A new look at the controllability of parts with complex configuration in penetrant testing

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Abstract

A method is proposed to determine uncontrolled areas of aircraft engine parts in penetrant testing, taking into account the specifics of applying developers of different types (all forms according to ISO 3452-3). The main technological factors affecting the testability of surfaces of parts of complex geometry are presented. A method has been experimentally tested, which makes it possible to determine the uncontrolled zones of engine parts in penetrant testing, due to the specifics of applying different forms of developers. It has been established that when carrying out penetrant testing of parts, especially with complex configurations/geometry, the existing technologies for applying developers may not ensure its high-quality application to all controlled surfaces of parts, as was previously assumed based on the results of an expert assessment. It has been experimentally proven that such structural elements of parts as holes are controlled to a depth much less than the diameter.

About the authors

I. I Kudinov

Federal State Unitary Enterprise �All-Russian Scientific Research Institute Of Aviation Materials Of The National Research Center �Kurchatov Institute� (Nrc �Kurchatov Institute� - VIAM)

Email: viamlab622@gmail.com
Moscow, Russia

A. N Golovkov

Federal State Unitary Enterprise «All-Russian Scientific Research Institute Of Aviation Materials Of The National Research Center «Kurchatov Institute» (Nrc «Kurchatov Institute» - VIAM)

Moscow, Russia

V. V Vakhov

Joint Stock Company «United Engine Corporation-Aviadvigatel» (JSC «Uec-Aviadvigatel»)

Perm, Russia

D. S Skorobogatko

Federal State Unitary Enterprise �All-Russian Scientific Research Institute Of Aviation Materials Of The National Research Center �Kurchatov Institute� (Nrc �Kurchatov Institute� - VIAM)

Moscow, Russia

A. S Generalov

Federal State Unitary Enterprise «All-Russian Scientific Research Institute Of Aviation Materials Of The National Research Center «Kurchatov Institute» (Nrc «Kurchatov Institute» - VIAM)

Moscow, Russia

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