RU95105160A - Способ приготовления абразивной частицы, абразивные изделия и изделия с абразивным покрытием - Google Patents

Способ приготовления абразивной частицы, абразивные изделия и изделия с абразивным покрытием

Info

Publication number
RU95105160A
RU95105160A RU95105160/04A RU95105160A RU95105160A RU 95105160 A RU95105160 A RU 95105160A RU 95105160/04 A RU95105160/04 A RU 95105160/04A RU 95105160 A RU95105160 A RU 95105160A RU 95105160 A RU95105160 A RU 95105160A
Authority
RU
Russia
Prior art keywords
abrasive
mold
dispersion
particles
articles
Prior art date
Application number
RU95105160/04A
Other languages
English (en)
Inventor
А.Берг Тодд
Us]
Д.Роунхорст Донли
Г.Берг Джеймс
К.Леонард Вильям
Original Assignee
Миннесота Майнинг энд Мануфакчуринг Компани (US)
Миннесота Майнинг Энд Мануфакчуринг Компани
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Миннесота Майнинг энд Мануфакчуринг Компани (US), Миннесота Майнинг Энд Мануфакчуринг Компани filed Critical Миннесота Майнинг энд Мануфакчуринг Компани (US)
Publication of RU95105160A publication Critical patent/RU95105160A/ru

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
    • B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/1115—Minute sintered entities, e.g. sintered abrasive grains or shaped particles such as platelets
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se

Abstract

Способ изготовления абразивных частиц, имеющих определенную форму, и абразивных изделий, содержащих абразивные частицы, имеющие определенную форму, из операций: обеспечения дисперсии, содержащей частицы предшественника альфа-глинозема, предпочтительно частицы моногидрата альфа-глинозема, в жидкости, которая содержит быстро испаряющийся компонент; обеспечения литейной формы, имеющей первую поверхность и вторую поверхность, противоположную первой поверхности, причем первая поверхность имеет проход в полость литейной формы, имеющую определенную геометрическую форму; введение дисперсии в упомянутую полость литейной формы; удаление достаточной части быстро испаряющегося компонента жидкости из дисперсии, пока дисперсия находится в, полости литейной формы, чтобы сформировать предшественника абразивной частицы, имеющего приблизительно такую же форму, как форма углубления литейной формы; удаление предшественника абразивной частицы из углубления литейной формы; обжиг удаленного предшественника абразивной частицы; спекание обожженного предшественника для формирования желательной абразивной частицы.

Claims (1)

  1. Способ изготовления абразивных частиц, имеющих определенную форму, и абразивных изделий, содержащих абразивные частицы, имеющие определенную форму, из операций: обеспечения дисперсии, содержащей частицы предшественника альфа-глинозема, предпочтительно частицы моногидрата альфа-глинозема, в жидкости, которая содержит быстро испаряющийся компонент; обеспечения литейной формы, имеющей первую поверхность и вторую поверхность, противоположную первой поверхности, причем первая поверхность имеет проход в полость литейной формы, имеющую определенную геометрическую форму; введение дисперсии в упомянутую полость литейной формы; удаление достаточной части быстро испаряющегося компонента жидкости из дисперсии, пока дисперсия находится в, полости литейной формы, чтобы сформировать предшественника абразивной частицы, имеющего приблизительно такую же форму, как форма углубления литейной формы; удаление предшественника абразивной частицы из углубления литейной формы; обжиг удаленного предшественника абразивной частицы; спекание обожженного предшественника для формирования желательной абразивной частицы.
RU95105160/04A 1992-07-23 1993-06-16 Способ приготовления абразивной частицы, абразивные изделия и изделия с абразивным покрытием RU95105160A (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US91836092A 1992-07-23 1992-07-23
US07/919,180 1992-07-23
US07/919,179 1992-07-23
US07/918,360 1992-07-23

Publications (1)

Publication Number Publication Date
RU95105160A true RU95105160A (ru) 1997-01-10

Family

ID=25440258

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95105160/04A RU95105160A (ru) 1992-07-23 1993-06-16 Способ приготовления абразивной частицы, абразивные изделия и изделия с абразивным покрытием

Country Status (2)

Country Link
US (1) US5984988A (ru)
RU (1) RU95105160A (ru)

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