Shanyavskii, A.A.; Potapenko, Yu.A.
(Проблемы прочности, 2008)
In-service propagatingfatigue cracks were examined in EI-698VD superalloy thin turbine covered disks ofthefirst, second, and third stages ofa TV3-117VK helicopter engine within service lifes of 200-1800 h. To reveal causes ...