Research of Adhesion Bonds between Gas-Thermal Coating and Pre-Modified Base

Результат исследований: Материалы для журнала

1 цитирование (Scopus)

Выдержка

Nature of adhesive bonds between gas-thermal nickel alloy coating and carbon steel base was examined using laser profilometry, optical metallography, transmission and scanning electron microscopy. The steel surface was plastically pre-deformed by an ultrasonic tool. Proved that ultrasound pre-treatment modifies the steel surface. Increase of dislocation density and formation of sub micro-structure are base elements of surface modification. While using high-speed gas-flame, plasma and detonation modes of coatings, surface activation occurs and durable adhesion is formed. Ultrasonic pre-treatment of base material is effective when sprayed particles and base material interact through physical-chemical bond formation. Before applying high-speed gas flame and plasma sprayed coatings, authors recommend ultrasonic pretreatment, which creates periodic wavy topography with a stroke of 250 microns on the steel surface. Before applying detonation sprayed coatings, authors recommend ultrasound pretreatment that create modified surface with a uniform micro-topography.

Язык оригиналаАнглийский
Номер статьи012087
ЖурналIOP Conference Series: Materials Science and Engineering
Том142
Номер выпуска1
DOI
СостояниеОпубликовано - 2 сен 2016
Событие7th International Scientific Practical Conference on Innovative Technologies in Engineering - Yurga, Российская Федерация
Продолжительность: 19 мая 201621 мая 2016

Отпечаток

Adhesion
Gases
Ultrasonics
Steel
Coatings
Sprayed coatings
Detonation
Topography
Plasmas
Profilometry
Metallography
Chemical bonds
Nickel alloys
Carbon steel
Surface treatment
Adhesives
Chemical activation
Hot Temperature
Transmission electron microscopy
Microstructure

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Цитировать

Research of Adhesion Bonds between Gas-Thermal Coating and Pre-Modified Base. / Kovalevskaya, Z.; Zaitsev, K.; Klimenov, V.

В: IOP Conference Series: Materials Science and Engineering, Том 142, № 1, 012087, 02.09.2016.

Результат исследований: Материалы для журнала

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