28th Congress of the International Council of the Aeronautical Sciences, 23 - 28 September 2012, Brisbane, Australia
Paper ICAS 2012-4.1.2

PREVENTION OF LOW CYCLE FATIGUE FRACTURE OF AVIATION ENGINE CRITICAL PARTS

Y. A. Nozhnitskiy, N. V. Tumanov
CIAM, Russian Federation

Keywords: disk, strength reliability, low cycle fatigue, life time, crack growth

New calculation and fractographic methods of safe periods between inspections critical engine parts were developed. Special tests ensures reliability of the suggested methods. The examples of elaborated methods to determine the safe intervals of nondestructive inspections for disks of civil and military engines are given.

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