Investigation into the Wear Process of Laser Cladding from TiC Multilayer Coating for GTE Shrouded Blade Platforms

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 622)


The object of the study was to create a protective coating Ti-6Al-4V/TiC for applying the possibility technology by the laser metal deposition (LMD) method. One of the most suitable areas for LMD is to repair worn and/or damaged parts. It is well known that during GTE operation the fan blades are subjected to periodically varying forces causing vibrational bending and torsional stresses. One of the methods currently used to reduce the magnitude of the vibration stress is to use a shroud blade platform that significantly changes the vibration characteristics of the individual blades and the overall blade ring. The purpose of this study was to obtain information on the resistance to micro-motion of titanium carbide coatings obtained by LMD and also to consider the possibility of applying this technique to modernize and repair coatings for GTE shrouded blade platforms. For the study of fretting wear (dry alternating friction), a special friction machine «3308» was used. During the test, the run-in process of the sample and the functional dependence of the type were examined in detail. The wear and friction time of the optical viewing system and the measurement of the friction zone without removing the sample. The evaluation of the properties of the coating material was carried out at various stages of running-in wear. The experimental device for fretting wear and fretting corrosion significantly improved the possibility and contact pressures up to 1.0 GPa (with the influence condition of the desired corrosive environment that is easy to implement). As a result of research, new information was obtained on the wear rates of coatings under fretting wear conditions fans shrouded blade platforms characteristic and low-pressure compressors of gas turbine engines. The results of the study can be used to increase the design and technical development of the GTE platform anti-friction problem and to improve the application of hardened coatings on GTE components.

Abbreviations and Acronyms


Additive manufacturing


Laser metal deposition


Gas turbine engine


Unmelted carbide


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.School of Propulsion EngineeringMoscow Aviation Institute (National Research University)MoscowRussia

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