WO2008004656A1 - Matériau dur fritté et moule comprenant celui-ci pour le moulage d'un élément optique de haute précision - Google Patents

Matériau dur fritté et moule comprenant celui-ci pour le moulage d'un élément optique de haute précision Download PDF

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Publication number
WO2008004656A1
WO2008004656A1 PCT/JP2007/063553 JP2007063553W WO2008004656A1 WO 2008004656 A1 WO2008004656 A1 WO 2008004656A1 JP 2007063553 W JP2007063553 W JP 2007063553W WO 2008004656 A1 WO2008004656 A1 WO 2008004656A1
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WIPO (PCT)
Prior art keywords
phase
hard material
sintered hard
peak intensity
integrated peak
Prior art date
Application number
PCT/JP2007/063553
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English (en)
Japanese (ja)
Inventor
Hiroki Tanaka
Toru Okui
Shigeki Mori
Osamu Nakano
Kei Tokumoto
Original Assignee
Nippon Tungsten Co., Ltd.
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 Nippon Tungsten Co., Ltd. filed Critical Nippon Tungsten Co., Ltd.
Priority to CN2007800205921A priority Critical patent/CN101460427B/zh
Publication of WO2008004656A1 publication Critical patent/WO2008004656A1/fr

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    • 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
    • C04B35/515—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
    • C04B35/56—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 carbides or oxycarbides
    • C04B35/5607—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 carbides or oxycarbides based on refractory metal carbides
    • C04B35/5626—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 carbides or oxycarbides based on refractory metal carbides based on tungsten carbides
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/084—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • C—CHEMISTRY; METALLURGY
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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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
    • C—CHEMISTRY; METALLURGY
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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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
    • C04B35/6455—Hot isostatic pressing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/05—Press-mould die materials
    • C03B2215/07—Ceramic or cermets
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/66—Means for providing special atmospheres, e.g. reduced pressure, inert gas, reducing gas, clean room
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3839—Refractory metal carbides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3839—Refractory metal carbides
    • C04B2235/3847—Tungsten carbides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40—Metallic constituents or additives not added as binding phase
    • C04B2235/404—Refractory metals
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C04B2235/425—Graphite
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/661—Multi-step sintering
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    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/666—Applying a current during sintering, e.g. plasma sintering [SPS], electrical resistance heating or pulse electric current sintering [PECS]
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/785—Submicron sized grains, i.e. from 0,1 to 1 micron
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    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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    • C04B2235/963—Surface properties, e.g. surface roughness

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Products (AREA)
  • Powder Metallurgy (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

L'invention concerne une matière dure frittée consistant principalement en une phase de carbure de tungstène, exempte de défauts structuraux tels que les pores (vides) et de phases anormales et présentant une dureté et un module d'Young élevés ainsi qu'un faible coefficient de dilatation thermique et une résistance à la fracture, une précision de surface traitée et une rugosité de surface excellentes. (W,M1)2CX (0,8≤X<1,0) est cristallisé en tant que seconde phase dans une phase de carbure de tungstène, la phase de WC étant une première phase. Ainsi, la résistance à la fracture de la phase de carbure de tungstène est améliorée. Le (W,M1)2CX (0,8≤X<1,0) est une solution solide de M1 constituée d'un ou de plusieurs éléments de métaux de transition autres que le tungstène dans les Groupes 4a, 5a, et 6a de la Classification Périodique, dans W2CX (0,8≤X<1,0).
PCT/JP2007/063553 2006-07-07 2007-07-06 Matériau dur fritté et moule comprenant celui-ci pour le moulage d'un élément optique de haute précision WO2008004656A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007800205921A CN101460427B (zh) 2006-07-07 2007-07-06 烧结硬质材料及使用该材料的高精度光学元件成型用的模具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-188664 2006-07-07
JP2006188664A JP5134217B2 (ja) 2006-07-07 2006-07-07 焼結硬質材料およびそれを用いた金型

Publications (1)

Publication Number Publication Date
WO2008004656A1 true WO2008004656A1 (fr) 2008-01-10

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Application Number Title Priority Date Filing Date
PCT/JP2007/063553 WO2008004656A1 (fr) 2006-07-07 2007-07-06 Matériau dur fritté et moule comprenant celui-ci pour le moulage d'un élément optique de haute précision

Country Status (3)

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JP (1) JP5134217B2 (fr)
CN (1) CN101460427B (fr)
WO (1) WO2008004656A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201113391D0 (en) * 2011-08-03 2011-09-21 Element Six Abrasives Sa Super-hard construction and method for making same
JP6182848B2 (ja) * 2012-10-30 2017-08-23 ぺんてる株式会社 ボールペン用ボール
CN110981488A (zh) * 2019-12-24 2020-04-10 有研工程技术研究院有限公司 一种超高硬度非球面玻璃透镜模具材料及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03115541A (ja) * 1989-09-28 1991-05-16 Nippon Tungsten Co Ltd Ｗｃ基硬質合金
JPH0925535A (ja) * 1995-07-11 1997-01-28 Dijet Ind Co Ltd 焼結硬質材
WO2005037731A1 (fr) * 2003-10-22 2005-04-28 Nippon Tungsten Co., Ltd. Materiau dur a excellente resistance aux deteriorations en raison de temperatures elevees

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1082551C (zh) * 1998-07-09 2002-04-10 浙江大学 纳米碳化钨－钴硬质合金的制造方法及设备
JP2002226221A (ja) * 2000-11-30 2002-08-14 Ngk Insulators Ltd ガラスプレス用金型及びその製造方法
JP2004238660A (ja) * 2003-02-04 2004-08-26 Tungaloy Corp クロム含有超硬合金

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03115541A (ja) * 1989-09-28 1991-05-16 Nippon Tungsten Co Ltd Ｗｃ基硬質合金
JPH0925535A (ja) * 1995-07-11 1997-01-28 Dijet Ind Co Ltd 焼結硬質材
WO2005037731A1 (fr) * 2003-10-22 2005-04-28 Nippon Tungsten Co., Ltd. Materiau dur a excellente resistance aux deteriorations en raison de temperatures elevees

Also Published As

Publication number Publication date
JP5134217B2 (ja) 2013-01-30
JP2008013418A (ja) 2008-01-24
CN101460427A (zh) 2009-06-17
CN101460427B (zh) 2012-08-22

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