%0 Journal Article %T Impact assessment of ultrasonic vibrations on the stress state of the hole surface layer when treated by the calibration method %A Lebedev, V.A. %A Torop, Y.A. %A Kochetov, A.N. %A Koval, N.S. %K calibration, mandrel, cylindrical hole, traction force, ultrasonic field energy, stress state of the surface layer, hole surface condition %J Science intensive technologies in mechanical engineering %D 2023 %N 2023 %P 6 %I Bryansk State Technical University