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Небесная энциклопедия

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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Применить Всего найдено 6. Отображено 6.
02-07-2015 дата публикации

IRON-ION SUPPLY MATERIAL

Номер: WO2015097975A1
Автор: ENOKIDO, Hirofumi, SONOBE, Akio, SUGIHARA, Hiroshi
Принадлежит:

Provided is an iron-ion supply material capable of efficiently supplying iron ions to a plant. An iron-ion supply material serving as an iron-ion supply source for supplying iron ions which contribute to the growth of a plant, the iron-ion supply material being characterized by comprising an iron powder having an iron content of 80 mass% or higher, and in that the particle diameter of at least 50 mass% of the iron powder overall is 100μm to 10mm, inclusive.

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Номер записи: 1
16-06-2016 дата публикации

IRON-BASED ALLOY POWDER FOR POWDER METALLURGY, AND SINTER-FORGED MEMBER

Номер: WO2016092827A1
Автор: NAKAMURA, Naomichi, SONOBE, Akio, KOBAYASHI, Akio
Принадлежит:

The present invention contains 2.0-5.0% by mass of Cu, the remainder comprising Fe and unavoidable impurities, 1/10-8/10 of the amount of Cu being diffused and bonded in the form of a powder to the surfaces of an iron powder which is a raw material for an iron-based alloy powder, and the remainder of the Cu being included as a pre-alloy in the iron powder, whereby an iron-based alloy powder for powder metallurgy is obtained which enables manufacturing of a sinter-forged member having excellent compressibility relative to the conventional Cu pre-alloyed iron-based alloy powder while at the same time having high strength despite being sintered at a lower temperature than a conventional-type iron-based alloy powder in which Cu powder is mixed.

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Номер записи: 2
16-03-2017 дата публикации

METHOD FOR PRODUCING MIXED POWDER FOR POWDER METALLURGY, METHOD FOR PRODUCING SINTERED COMPACT, AND SINTERED COMPACT

Номер: WO2017043094A1
Автор: KOBAYASHI, Akio, NAKAMURA, Naomichi, MAETANI, Toshio, SONOBE, Akio, SATO, Itsuya
Принадлежит:

Provided is a mixed powder for powder metallurgy with which it is possible to obtain a sintered compact that, despite not containing Ni, has an excellent tensile strength and ductility equivalent to or better than those of a sintered compact containing Ni. This method for producing a mixed powder for powder metallurgy includes: a first mixing step, in which a starting material mixed powder is obtained by mixing a Mo-containing powder and a Cu-containing powder into an iron-based powder; a diffusion/adhering step, in which a partially-diffused alloyed steel powder is obtained by diffusing and adhering the Mo and Cu onto the surface of the iron-based powder by heat-treating the starting material mixed powder; and a second mixing step, in which the mixed powder for powder metallurgy is obtained by mixing a graphite powder into the partially-diffused alloyed steel powder. The average grain diameter of the iron-based powder is 30-120 μm. A cuprous oxide powder is used as the Cu-containing powder ...

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Номер записи: 3
03-05-2018 дата публикации

METHOD FOR PRODUCING MIXED POWDER FOR POWDER METALLURGY, AND EQUIPMENT FOR PRODUCING MIXED POWDER FOR POWDER METALLURGY

Номер: WO2018079160A1
Автор: SONOBE Akio
Принадлежит:

Provided are a method and equipment for producing a mixed powder for powder metallurgy, which ensure high safety and have excellent production efficiency. The method for producing a mixed powder for powder metallurgy comprises: a primary mixing/stirring step for mixing and stirring a raw material including an iron-based powder, a powder for an alloy, a binder, and an auxiliary raw material using a first mixing/stirring device provided with a heating means; a secondary mixing/stirring step for mixing and stirring the raw material after the primary mixing/stirring step using a second mixing/stirring device which is different from the first mixing/stirring device and which is provided with a cooling means; and a tertiary mixing/stirring step for mixing and stirring the raw material after the secondary mixing/stirring step using a third mixing/stirring device which is different from the first mixing/stirring device and the second mixing/stirring device, wherein the raw material is heated up ...

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Номер записи: 4
09-06-2016 дата публикации

ALLOY STEEL POWDER FOR POWDER METALLURGY, AND SINTERED COMPACT

Номер: WO2016088333A1
Автор: TAKASHITA, Takuya, KOBAYASHI, Akio, NAKAMURA, Naomichi, MAETANI, Toshio, SONOBE, Akio, SATO, Itsuya
Принадлежит:

An Fe-Mo-Cu-C-type alloy steel powder for powder metallurgy, wherein the alloy steel powder contains 0.2-1.5 mass% of Mo, 0.5-4.0 mass% of Cu, and 0.1-1.0 mass% of C, the remainder comprising Fe and unavoidable impurities, the average particle diameter of an iron-based powder being set to 30-120 µm and the average particle diameter of a Cu powder being set to 25 µm or less, whereby an alloy steel powder for powder metallurgy is obtained whereby the mechanical characteristics of a part obtained by sintering a press-molded article of the powder and furthermore carburizing/quenching/tempering the sintered press-molded article have tensile strength, toughness, or sintered density at least equivalent to that of a Ni-added part while not including Ni as a component.

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Номер записи: 5
09-06-2016 дата публикации

ALLOY STEEL POWDER FOR POWDER METALLURGY, AND SINTERED BODY

Номер: WO2016088333A8
Автор: TAKASHITA, Takuya, KOBAYASHI, Akio, NAKAMURA, Naomichi, MAETANI, Toshio, SONOBE, Akio, SATO, Itsuya
Принадлежит:

An Fe-Mo-Cu-C-type alloy steel powder for powder metallurgy, wherein the alloy steel powder contains 0.2-1.5 mass% of Mo, 0.5-4.0 mass% of Cu, and 0.1-1.0 mass% of C, the remainder comprising Fe and unavoidable impurities, the average particle diameter of an iron-based powder being set to 30-120 µm and the average particle diameter of a Cu powder being set to 25 µm or less, whereby an alloy steel powder for powder metallurgy is obtained whereby the mechanical characteristics of a part obtained by sintering a press-molded article of the powder and furthermore carburizing/quenching/tempering the sintered press-molded article have tensile strength, toughness, or sintered density at least equivalent to that of a Ni-added part while not including Ni as a component.

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Номер записи: 6