SU1759816A1 - Compound for producing erosion resistant coat - Google Patents

Compound for producing erosion resistant coat Download PDF

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Publication number
SU1759816A1
SU1759816A1 SU904825227A SU4825227A SU1759816A1 SU 1759816 A1 SU1759816 A1 SU 1759816A1 SU 904825227 A SU904825227 A SU 904825227A SU 4825227 A SU4825227 A SU 4825227A SU 1759816 A1 SU1759816 A1 SU 1759816A1
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SU
USSR - Soviet Union
Prior art keywords
composition
coating
glass fiber
glass
erosion resistant
Prior art date
Application number
SU904825227A
Other languages
Russian (ru)
Inventor
Инна Борисовна Баньковская
Мария Васильевна Сазонова
Юлия Валерьевна Мазур
Игорь Сергеевич Епифановский
Ирина Львовна Тихонова
Елена Ивановна Бондатий
Original Assignee
Институт Химии Силикатов Им.И.В.Гребенщикова
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.)
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Application filed by Институт Химии Силикатов Им.И.В.Гребенщикова filed Critical Институт Химии Силикатов Им.И.В.Гребенщикова
Priority to SU904825227A priority Critical patent/SU1759816A1/en
Application granted granted Critical
Publication of SU1759816A1 publication Critical patent/SU1759816A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions

Abstract

Использование: получение эрозионно стойких влагонепроницаемых покрытий дл  пористых материалов из высококремнеземистой керамики. Сущность: состав эрозионно стойкого покрыти  на высококремнеземистой керамике содержит оксид кремни , добавку SiBij и стеклосв зки при следующем соотношении компонентов, мас.%: 5-20 SlB-j, 15-25 ЗЮг, стеклосв зка остальное, причем стеклосв зка имеет состав , мас.%: 2-6 АЬОз, 25-40 В2Оз, 1-4 NazO, 0,4-1 LiaO, 0,4-2 F. 4-6 Рв20з, SiOa остальное. Степень черноты покрыти  0.85. шероховатость поверхности 3,9-6,4 мкм. 3 табл.Use: obtain erosion-resistant moisture-proof coatings for porous materials of high-silica ceramics. Essence: the composition of the erosion resistant coating on high-silica ceramics contains silicon oxide, SiBij additive and glass fiber in the following ratio of components, wt.%: 5-20 SlB-j, 15-25 Hg, glass fiber bond else, and glass fiber has the composition, wt. %: 2-6 AO3, 25-40 B2O3, 1-4 NazO, 0.4-1 LiaO, 0.4-2 F. 4-6 Rv20z, SiOa the rest. The blackness of the coating is 0.85. surface roughness of 3.9-6.4 microns. 3 tab.

Description

Изобретение относитс  к области защиты от эрозии изделий из высокопористой высококремнеземистой керамики и может быть использовано п авиационной, космической технике, в теплоэнергетических установках , в электронной технике, в частности при получении эрозионно стойких, влагонепроницаемых покрытий с высокой излуча- тельной способностью.The invention relates to the field of protection against erosion of products from highly porous high-silica ceramics and can be used in aviation, space technology, in heat and power installations, in electronic equipment, in particular in the preparation of erosion resistant, moisture-proof coatings with high emissivity.

Цель изобретени  - повышение излу- чательной способности и снижение шероховатости поверхности при снижении температурной области формировани  покрыти  до 900-1200°СThe purpose of the invention is to increase the emissivity and reduce surface roughness while reducing the temperature range of the coating formation to 900-1200 ° C.

Покрыти  нанос т методом шликерной технологии. Все компоненты размалывают и просеивают через сито 10000 отв./см2. Механическую смесь порошков смешивают с 2%-ным водным раствором карбоксиме- тилцеллюлозы в соотношении 2:3 дл  получени  шликера, который нанос т на поверхность материала кистью, валиком или пульверизатором. Покрытый образецThe coatings are applied using slip technology. All components are ground and sieved through a sieve of 10,000 holes / cm 2. The mechanical mixture of powders is mixed with a 2% aqueous solution of carboxymethylcellulose in a ratio of 2: 3 to obtain a slurry, which is applied to the surface of the material with a brush, roller or spray. Coated sample

высушивают при температуре до 100°С Получаетс  покрытие-полуфабрикат. Окончательное формирование покрыти  при высокой температуре и предусматриваетс  в процессе эксплуатации.dried at a temperature of up to 100 ° C. A semi-finished product is obtained. The final formation of the coating is at a high temperature and is provided during operation.

