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FIELD: gas turbine engine production. SUBSTANCE: after welding washer- workpiece is subject for 0.5 - 2.0 h to softening heat treatment at a temperature by 20 - 50 C lower than temperature of recrystallization ongoing. This does not result in formation of coarse structure in washer-workpieces in zones of critical degree of strain. Washer-workpieces susceptibility to damage when deformed by rotation is prevented as a result. EFFECT: increased quality and prevention of flaw formation in circular workpiece at the expense of prevention of formation of different grain structure in initial washer-workpieces.
SU4724389/27A1989-07-271989-07-27Method to produce welded circular workpieces
SU1628366A1
(en)
The Only Mechanism of Growing Metal and Alloy Strength by Mechanical or Thermal Hardening(Unbalance) of the Lattice(Residual Reactive Internal Stresses)
Method for heat treating water machine engineerong type chrome-nickel steel castings of low carbon content and soft martensite respectively for heat treating preceding and succeeding the repair welding of same