Browsing by Author "Lukianenko, Yevhenii Viktorovich"

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    Increasing the service life of aircraft parts with vacuum arc coatings
    (National Aviation University, 2021-12) Lukianenko, Yevhenii Viktorovich; Лук'яненко, Євгеній Вкторович
    Ensuring high levels of durability and wear resistance of friction parts is a decisive factor in improving reliability and service life of modern machines. Statistics shows that about 80% of faults in the machines are caused by wear and fracture of friction surfaces of machine parts. For aircraft the loss of details performance in the friction nodes is most often associated with the development of fretting. The landing gear details are one the most critical details of modern passenger and cargo aircrafts. The analysis of landing gear materials revealed that such world famous companies as Boeing, Airbus, Antonov more often use titanium alloys for landing gear details production. These alloys meet the working conditions of the landing gear in terms of endurance, but they have low wear resistance. With the help of coatings application many problems can be solved. Such as improving weather resistance and operational stability, grip strength, heat resistance, erosion resistance, protective properties and chemical resistance for a calendar resource. Therefore it is necessary to choose the coating to apply it on the details friction surfaces which can not only increase the wear resistance of new components, but can be used during the restoration processes.