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Date of Publication:2014-01-01

Journal:钛工业进展

Issue:4

Page Number:1-5

ISSN No.:1009-9964

Abstract:This paper introduces two approaches to research the titanium alloy blade-disk dovetail fretting fatigue failure of turbine engine: the axial and dovetail fretting fatigue tests .The former is mainly used to study the failure mechanisms and the fretting resistance of protective layer .The latter is used to do mechanical analysis and numerical simulation .Integrated use of fretting wear , axial and dovetail fretting fatigue test and finite element analysis method to do the system research of fretting fatigue mechanism , factors and the property of protective layers is the key to complete the complex fretting fatigue failure research of the blade-disk in aeroengine turbine .

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