EA201500103A1 - METHOD OF OBTAINING A HEAT PROTECTIVE COATING - Google Patents

METHOD OF OBTAINING A HEAT PROTECTIVE COATING

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Publication number
EA201500103A1
EA201500103A1 EA201500103A EA201500103A EA201500103A1 EA 201500103 A1 EA201500103 A1 EA 201500103A1 EA 201500103 A EA201500103 A EA 201500103A EA 201500103 A EA201500103 A EA 201500103A EA 201500103 A1 EA201500103 A1 EA 201500103A1
Authority
EA
Eurasian Patent Office
Prior art keywords
coating
heat
shielding
obtaining
technical problem
Prior art date
Application number
EA201500103A
Other languages
Russian (ru)
Other versions
EA027062B1 (en
Inventor
Василий Вячеславович Оковитый
Олег Георгиевич Девойно
Вячеслав Александрович Оковитый
Валентин Миронович Асташинский
Original Assignee
Белорусский Национальный Технический Университет
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Белорусский Национальный Технический Университет filed Critical Белорусский Национальный Технический Университет
Priority to EA201500103A priority Critical patent/EA027062B1/en
Publication of EA201500103A1 publication Critical patent/EA201500103A1/en
Publication of EA027062B1 publication Critical patent/EA027062B1/en

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  • Coating By Spraying Or Casting (AREA)

Abstract

Изобретение относится к области газотермического нанесения покрытий, в частности к способам плазменного напыления теплозащитных покрытий. Техническая задача, которую решает предлагаемое изобретение - получение более дешевого теплозащитного покрытия с повышенной термостойкостью. Поставленная техническая задача решается следующим образом. В способе получения теплозащитного покрытия, включающем плазменное нанесение подслоя из сплава кобальт-никель, содержащего хром, алюминий и один из редкоземельных металлов, нанесение основного слоя из частично стабилизированного диоксида циркония с заданным порораспределением по толщине слоя, лазерную импульсную обработку и последующее охлаждение ниже температуры начала m-t фазового перехода, покрытие наносят на режимах, позволяющих сформировать в покрытии максимальное количество тетрагональной фазы, а лазерную импульсную обработку проводят с поверхностной плотностью энергии излучения от 1000 до 1500 кДж/м.The invention relates to the field of gas-thermal coating, in particular to methods of plasma spraying of heat-shielding coatings. The technical problem that solves the present invention is to obtain a cheaper heat-shielding coating with high heat resistance. The technical problem is solved as follows. In the method of obtaining a heat-shielding coating, including plasma deposition of a cobalt-nickel alloy sublayer containing chromium, aluminum and one of the rare-earth metals, applying a base layer of partially stabilized zirconium dioxide with a predetermined pore distribution over the layer thickness, laser pulse treatment and subsequent cooling below the onset temperature mt phase transition, the coating is applied on the modes, allowing to form the maximum amount of the tetragonal phase in the coating, and the laser pulse treatment is carried out with the surface of the radiation energy density of from 1000 to 1500 kJ / m.

EA201500103A 2014-12-15 2014-12-15 Method for production of a heat-protection coating EA027062B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EA201500103A EA027062B1 (en) 2014-12-15 2014-12-15 Method for production of a heat-protection coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EA201500103A EA027062B1 (en) 2014-12-15 2014-12-15 Method for production of a heat-protection coating

Publications (2)

Publication Number Publication Date
EA201500103A1 true EA201500103A1 (en) 2016-06-30
EA027062B1 EA027062B1 (en) 2017-06-30

Family

ID=56194148

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201500103A EA027062B1 (en) 2014-12-15 2014-12-15 Method for production of a heat-protection coating

Country Status (1)

Country Link
EA (1) EA027062B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2751499C1 (en) * 2020-10-20 2021-07-14 Федеральное государственное казенное военное образовательное учреждение высшего образования "Краснодарское высшее военное авиационное училище летчиков имени Героя Советского Союза А.К. Серова" Method for applying heatproof wear-resistant coating to cast iron and steel parts

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070207328A1 (en) * 2006-03-01 2007-09-06 United Technologies Corporation High density thermal barrier coating
CN101768714B (en) * 2010-02-09 2012-08-15 江苏大学 Method for preparing thermal barrier coating by laser compound plasma spraying
CN103276394A (en) * 2013-06-17 2013-09-04 铜陵学院 Laser remelting one-step reinforcing processing method and device thereof for plasma sprayed thermal barrier coating with double-layer structure
RU2532646C1 (en) * 2013-06-28 2014-11-10 Фонд поддержки научной, научно-технической и инновационной деятельности "Энергия без границ" (Фонд "Энергия без границ") Multi-layered thermal barrier coating

Also Published As

Publication number Publication date
EA027062B1 (en) 2017-06-30

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG TJ TM RU