[en] Excitation functions of the reactions "n"a"tTi(α,x)"4"8Cr, "n"a"tTi(α,x)"4"8V and "n"a"tTi(α,x)"4"6","4"8Sc were determined by the stacked-foil activation technique up to 40 MeV. The radioactivities produced in the "n"a"tTi target were measured by γ-ray spectrometry using HPGe detector. The reaction "n"a"tTi(α,x)"5"1Cr was used to determine the beam parameters. New experimental values for the above reactions have been obtained. An intercomparison of our data with the available literature values has been done. The cross section results obtained in this work could be useful in defining new monitor reactions, radiation safety and isotope production.