После сушки покрытие-полуфабрикат прочно сцепл етс  с подложкой, имеет темно-серый цвет, матовое. После обжига покрытие имеет черный цвет, блеск, прочное сцепление с подложкой.After drying, the coating semi-finished product adheres firmly to the substrate, has a dark gray color, frosted. After firing, the coating has a black color, gloss, strong adhesion to the substrate.

Конкретные данные по свойствам получаемого покрыти  в зависимости от соотношени  5Ю2-5 В4-стекло привод тс  в табл.1,в табл.2 даны составы св зующего, а в табл.3 - свойства покрыти  в зависимости от состава св зующего.Specific data on the properties of the resulting coating, depending on the ratio of Si-5-5 B4-glass, are given in Table 1, in Table 2, the binder compositions are given, and in Table 3, the properties of the coating, depending on the composition of the binder.

Claims (1)

Формула изобретени Invention Formula Состав дл  получени  эрозионно стойкого покрыти  на высококреммэземистой керамике, содержащий оксид кремни , до бавку и стеклосв зку, включающую 5Юг , В2Оз, Na20. LI2O, F и оксид трехвалентного металла 8-й группы ПериодическойA composition for producing an erosion resistant coating on high-silica ceramics containing silicon oxide, a additive and a glass fiber comprising 5O2, B2O3, Na20. LI2O, F and an oxide of a trivalent metal of the 8th group of the Periodic слcl сwith NN СПSP |0 00| 0 00 оabout системы, отличающийс  тем, что, с целью повышени  излучательной способности и снижени  шероховатости при снижении температурной области формировани  покрыти  до 900-1200°С, состав в качестве добавки содержит тетраборид кремни , а стеклосв зка в качестве оксида трехвалентного металла содержит Рв20з при следующем соотношении компонентов состава, мас.%:system, characterized in that, in order to increase emissivity and reduce roughness while reducing the temperature range of the coating formation to 900-1200 ° C, the composition contains silicon tetraboride as an additive, and glass fiber as a trivalent metal oxide contains Rv203 in the following ratio of components composition, wt.%: Оксид кремни 15-25Silicon oxide 15-25 00 Тетраборид кремни 5-20Tetraboride silicon 5-20 Стеклосв зка 60-80 и при соотношении компонентов в стекло- св зке, мас.%:Glass strand 60-80 and with a ratio of components in glass bonding, wt%: А 20з2-6A 20s2-6 В20з25-40B20z25-40 Na201-4Na201-4 LlaO0.4-1LlaO0.4-1 F 0,0.4-2F 0.0.4-2 Рв20з4-6Рв20з4-6 SI02ОстальноеSI02Everything else Состав покрыти  (в мае. %) и его свойстваCoating composition (in May.%) And its properties Состав стекла, мае. %The composition of the glass, May. % Таблица 1Table 1 1515 Таблица 2table 2 Таблица 3Table 3
SU904825227A 1990-05-15 1990-05-15 Compound for producing erosion resistant coat SU1759816A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU904825227A SU1759816A1 (en) 1990-05-15 1990-05-15 Compound for producing erosion resistant coat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU904825227A SU1759816A1 (en) 1990-05-15 1990-05-15 Compound for producing erosion resistant coat

Publications (1)

Publication Number Publication Date
SU1759816A1 true SU1759816A1 (en) 1992-09-07

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SU904825227A SU1759816A1 (en) 1990-05-15 1990-05-15 Compound for producing erosion resistant coat

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SU (1) SU1759816A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672631A1 (en) * 1994-03-16 1995-09-20 AEROSPATIALE Société Nationale Industrielle Two-layer high-temperature coating on ceramic substrate and its production
RU2549662C1 (en) * 2014-03-05 2015-04-27 ОАО "Обнинское научно-производственное предприятие "Технология" Radio-transparent protective coating with high radiant ability for metals and quartz glass-based products

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Авторское свидетельство СССР N 816095,кл. С 04 В 35/14, 1980. *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672631A1 (en) * 1994-03-16 1995-09-20 AEROSPATIALE Société Nationale Industrielle Two-layer high-temperature coating on ceramic substrate and its production
FR2717472A1 (en) * 1994-03-16 1995-09-22 Aerospatiale High temperature coating, in two layers, on a ceramic substrate, its production and its applications.
RU2549662C1 (en) * 2014-03-05 2015-04-27 ОАО "Обнинское научно-производственное предприятие "Технология" Radio-transparent protective coating with high radiant ability for metals and quartz glass-based products

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