Abstract
The course of investigations on working out of technological conditions of automatic repair HPDL welding of longitudinal cracks in the web of the internal ring of the nozzle set of the TW2-117 engine turbine of the MI-8 helicopter made of EI-35(24-16-6) creep-resisting austenitic steel is described. Liquid-penetrant inspection and metallographic examination show high quality of repair joints.
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