KW non-destructive testing KW fatigue stress KW load-bearing metal structures of an automobile KW coercimeter KW coercive force KW fatigue failure KW residual life diagnostics KW magnetic testing methods JO MODERN TECHNOLOGIES AND SYSTEMS IN TRANSPORT: PROBLEMS AND PROSPECTS AU Chumakov, A.A. AU Fedorov, L.M. AU Grachev, A.A. AU Sidorkin, D.I. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov