TY JOUR TI Increasing the efficiency of slotting deep fir trees in gas turbine discs made of heat-resistant alloys by applying a combined method of hydroabrasive treatment and broaching KW broaching KW broaches KW fir-tree slots KW turbine discs KW gas turbine engines KW hydroabrasive treatment KW profile accuracy JO Science intensive technologies in mechanical engineering AU Makarov, V.F. AU Pesin, M.V. AU Volkov, M.V. PY 2023 IS 2023 PB Bryansk State Technical University