Purcell, J.; Ellis, P.J.; Vicary, D.P.
(College of Aeronautics, 1958-09)
A series of tests have been carried out to determine the machinability
characteristics of Ultra High Tensile Steels in the 120 tons sq. ins. T/S range
with hardness values of 550 to 600 V.P.N.
Tool geometry and cutting ...