WO2013049652A4 - Bonded abrasives formed by uniaxial hot pressing - Google Patents

Bonded abrasives formed by uniaxial hot pressing Download PDF

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Publication number
WO2013049652A4
WO2013049652A4 PCT/US2012/058033 US2012058033W WO2013049652A4 WO 2013049652 A4 WO2013049652 A4 WO 2013049652A4 US 2012058033 W US2012058033 W US 2012058033W WO 2013049652 A4 WO2013049652 A4 WO 2013049652A4
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WO
WIPO (PCT)
Prior art keywords
hot pressing
uniaxially hot
pressing
uniaxially
forming
Prior art date
Application number
PCT/US2012/058033
Other languages
French (fr)
Other versions
WO2013049652A1 (en
Inventor
Marc Linh HOANG
Original Assignee
Saint-Gobain Abrasives, Inc.
Saint-Gobain Abrasifs
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 Saint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs filed Critical Saint-Gobain Abrasives, Inc.
Priority to EP12834804.2A priority Critical patent/EP2760637A4/en
Priority to RU2014114620/02A priority patent/RU2014114620A/en
Priority to JP2014532126A priority patent/JP2014526397A/en
Priority to CN201280047044.9A priority patent/CN103826801A/en
Priority to BR112014007136A priority patent/BR112014007136A2/en
Priority to KR1020147009627A priority patent/KR20140075719A/en
Publication of WO2013049652A1 publication Critical patent/WO2013049652A1/en
Publication of WO2013049652A4 publication Critical patent/WO2013049652A4/en

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1035—Liquid phase sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C04B35/528—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/583—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
    • C04B35/5831—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride based on cubic boron nitrides or Wurtzitic boron nitrides, including crystal structure transformation of powder
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    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/6303—Inorganic additives
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    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
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    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F2003/145—Both compacting and sintering simultaneously by warm compacting, below debindering temperature
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3229—Cerium oxides or oxide-forming salts thereof
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    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/386—Boron nitrides
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    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/604—Pressing at temperatures other than sintering temperatures
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    • C04B2235/608—Green bodies or pre-forms with well-defined density
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    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/003—Cubic boron nitrides only
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    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/005—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds being borides
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/007—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds being nitrides
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    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0005—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents
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    • C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
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    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
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    • C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

A particular method includes uniaxially hot pressing a preform that includes abrasive particles in a bonding material to form a bonded abrasive body.

Claims

AMENDED CLAIMS received by the International Bureau on 27 April 2013 (27.04.13)
1. A method of forming a bonded abrasive body comprising: uniaxially hot pressing a preform comprising abrasive particles in a bonding material to form a bonded abrasive body, wherein uniaxially hot pressing comprises liquid phase sintering.
2. The method of claim 1, further comprising uniaxially hot pressing at a temperature within a range of about 600 °C (1112 °F) to about 1100 °C (2012 °F).
3. The method of claim 1, further comprising uniaxially hot pressing at a pressure of within a range of about 4.9 MPa (710 psi) to about 44.1 MPa (6398 psi).
4. The method of claim 1 , wherein the abrasive particles comprise a material selected from the group consisting of an oxide, a carbide, a nitride, a boride, an oxynitride, an oxycarbide, and a combination thereof.
5. The method of claim 1, further comprising pressing at least two preforms simultaneously.
6. The method of claim 1, wherein pressing forms a near net-shaped bonded abrasive body.
7. A method of forming a body comprising:
uniaxially hot pressing a preform comprising abrasive particles to form a body having a relief extending from a plane which extends parallel to an axis of pressing, and forming the body such that the final shape of the body is asymmetric around the axis of pressing.
8. The method of claim 7, wherein the plane defines an exterior surface of the body.
9. The method of claim 7, wherein uniaxially hot pressing comprises liquid phase sintering.
10. The method of claim 7, further comprising uniaxially hot pressing at a temperature within a range of about 600 °C (1112 °F) to about 1100 °C (2012 °F).
11. The method of claim 7, further comprising uniaxially hot pressing at a pressure within a range of about 4.9 MPa (710 psi) to about 44.1 MPa (6398 psi).
12. The method of claim 7, further comprising uniaxially hot pressing in one of an oxidizing atmosphere, a reducing atmosphere, or an inert atmosphere.
13. The method of claim 12, further comprising uniaxially hot pressing in an inert atmosphere.
14. The method of claim 7, wherein the body comprises a composite.
15. A method of forming a bonded abrasive body comprising:
forming a green body comprising abrasive particles and a bonding material;
placing the green body in a mold; and
uniaxially hot pressing the green body to form a bonded abrasive body.
PCT/US2012/058033 2011-09-29 2012-09-28 Bonded abrasives formed by uniaxial hot pressing WO2013049652A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP12834804.2A EP2760637A4 (en) 2011-09-29 2012-09-28 Bonded abrasives formed by uniaxial hot pressing
RU2014114620/02A RU2014114620A (en) 2011-09-29 2012-09-28 METHOD FOR PRODUCING ABRASIVE BODY (OPTIONS)
JP2014532126A JP2014526397A (en) 2011-09-29 2012-09-28 Fixed abrasive formed by uniaxial hot press molding
CN201280047044.9A CN103826801A (en) 2011-09-29 2012-09-28 Bonded abrasives formed by uniaxial hot pressing
BR112014007136A BR112014007136A2 (en) 2011-09-29 2012-09-28 hot-rolled and uniaxial pressed abrasives
KR1020147009627A KR20140075719A (en) 2011-09-29 2012-09-28 Bonded abrasives formed by uniaxial hot pressing

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WO2013049652A1 (en) 2013-04-04
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JP2014526397A (en) 2014-10-06
BR112014007136A2 (en) 2017-04-04
EP2760637A1 (en) 2014-08-06
US20130081334A1 (en) 2013-04-04
CN103826801A (en) 2014-05-28
EP2760637A4 (en) 2015-10-21

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