FR2444523B1 - - Google Patents

Info

Publication number
FR2444523B1
FR2444523B1 FR7929841A FR7929841A FR2444523B1 FR 2444523 B1 FR2444523 B1 FR 2444523B1 FR 7929841 A FR7929841 A FR 7929841A FR 7929841 A FR7929841 A FR 7929841A FR 2444523 B1 FR2444523 B1 FR 2444523B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7929841A
Other languages
French (fr)
Other versions
FR2444523A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Norden Holding AB
Original Assignee
ASEA AB
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
Priority claimed from SE7813018A external-priority patent/SE414921B/sv
Priority claimed from SE7909205A external-priority patent/SE425361B/sv
Application filed by ASEA AB filed Critical ASEA AB
Publication of FR2444523A1 publication Critical patent/FR2444523A1/fr
Application granted granted Critical
Publication of FR2444523B1 publication Critical patent/FR2444523B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515Shaped 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
    • C04B35/58Shaped 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
    • C04B35/584Shaped 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 silicon nitride
    • C04B35/593Shaped 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 silicon nitride obtained by pressure sintering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12Both compacting and sintering
    • B22F3/1208Containers or coating used therefor
    • B22F3/1216Container composition
    • B22F3/1225Glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12Both compacting and sintering
    • B22F3/1208Containers or coating used therefor
    • B22F3/125Initially porous container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12Both compacting and sintering
    • B22F3/14Both compacting and sintering simultaneously
    • B22F3/15Hot isostatic pressing
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64Burning or sintering processes
    • C04B35/645Pressure sintering
    • C04B35/6455Hot isostatic pressing
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658Atmosphere during thermal treatment
    • C04B2235/6587Influencing the atmosphere by vaporising a solid material, e.g. by using a burying of sacrificial powder
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2209/00Apparatus and processes for manufacture of discharge tubes
    • H01J2209/01Generalised techniques
    • H01J2209/012Coating
    • H01J2209/015Machines therefor

Landscapes

  • 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)
  • Powder Metallurgy (AREA)
  • Ceramic Products (AREA)
FR7929841A 1978-12-19 1979-12-05 Procede pour la fabrication par pressage isostatique d'un corps preforme en une matiere metallique ou ceramique enrobe dans un materiau vitrifiable Granted FR2444523A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7813018A SE414921B (sv) 1978-12-19 1978-12-19 Sett att framstella ett foremal av kiselnitrid eller av ett med kiselnitrid som huvudbestandsdel uppbyggt material
SE7909205A SE425361B (sv) 1979-11-07 1979-11-07 Sett vid isostatisk varmpressning av forformade kroppar av metalliskt ellerkeramiskt material

Publications (2)

Publication Number Publication Date
FR2444523A1 FR2444523A1 (fr) 1980-07-18
FR2444523B1 true FR2444523B1 (tr) 1983-04-01

Family

ID=26657175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7929841A Granted FR2444523A1 (fr) 1978-12-19 1979-12-05 Procede pour la fabrication par pressage isostatique d'un corps preforme en une matiere metallique ou ceramique enrobe dans un materiau vitrifiable

Country Status (6)

Country Link
AU (1) AU531109B2 (tr)
CA (1) CA1148772A (tr)
DE (1) DE2950158A1 (tr)
FR (1) FR2444523A1 (tr)
GB (1) GB2048952B (tr)
IT (1) IT1119639B (tr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250610A (en) * 1979-01-02 1981-02-17 General Electric Company Casting densification method
DE3040771A1 (de) * 1980-10-29 1982-05-27 Elektroschmelzwerk Kempten GmbH, 8000 München Verfahren zur herstellung von praktisch porenfreien, polykristallinen formkoerpern duch isostatisches heisspressen in glashuellen
SE426815B (sv) * 1981-03-10 1983-02-14 Asea Ab Sett att framstella foremal av keramik
JPS5839708A (ja) * 1981-09-01 1983-03-08 Kobe Steel Ltd 熱間静水圧プレス処理法
SE435272B (sv) * 1983-02-08 1984-09-17 Asea Ab Sett att framstella ett foremal av ett pulverformigt material genom isostatisk pressning
JPS6199605A (ja) * 1984-10-18 1986-05-17 Hitachi Zosen Corp 熱間静水圧圧縮焼成法
SE455276B (sv) * 1986-03-21 1988-07-04 Uddeholm Tooling Ab Sett att pulvermetallurgiskt framstella ett foremal genom varmpressning av pulver i en keramikform medelst ett smelt tryckmedium
SE456563B (sv) * 1986-05-13 1988-10-17 Asea Cerama Ab Sett vid isostatisk pressning av pulver till foremal i en omslutning av glas
SE456651B (sv) * 1987-03-02 1988-10-24 Asea Cerama Ab Saett att framstaella ett foeremaal av i en kapsel inneslutet pulverformigt material genom isostatisk pressning
SE460025B (sv) * 1987-12-18 1989-09-04 Asea Cerama Ab Saett att framstaella foeremaal av pulverformi gt material genom varm isostatisk pressning i en glasomslutning
SE464620B (sv) * 1989-09-26 1991-05-27 Asea Cerama Ab Saett att framstaella ett foeremaal av keramik genom isostatisk pressning i en glasomslutning
JP3048281B2 (ja) * 1992-09-08 2000-06-05 日本碍子株式会社 焼結体の熱間静水圧プレス時に付着するガラスの除去方法
RU2151026C1 (ru) 1999-11-10 2000-06-20 Губенко Лев Анатольевич Изостат для обработки материалов в жидкости
WO2021049618A1 (ja) * 2019-09-12 2021-03-18 国立大学法人北海道大学 焼結体及びその製造方法並びに誘電体組成物

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA855149A (en) * 1968-02-28 1970-11-03 J. Havel Charles Hot isostatic pressing using a vitreous container
SE363748B (tr) * 1972-06-13 1974-02-04 Asea Ab
SE394178B (sv) * 1975-02-03 1977-06-13 Asea Ab Forfarande for varmpressning av pulverkroppar

Also Published As

Publication number Publication date
GB2048952B (en) 1983-01-12
CA1148772A (en) 1983-06-28
IT7969434A0 (it) 1979-12-18
IT1119639B (it) 1986-03-10
DE2950158C2 (tr) 1991-01-03
DE2950158A1 (de) 1980-07-17
AU5384779A (en) 1980-06-26
FR2444523A1 (fr) 1980-07-18
AU531109B2 (en) 1983-08-11
GB2048952A (en) 1980-12-17

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