Methodology of calculation OF CRACK growth in rotating details of turbine engines

Аuthors

Lanevskiy Т. M.^1*, Leontiev M. K.^2**

1. Lyulka Scientific and Technical Center of the NPO "Saturn", 13 Kasatkin St., Moscow, 129301, Russia
2. Moscow Aviation Institute (National Research University), 4, Volokolamskoe shosse, Moscow, А-80, GSP-3, 125993, Russia

*e-mail: timurlan701@mail.ru
**e-mail: lemk@alfatran.com

Abstract

The article presents the methodology of calculation of crack growth in rotating elements of turbine engines. The questions of choice of location of the initial defect size and shape of the crack are considered. Resource of HPC disc from titanium alloy is estimated.

Keywords:

crack growth, high pressure compressor disk, complex loading cycle, cycle type, resource.