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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 6. Отображено 6.
16-05-2023 дата публикации

TA15 alloy surface wear-resistant Hf0. 5Ta0. 5C solid solution ceramic coating as well as preparation method and application thereof

Номер: CN116121715A
Автор: MIAO QIANG, LI JINGLI, LIANG WENPING, ZHAO HUI, LIU RUIXIANG, XU JIANYAN, ZANG KAI, YAO WEI, YAN RONGXUE, WU YUTING, ZHANG MENG, DONG MEIJING
Принадлежит:

The invention discloses a TA15 alloy surface wear-resistant Hf0. 5Ta0. 5C solid solution ceramic coating as well as a preparation method and application thereof, and belongs to the field of TA15 alloy surface treatment.The coating is an Hf0. 5Ta0. 5C ceramic coating prepared on the TA15 alloy surface by adopting a double glow plasma surface metallurgy technology, the coating comprises a deposition layer and a diffusion layer, the contents of Hf, Ta, C and Ti in the diffusion layer are in gradient change, and the thickness of the deposition layer is smaller than that of the Ta. 5Ta0. 5C solid solution ceramic coating. Compared with a traditional binary coating, solid solution strengthening is achieved, metallurgical bonding is achieved between the coating and a base body, the service life of the TA15 alloy base body can be effectively prolonged, and the TA15 alloy coating can be applied to protection of abrasion-resistant parts in the fields of the aviation industry, the automobile industry ...

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Номер записи: 1
02-06-2023 дата публикации

TC4 alloy surface wear-resistant CrZrN solid solution ceramic coating and preparation method thereof

Номер: CN116200701A
Автор: MIAO QIANG, WU YUTING, LIANG WENPING, ZHAO HUI, LIU RUIXIANG, ZANG KAI, LI JINGLI, XU JIANYAN, YAO WEI, ZHANG MENG, YAN RONGXUE, DONG MEIJING
Принадлежит:

The invention discloses a TC4 alloy surface wear-resistant CrZrN solid solution ceramic coating and a preparation method thereof, and belongs to the field of TC4 alloy surface treatment.The TC4 alloy surface wear-resistant CrZrN solid solution ceramic coating is prepared from the TC4 alloy surface through the double glow plasma surface metallurgy technology, the coating comprises a deposition layer and a diffusion layer, the content of Cr, Zr, N and Ti in the diffusion layer changes in a gradient mode, and the content of Cr, Zr, N and Ti in the diffusion layer changes in a gradient mode. Coating failure caused by component mutation and property difference is relieved; compared with a CrN binary coating, the CrZrN ceramic coating prepared through the method has the advantages that solid solution strengthening is achieved, crystal grains are refined, metallurgical bonding is achieved between the coating and a base body, the service life of the TC4 alloy base body can be effectively prolonged ...

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Номер записи: 2
23-05-2023 дата публикации

Ytterbium-doped samarium zirconate cerate thermal barrier coating material as well as preparation method and application thereof

Номер: CN116143530A
Автор: LIANG WENPING, LIU RUIXIANG, ZHAO HUI, MIAO QIANG, DONG MEIJING, ZHANG MENG, YAN RONGXUE, WU YUTING, ZANG KAI, LI JINGLI, YAO WEI
Принадлежит:

The invention discloses an ytterbium-doped samarium zirconate cerate thermal barrier coating material as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, carrying out ball milling and mixing on Yb2O3, Sm2O3, ZrO2 and CeO2 powder raw materials according to a ratio, then synthesizing (Sm1-xYbx) 2 (Zr0. 7Ce0. 3) 2O7 powder (x is greater than or equal to 0.1 and less than or equal to 0.3) through a high-temperature solid-phase reaction method, and carrying out dry pressing molding and high-temperature sintering to obtain the (Sm1-xYbx) 2 (Zr0. 7Ce0. 3) 2O7 compact ceramic material. Ytterbium rare earth element doped zirconate is adopted, dry pressing forming and high-temperature sintering are carried out to obtain the novel thermal barrier coating material ytterbium-doped samarium zirconate cerate (Sm1-xYbx) 2 (Zr0. 7Ce0. 3) 2O7, the (Sm1-xYbx) 2 (Zr0. 7Ce0. 3) 2O7 material has higher bond strength compared with a Sm2 (Zr0.

