RU2404294C2 - Composite metal-diamond coating, method of its production, electrolyte, diamond-containing additive of electrolyte and method of its production - Google Patents

Composite metal-diamond coating, method of its production, electrolyte, diamond-containing additive of electrolyte and method of its production Download PDF

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RU2404294C2
RU2404294C2 RU2007144170/02A RU2007144170A RU2404294C2 RU 2404294 C2 RU2404294 C2 RU 2404294C2 RU 2007144170/02 A RU2007144170/02 A RU 2007144170/02A RU 2007144170 A RU2007144170 A RU 2007144170A RU 2404294 C2 RU2404294 C2 RU 2404294C2
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diamond
carbon
particles
mass
nitrogen
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RU2007144170/02A
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RU2007144170A (en
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Галина Константиновна Буркат (RU)
Галина Константиновна Буркат
Валерий Юрьевич Долматов (RU)
Валерий Юрьевич Долматов
Елена Александровна Орлова (RU)
Елена Александровна Орлова
Евгений Васильевич Рыжов (RU)
Евгений Васильевич Рыжов
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Закрытое акционерное общество "Алмазный Центр"
Общество с ограниченной ответственностью "РАМ"
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Priority to RU2007144170/02A priority Critical patent/RU2404294C2/en
Priority to PCT/RU2009/000032 priority patent/WO2009084985A2/en
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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
    • C25D15/02—Combined electrolytic and electrophoretic processes with charged materials

Abstract

FIELD: electricity.
SUBSTANCE: coating is arranged in the form of metal film, which contains particles of synthetic carbon diamond-containing material dispersed in specified metal film, and the material contains carbon in the form of nuclei of superdispersed diamond surrounded by shell that contains radio-amorphous carbon, and having surface functional groups on surface of particles, containing oxygen, nitrogen and hydrogen, with ratio of nucleus weight and shell weight of (60-92):(40-8), accordingly, and having the following element composition, wt %: carbon 91-94, hydrogen 1.6-5.0, nitrogen 1.8-4.5 and oxygen 2.0-8.5, bound with coating metal. Method for coating production includes electrochemical deposition from electrolyte, containing ions of deposited metal and diamond-containing additive in the form of aqueous suspension of synthetic carbon diamond-containing material particles, specified above. Method for additive production includes processing of previously dried powder of diamond-containing charge with nitric acid in process of boiling for 2.0-5.0 hours, separation of produced product and its washing until pH makes 5.0-7.0.
EFFECT: improved microhardness, wear resistance, corrosion resistance.
8 cl, 19 tbl, 4 ex, 2 dwg

Description

Текст описания приведен в факсимильном виде.

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Claims (8)

