METHOD FOR PRODUCING SPRAYABLE COMPOSITE TARGET FROM CoMnSi HEUSLER ALLOY

FIELD: technological processes.SUBSTANCE: invention relates to the manufacture of sprayable composite targets of CoMnSi Heusler alloy, which can be used in the production of microelectronics. Method involves mechanical mixing of the powders of the alloy components to obtain a homogeneous powder mixt...

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Hauptverfasser: Chuvildeev Vladimir Nikolaevich, Sakharov Nikita Vladimirovich, Lesnikov Valerij Pavlovich, Trushin Vladimir Nikolaevich, Boldin Maksim Sergeevich, Demidov Evgenij Sergeevich, Chigirinskij Yurij Isaakovich, Belkin Oleg Anatolevich, Bobrov Aleksandr Andreevich, Sdobnyakov Viktor Vladimirovich
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creator Chuvildeev Vladimir Nikolaevich
Sakharov Nikita Vladimirovich
Lesnikov Valerij Pavlovich
Trushin Vladimir Nikolaevich
Boldin Maksim Sergeevich
Demidov Evgenij Sergeevich
Chigirinskij Yurij Isaakovich
Belkin Oleg Anatolevich
Bobrov Aleksandr Andreevich
Sdobnyakov Viktor Vladimirovich
description FIELD: technological processes.SUBSTANCE: invention relates to the manufacture of sprayable composite targets of CoMnSi Heusler alloy, which can be used in the production of microelectronics. Method involves mechanical mixing of the powders of the alloy components to obtain a homogeneous powder mixture and sintering it. Sintering the powder mixture is carried out by the method of electropulse plasma sintering in a graphite mold at a temperature of 600 °C and a minimum pressure of 2.5 kN by passing sequences of DC pulses of 5,000 A with a pulse duration of 3.3 ms through the filling of the powder mixture to obtain a composite target. Target porosity is monitored based on the data of the dilatometric shrinkage curve.EFFECT: mechanically strong, not oxidized, composite targets of an alloy with a porosity in the range of 10-30 % are obtained.1 cl, 3 dwg, 1 ex Изобретение относится к изготовлению распыляемых композитных мишеней сплава Гейслера CoMnSi, которые могут найти применение при производстве микроэлектроники. Способ включает механическое смешивание порошков компонентов сплава с получением однородной порошковой смеси и ее спекание. Спекание порошковой смеси ведут методом электроимпульсного плазменного спекания в графитовой пресс-форме при температуре 600°С и минимальном давлении 2,5 кН путем пропускания последовательностей импульсов постоянного тока 5000 А с длительностью импульса 3,3 мс через засыпку порошковой смеси с получением композитной мишени. Осуществляют контроль пористости мишени на основе данных дилатометрической кривой усадки. Обеспечивается получение механически прочных, не окисленных, композитных мишеней сплава с пористостью в диапазоне 10-30%. 1 з.п. ф-лы, 3 ил, 1 пр.
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Method involves mechanical mixing of the powders of the alloy components to obtain a homogeneous powder mixture and sintering it. Sintering the powder mixture is carried out by the method of electropulse plasma sintering in a graphite mold at a temperature of 600 °C and a minimum pressure of 2.5 kN by passing sequences of DC pulses of 5,000 A with a pulse duration of 3.3 ms through the filling of the powder mixture to obtain a composite target. Target porosity is monitored based on the data of the dilatometric shrinkage curve.EFFECT: mechanically strong, not oxidized, composite targets of an alloy with a porosity in the range of 10-30 % are obtained.1 cl, 3 dwg, 1 ex Изобретение относится к изготовлению распыляемых композитных мишеней сплава Гейслера CoMnSi, которые могут найти применение при производстве микроэлектроники. Способ включает механическое смешивание порошков компонентов сплава с получением однородной порошковой смеси и ее спекание. Спекание порошковой смеси ведут методом электроимпульсного плазменного спекания в графитовой пресс-форме при температуре 600°С и минимальном давлении 2,5 кН путем пропускания последовательностей импульсов постоянного тока 5000 А с длительностью импульса 3,3 мс через засыпку порошковой смеси с получением композитной мишени. Осуществляют контроль пористости мишени на основе данных дилатометрической кривой усадки. 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Method involves mechanical mixing of the powders of the alloy components to obtain a homogeneous powder mixture and sintering it. Sintering the powder mixture is carried out by the method of electropulse plasma sintering in a graphite mold at a temperature of 600 °C and a minimum pressure of 2.5 kN by passing sequences of DC pulses of 5,000 A with a pulse duration of 3.3 ms through the filling of the powder mixture to obtain a composite target. Target porosity is monitored based on the data of the dilatometric shrinkage curve.EFFECT: mechanically strong, not oxidized, composite targets of an alloy with a porosity in the range of 10-30 % are obtained.1 cl, 3 dwg, 1 ex Изобретение относится к изготовлению распыляемых композитных мишеней сплава Гейслера CoMnSi, которые могут найти применение при производстве микроэлектроники. Способ включает механическое смешивание порошков компонентов сплава с получением однородной порошковой смеси и ее спекание. Спекание порошковой смеси ведут методом электроимпульсного плазменного спекания в графитовой пресс-форме при температуре 600°С и минимальном давлении 2,5 кН путем пропускания последовательностей импульсов постоянного тока 5000 А с длительностью импульса 3,3 мс через засыпку порошковой смеси с получением композитной мишени. Осуществляют контроль пористости мишени на основе данных дилатометрической кривой усадки. 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Method involves mechanical mixing of the powders of the alloy components to obtain a homogeneous powder mixture and sintering it. Sintering the powder mixture is carried out by the method of electropulse plasma sintering in a graphite mold at a temperature of 600 °C and a minimum pressure of 2.5 kN by passing sequences of DC pulses of 5,000 A with a pulse duration of 3.3 ms through the filling of the powder mixture to obtain a composite target. Target porosity is monitored based on the data of the dilatometric shrinkage curve.EFFECT: mechanically strong, not oxidized, composite targets of an alloy with a porosity in the range of 10-30 % are obtained.1 cl, 3 dwg, 1 ex Изобретение относится к изготовлению распыляемых композитных мишеней сплава Гейслера CoMnSi, которые могут найти применение при производстве микроэлектроники. Способ включает механическое смешивание порошков компонентов сплава с получением однородной порошковой смеси и ее спекание. Спекание порошковой смеси ведут методом электроимпульсного плазменного спекания в графитовой пресс-форме при температуре 600°С и минимальном давлении 2,5 кН путем пропускания последовательностей импульсов постоянного тока 5000 А с длительностью импульса 3,3 мс через засыпку порошковой смеси с получением композитной мишени. Осуществляют контроль пористости мишени на основе данных дилатометрической кривой усадки. Обеспечивается получение механически прочных, не окисленных, композитных мишеней сплава с пористостью в диапазоне 10-30%. 1 з.п. ф-лы, 3 ил, 1 пр.</abstract><oa>free_for_read</oa></addata></record>
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subjects ALLOYS
BASIC ELECTRIC ELEMENTS
CASTING
CHEMISTRY
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
PERFORMING OPERATIONS
POWDER METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
SEMICONDUCTOR DEVICES
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING METALLIC POWDER
title METHOD FOR PRODUCING SPRAYABLE COMPOSITE TARGET FROM CoMnSi HEUSLER ALLOY
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