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Номер записи: 3
09-06-2023 дата публикации

AlCrFeMnTi high-entropy alloy high-temperature wear-resistant coating and preparation method thereof

Номер: CN116240536A
Автор: LIANG WENPING, XU JIANYAN, MIAO QIANG, ZANG KAI, YU JIAYAO, ZHAO HUI, LI JINGLI, YAN RONGXUE, ZHANG MENG, YU HAIYANG, YIN MENGJUAN, WU YUTING
Принадлежит:

The invention provides an AlCrFeMnTi high-entropy alloy high-temperature wear-resistant coating which comprises a base body and an AlCrFeMnTi high-entropy alloy coating arranged on the base body, and the AlCrFeMnTi high-entropy alloy coating comprises, by mass, 20% of Al, 5% of Cr, 50% of Fe, 20% of Mn and 5% of Ti. The AlCrFeMnTi high-entropy alloy high-temperature wear-resistant coating is composed of Al, Cr, Fe, Mn and Ti elements, the prepared AlCrFeMnTi coating is compact in microstructure and free of wrinkle defects and shows excellent wear reduction performance at the temperature of 500 DEG C, and the wear resistance of 718 nickel base alloy is improved; the preparation method of the AlCrFeMnTi high-entropy alloy high-temperature wear-resistant coating comprises the steps of preparing cladding powder, carrying out cleaning pretreatment on the surface of a nickel-based alloy matrix, and coating the matrix through a laser cladding process to obtain the AlCrFeMnTi high-entropy alloy ...

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Номер записи: 4
07-04-2023 дата публикации

Low-thermal-conductivity CMAS-corrosion-resistant high-entropy zirconate ceramic material as well as preparation method and application thereof

Номер: CN115925417A
Автор: MIAO QIANG, ZHAO HUI, LIU RUIXIANG, LIANG WENPING, YAN RONGXUE, ZHANG MENG, DONG MEIJING, WU YUTING, ZANG KAI, LI JINGLI, YAO WEI
Принадлежит:

The invention discloses a low-thermal-conductivity CMAS-corrosion-resistant high-entropy zirconate ceramic material as well as a preparation method and application of the low-thermal-conductivity CMAS-corrosion-resistant high-entropy zirconate ceramic material. The preparation method comprises the following steps: firstly, ball-milling and mixing powder raw materials of Gd2O3, Er2O3, Tm2O3, Yb2O3, Y2O3 and ZrO2 according to a ratio, then synthesizing high-entropy zirconate powder through a high-temperature solid-phase reaction method, and carrying out dry pressing molding and high-temperature sintering to obtain the high-entropy zirconate compact ceramic material. The low-thermal-conductivity CMAS-corrosion-resistant high-entropy zirconate ceramic material provided by the invention is a defective fluorite phase, has the characteristics of extremely low thermal conductivity, extremely high fracture toughness, extremely high CMAS corrosion resistance and the like, and can be used as a thermal ...

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Номер записи: 5
13-06-2023 дата публикации

Wear-resistant Hf-Ta-N co-permeation coating on TA15 alloy surface and preparation method of wear-resistant Hf-Ta-N co-permeation coating

Номер: CN116254501A
Автор: MIAO QIANG, ZANG KAI, LIANG WENPING, LI JINGLI, LIU RUIXIANG, ZHAO HUI, WU YUTING, YAN RONGXUE, ZHANG MENG
Принадлежит:

The invention discloses a TA15 alloy surface wear-resistant Hf-Ta-N co-permeation coating and a preparation method thereof, and belongs to the field of TA15 alloy surface treatment.The coating is prepared through the double glow plasma metallurgy technology and is composed of an outer Hf-Ta-N deposition layer and an inner Hf, Ta and Ti mutual diffusion layer; the thickness of a deposition layer is about 7.34 microns, the content of Hf, Ta and N elements in a diffusion layer is rapidly reduced, and the overall thickness is about 11.12 microns. The prepared Hf-Ta-N wear-resistant coating can be applied to the fields of automobiles and aerospace; the Hf-Ta-N coating prepared through the method is metallurgically bonded with a base body, the bonding performance is good, the capacity of bearing external force is high, and the TA15 alloy base body can be effectively protected in the service process.

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Номер записи: 6