1. Композиционное металл-алмазное покрытие, выполненное в виде образованной на поверхности изделия металлической пленки, содержащей диспергированные в указанной металлической пленке частицы синтетического углеродного алмазосодержащего материала, содержащего углерод в виде ядер ультрадисперсного алмаза, окруженных оболочкой, содержащей рентгеноаморфный углерод, и имеющего на поверхности частиц поверхностные функциональные группы, содержащие кислород, азот и водород, при соотношении массы ядра и массы оболочки (60-92):(40-8) соответственно, и имеющего элементный состав, % по массе: углерод 91-94, водород 1,6-5,0, азот 1,8-4,5 и кислород 2,0-8,5, связанные с металлом покрытия.1. Composite metal-diamond coating made in the form of a metal film formed on the surface of the product containing particles of synthetic carbon diamond-containing material dispersed in the specified metal film containing carbon in the form of ultrafine diamond cores surrounded by a shell containing X-ray amorphous carbon and having particles on the surface surface functional groups containing oxygen, nitrogen and hydrogen, with the ratio of the mass of the nucleus and the mass of the shell (60-92) :( 40-8), respectively O and having the elemental analysis,% by weight: carbon black 91-94, 1,6-5,0 hydrogen, nitrogen and oxygen 1,8-4,5 2,0-8,5 associated with the coating metal. 2. Способ получения композиционного металл-алмазного покрытия электрохимическим осаждением из электролита, содержащего источник ионов осаждаемого металла и дисперсную фазу в виде частиц алмазосодержащего материала, отличающийся тем, что осаждение проводят из электролита, содержащего в качестве дисперсной фазы алмазосодержащую добавку в виде водной суспензии частиц синтетического углеродного алмазосодержащего материала, содержащего углерод в виде ядер ультрадисперсного алмаза, окруженных оболочкой, содержащей рентгеноаморфный углерод, и имеющего на поверхности частиц поверхностные функциональные группы, содержащие кислород, азот и водород, при соотношении массы ядра и массы оболочки (60-92):(40-8) соответственно, и имеющего элементный состав, % по массе: углерод 91-94, водород 1,6-5,0, азот 1,8-4,5 и кислород 2,0-8,5.2. A method of producing a composite metal-diamond coating by electrochemical deposition from an electrolyte containing a source of ions of the deposited metal and a dispersed phase in the form of particles of diamond-containing material, characterized in that the deposition is carried out from an electrolyte containing as a dispersed phase a diamond-containing additive in the form of an aqueous suspension of synthetic particles carbon diamond-containing material containing carbon in the form of ultrafine diamond cores surrounded by a shell containing X-ray amorphous carbon a carbon atom, and having on the surface of particles surface functional groups containing oxygen, nitrogen and hydrogen, with a ratio of the mass of the nucleus and the mass of the shell (60-92) :( 40-8), respectively, and having the elemental composition,% by mass: carbon 91- 94, hydrogen 1.6-5.0, nitrogen 1.8-4.5 and oxygen 2.0-8.5. 3. Способ по п.2, отличающийся тем, что осаждение проводят из электролита, содержащего указанный синтетический углеродный алмазосодержащий материал в концентрации от 0,1 до 10,0 г/л электролита.3. The method according to claim 2, characterized in that the deposition is carried out from an electrolyte containing the specified synthetic carbon diamond-containing material in a concentration of from 0.1 to 10.0 g / l of electrolyte. 4. Электролит для электрохимического осаждения композиционных металл-алмазных покрытий, содержащий источник ионов осаждаемого металла и дисперсную фазу, включающую частицы алмазосодержащего материала, отличающийся тем, что в качестве дисперсной фазы содержит алмазосодержащую добавку в виде водной суспензии частиц синтетического углеродного алмазосодержащего материала, содержащего углерод в виде ядер ультрадисперсного алмаза, окруженных оболочкой, содержащей рентгеноаморфный углерод, и имеющего на поверхности частиц поверхностные функциональные группы, содержащие кислород, азот и водород, при соотношении массы ядра и массы оболочки (60-92):(40-8) соответственно, и имеющего элементный состав, % по массе: углерод 91-94, водород 1,6-5,0, азот 1,8-4,5 и кислород 2,0-8,5.4. The electrolyte for the electrochemical deposition of composite metal-diamond coatings containing a source of ions of the deposited metal and a dispersed phase, comprising particles of diamond-containing material, characterized in that the dispersed phase contains a diamond-containing additive in the form of an aqueous suspension of particles of synthetic carbon diamond-containing material containing carbon in in the form of ultrafine diamond nuclei surrounded by a shell containing X-ray amorphous carbon and having surface particles functional groups containing oxygen, nitrogen and hydrogen, with a ratio of the mass of the core and the mass of the shell (60-92) :( 40-8), respectively, and having the elemental composition,% by weight: carbon 91-94, hydrogen 1.6-5-5 0, nitrogen 1.8-4.5 and oxygen 2.0-8.5. 5. Электролит по п.4, отличающийся тем, что он содержит указанные частицы синтетического углеродного алмазосодержащего материала в концентрации 0,1-10,0 г/л электролита.5. The electrolyte according to claim 4, characterized in that it contains the indicated particles of synthetic carbon diamond-containing material in a concentration of 0.1-10.0 g / l of electrolyte. 