cvmetИзвестия вузов. Цветная металлургияIzvestiya. Non-Ferrous Metallurgy0021-34382412-8783НИТУ МИСИС10.17073/0021-3438-2015-5-53-63cvmet-265Research ArticleПорошковая металлургия цветных металлов и сплавовPowder Metallurgy of Non-Ferrous Metals and AlloysО МЕХАНИЗМЕ САМОПРОИЗВОЛЬНОГО ПЛАКИРОВАНИЯ АЛМАЗА КАРБИДОМ ВОЛЬФРАМА В ПРОЦЕССЕ СПЕКАНИЯ ИНСТРУМЕНТА С НАНОМОДИФИЦИРОВАННОЙ МЕТАЛЛИЧЕСКОЙ СВЯЗКОЙ Сu–Fe–Co–NiA mechanism of spontaneous diamond cladding with tungsten carbide in the course of tool sintering with the Cu–Fe–Co–Ni nanomodified metallic binderСидоренкоД. А.SidorenkoD. A.

канд. техн. наук, науч. сотр. науч.-учеб. центра (НУЦ) СВС МИСиС–ИСМАН (119049, г. Москва, Ленинский пр-т, 4). Тел.: (495) 638-44-42

dsidorenko@inbox.ruЛевашовЕ. А.LevashovE. A.

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

levashov@shs.misis.ruЛогиновП. А.LoginovP. A.

инженер НУЦ СВС. Тел.: (499) 237-53-36

pavel.loginov.misis@list.ruШвындинаН. В.SvyndinaN. V.

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

natali19-03@list.ruСкрылеваЕ. А.SkrylevaE. A.

вед. инженер Центра коллективного пользования «Материаловедение и металлургия» МИСиС. Тел.: (495) 638-44-39

easkryleva@gmail.comУсковаИ. Е.UskovaI. E.

нач. отдела планирования, координации и анализа научной деятельности МИСиС.Тел.: (495) 638-44-89

uskova@fin.misis.ruНациональный исследовательский технологический университет «МИСиС», г. МоскваRussian Federation201512122015055363Copyright © Сидоренко Д.А., Левашов Е.А., Логинов П.А., Швындина Н.В., Скрылева Е.А., Ускова И.Е., 20152015Сидоренко Д.А., Левашов Е.А., Логинов П.А., Швындина Н.В., Скрылева Е.А., Ускова И.Е.Sidorenko D.A., Levashov E.A., Loginov P.A., Svyndina N.V., Skryleva E.A., Uskova I.E.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://cvmet.misis.ru/jour/article/view/265

Существуют три основных пути улучшения качества алмазного инструмента на металлической связке: повышение 1) свойств связки, 2) качества алмазных зерен, 3) адгезии связки к алмазам. В работе предложен эффективный способ одновременного повышения свойств связки и адгезии связки к алмазным зернам в процессе спекания композиционного материала. Изучен механизм самопроизвольного формирования покрытия на основе карбида вольфрама на поверхности алмазов в процессе спекания металломатричного композита, содержащего упрочняющие частицы карбида вольфрама. Покрытие формируется по механизму газотранспортной реакции.

There are three main ways to improve the quality of the diamond tool based on the metallic binder: an increase in (i) binder properties, (ii) quality of diamond grains, and (iii) adhesion to diamonds. An efficient method for a simultaneous increase in binder properties and binder adhesion to diamond in the course of sintering the composite materials is proposed in the study. A mechanism of spontaneous formation of the coating based on tungsten carbide on the surface of diamonds in the course of sintering the metal-matrix composite, which contains strengthening particles of tungsten carbide, is investigated. The coating is formed according to the gas-transport reaction mechanism.

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