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- Article name
- Hot isostatic pressing of the single-crystal engine blades with composite coatings
- Authors
- BERESNEV A. G., , info@kompozit-mv.ru, JSC Kompozit, Korolev, Moscow region, Russia
RAZYMOVSKII I. M., , razumovskii@yahoo.com, JSC Kompozit, Korolev, Moscow region, Russia
BUTRIM V. N., , info@kompozit-mv.ru, Institute of Nova Metallurgical Technology JSC Komposit, Korolev, Moscow region, Russia
Bytsenko O. A., , oksiwear@yandex.ru, Federal State Unitary Enterprise «All-Russian Scientific Research Institute of Aviation Materials», Moscow, Russia
MARININ S. F., , info@kompozit-mv.ru, Joint Stock Company "Kompozit", Korolyov, Moscow region, Russia
TIKHONOV A. A., , info@kompozit-mv.ru, Joint Stock Company "Kompozit", Korolyov, Moscow region, Russia
- Keywords
- Ni-base superalloys / engine blades / protective coatings / porosity / hot isostatic pressing / fatigue
- Year
- 2014 Issue 2 Pages 20 - 23
- Code EDN
- Code DOI
- Abstract
- Hot isostatic pressing is used for densification of the protective coating at the surface of engine blades from Ni-base superalloy GS32. The compozit protective coating was fabricated by electroplating onto the surface of blade the protective layer from the Ni-Cr-Al-Ta-W-Hf-Si-Y alloy and aluminizing. It is demonstrated that a densification of the coating microstructure is occurred as a result of HIPing. A filling of the pores and microcrackes in the coating as a result of HIP is acompanied by significant improvement of the fatigue in accordance with fatigue testing of the HIPed blades made by MMPE named after V. V. Chernyshov, Moscow, RF.
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