6. Алмазосодержащая добавка электролита для электрохимического осаждения композиционных металл-алмазных покрытий, содержащая дисперсную фазу, включающую частицы алмазосодержащего материала, отличающаяся тем, что она выполнена в виде водной суспензии частиц синтетического углеродного алмазосодержащего материала, содержащего углерод в виде ядер ультрадисперсного алмаза, окруженных оболочкой, содержащей рентгеноаморфный углерод, и имеющего на поверхности частиц поверхностные функциональные группы, содержащие кислород, азот и водород, при соотношении массы ядер и массы оболочки (60-92):(40-8) соответственно, и имеющего элементный состав, % по массе: углерод 91-94, водород 1,6-5,0, азот 1,8-4,5 и кислород 2,0-8,5.6. A diamond-containing electrolyte additive for the electrochemical deposition of composite metal-diamond coatings, containing a dispersed phase comprising particles of a diamond-containing material, characterized in that it is made in the form of an aqueous suspension of particles of synthetic carbon diamond-containing material containing carbon in the form of ultrafine diamond cores surrounded by a shell, containing X-ray amorphous carbon, and having on the surface of particles surface functional groups containing oxygen, nitrogen and hydrogen d, with the ratio of the mass of nuclei and the mass of the shell (60-92) :( 40-8), respectively, and having the elemental composition,% by mass: carbon 91-94, hydrogen 1.6-5.0, nitrogen 1.8- 4.5 and oxygen 2.0-8.5. 7. Алмазосодержащая добавка по п.6, отличающаяся тем, что она содержит частицы указанного синтетического углеродного алмазосодержащего материала в концентрации 0,1-200,0 г/л водной суспензии.7. The diamond-containing additive according to claim 6, characterized in that it contains particles of the specified synthetic carbon diamond-containing material in a concentration of 0.1-200.0 g / l of an aqueous suspension. 8. Способ получения алмазосодержащей добавки в виде водной суспензии, содержащей дисперсную фазу, включающую частицы синтетического углеродного алмазосодержащего материала, содержащего углерод в виде ядер ультрадисперсного алмаза, окруженных оболочкой, содержащей рентгеноаморфный углерод, и имеющего на поверхности частиц поверхностные функциональные группы, содержащие кислород, азот и водород, при соотношении массы ядер и массы оболочки (60-92):(40-8) соответственно, и имеющего элементный состав, % по массе: углерод 91-94, водород 1,6-5,0, азот 1,8-4,5 и кислород 2,0-8,5, включающий обработку предварительно высушенного порошка алмазосодержащей шихты, представляющей собой смесь алмазов и неалмазных форм углерода, азотной кислотой при кипении в течение 2,0-5,0 ч, отделение полученного продукта от отработанной азотной кислоты и отмывание продукта дистиллированной водой до достижения в суспензии pH 5,0 - 7,0. 8. A method of obtaining a diamond-containing additive in the form of an aqueous suspension containing a dispersed phase, comprising particles of a synthetic carbon diamond-containing material containing carbon in the form of ultrafine diamond nuclei surrounded by a shell containing X-ray amorphous carbon, and having surface functional groups containing oxygen, nitrogen on the surface of the particles and hydrogen, with a ratio of the mass of nuclei and the mass of the shell (60-92) :( 40-8), respectively, and having the elemental composition,% by mass: carbon 91-94, hydrogen 1.6-5.0, nitrogen 1.8 -four , 5 and oxygen 2.0-8.5, including the processing of pre-dried powder of diamond-containing mixture, which is a mixture of diamonds and non-diamond forms of carbon, nitric acid at boiling for 2.0-5.0 hours, separation of the obtained product from spent nitrogen acid and washing the product with distilled water until the suspension reaches a pH of 5.0-7.0.
RU2007144170/02A 2007-11-29 2007-11-29 Composite metal-diamond coating, method of its production, electrolyte, diamond-containing additive of electrolyte and method of its production RU2404294C2 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2599471C1 (en) * 2015-05-06 2016-10-10 Федеральное государственное унитарное предприятие "Специальное конструкторско-технологическое бюро "Технолог" Method of producing electrochemical silver coating
RU2599473C1 (en) * 2015-05-06 2016-10-10 Федеральное государственное унитарное предприятие "Специальное конструкторско-технологическое бюро "Технолог" Method of electrochemical silver-nano-carbon-diamond coating producing
RU2699699C1 (en) * 2018-11-15 2019-09-09 Сергей Константинович Есаулов Composite metal-diamond coating, method of its production, diamond-containing additive of electrolyte and method of its production
RU2706931C1 (en) * 2019-03-01 2019-11-21 Сергей Константинович Есаулов Composite metal-diamond coating, method of its production, disperse system for deposition of composite metal-diamond coating and method for its production

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2599471C1 (en) * 2015-05-06 2016-10-10 Федеральное государственное унитарное предприятие "Специальное конструкторско-технологическое бюро "Технолог" Method of producing electrochemical silver coating
RU2599473C1 (en) * 2015-05-06 2016-10-10 Федеральное государственное унитарное предприятие "Специальное конструкторско-технологическое бюро "Технолог" Method of electrochemical silver-nano-carbon-diamond coating producing
RU2699699C1 (en) * 2018-11-15 2019-09-09 Сергей Константинович Есаулов Composite metal-diamond coating, method of its production, diamond-containing additive of electrolyte and method of its production
RU2706931C1 (en) * 2019-03-01 2019-11-21 Сергей Константинович Есаулов Composite metal-diamond coating, method of its production, disperse system for deposition of composite metal-diamond coating and method for its production

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