powderИзвестия вузов. Порошковая металлургия и функциональные покрытияPowder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya)1997-308X2412-8767НИТУ "МИСИС"10.17073/1997-308X-2015-4-10-25powder-157Research ArticleНаноструктурированные материалы и функциональные покрытияNanostructured Materials and Functional CoatingsОсобенности получения спеченных электродов состава Ti–Ti3P–CaO и их применение в технологии импульсной электроискровой обработки титанаPeculiarities of formation of sintered electrodes of the Ti–Ti3P–CaO composition and their application in technology of pulsed electric-discharge machining of titaniumЛогиновП. А.LoginovP. A.

канд. техн. наук, мл. науч. сотр. Научно-учебного центра (НУЦ) СВС МИСиС–ИСМАН (119049, г. Москва, Ленинский пр-т, 4). Тел.: (499) 237-53-36

Ph. D., junior research scientist of Scientific-educational centre SHS MISIS–ISMAN (119049, Russia, Moscow, Leninsky pr., 4). Tel.: (499) 237-53-36

pavel.loginov.misis@list.ruЛевашовЕ. А.LevashovE. A.

докт. техн. наук., проф., акад. РАЕН, зав. кафедрой порошковой металлургии и функциональных покрытий МИСиС, директор НУЦ СВС МИСиС–ИСМАН. Тел.: (495) 638-45-00

Dr. Sci. (Tech.), prof., acad. of RANS, head of Department of powder metallurgy and functional coatings MISIS, director of Scientific-educational centre SHS MISIS–ISMAN. Tel.: (495) 638-45-00

levashov@shs.misis.ruПотанинА. Ю.PotaninA. Yu.

канд. техн. наук, мл. науч. сотр. НУЦ СВС МИСиС–ИСМАН. Тел.: (499) 237-53-36

Ph. D., junior research scientist of Scientific-educational centre SHS MISIS–ISMAN. Tel.: (499) 237-53-36

a.potanin@inbox.ruКудряшовА. Е.KudryashovA. E.

канд. техн. наук, вед. науч. сотр. НУЦ СВС МИСиС–ИСМАН. Тел./факс: (495) 955-00-26

Ph. D., leading research scientist of Scientific-educational centre SHS MISIS–ISMAN. Tel./fax: (495) 955-00-26

aekudr@rambler.ruМанаковаО. С.ManakovaO. S.

инженер НУЦ СВС МИСиС–ИСМАН. Тел.: (495) 638-44-42

engineer of Scientific-educational centre SHS MISIS–ISMAN. Tel.: (495) 638-44-42

manakova_ol@mail.ruШвындинаН. В.ShvyndinaN. V.

вед. инженер НУЦ СВС МИСиС–ИСМАН. Тел.: (495) 638-44-42

leading engineer of Scientific-educational centre SHS MISIS–ISMAN. Tel.: (495) 638-44-42.

natali19-03@list.ruСухоруковаИ. В.SukhorukovI. V.

инженер науч.-иссл. лаборатории неорганических наноматериалов МИСиС. Тел.: (495) 638-44-47.

engineer of Scientific-research laboratory of inorganic nanomaterials, MISIS. Tel.: (495) 638-44-47

irina_btnn@mail.ruНациональный исследовательский технологический университет «МИСиС», г. МоскваRussian Federation201517122015044558Copyright © НИТУ "МИСИС", 20152015НИТУ "МИСИС"НИТУ "МИСИС"https://powder.misis.ru/jour/about/submissions#copyrightNoticehttps://powder.misis.ru/jour/article/view/157

Исследовано влияние механической обработки на структуру и фазовый состав порошковых смесей Ti–10%Ca3(PO4)2. По технологии прессования и вакуумного спекания получены керамические электродные материалы Ti–Ti3P–CaO с высокой однородностью компонентов и остаточной пористостью 5–7 %. Изучена эрозионная способность спеченного металлокерамического электрода Ti–Ti3P–CaO при импульсной электроискровой обработке титановых подложек и проведено сравнение с электродами TiC0,5–Ti3POx–CaO, изготовленными методом самораспространяющегося высокотемпературного синтеза. Покрытия, полученные при использовании электродов Ti–Ti3P–CaO и TiC0,5–Ti3POx–CaO, характеризовались высокой сплошностью, толщиной до 20 мкм, микротвердостью до 3,6 ГПа, шероховатостью 3,3–4,6 мкм, наличием и равномерным распределением биоактивных элементов кальция и фосфора.

The influence of mechanical treatment on the structure and phase composition of Ti–10%Ca3(PO4)2 powder mixtures is investigated. The Ti–Ti3P–CaO ceramic electrode materials with a high uniformity of components and residual porosity of 5–7% are fabricated according to the pressing and vacuum sintering technology. The erosion ability of the Ti–Ti3P–CaO metal–ceramic electrode under the pulsed electric-discharge machining of titanium substrates is investigated and compared with the TiC0,5–Ti3POx–CaO electrodes fabricated by self-propagating high-temperature synthesis. Coatings fabricated when using Ti–Ti3P–CaO and TiC0,5–Ti3POx–CaO electrodes are characterized by high continuity, thickness up to 20 μm, microhardness up to 3,6 GPa, roughness to 3,3–4,6 μm, and the presence and uniform distribution of calcium and phosphorus bioactive elements.

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The authors declare that there are no conflicts of interest present.