FR2424890A1 - Procede de fabrication d'objets en nitrure de silicium - Google Patents
Procede de fabrication d'objets en nitrure de siliciumInfo
- Publication number
- FR2424890A1 FR2424890A1 FR7910465A FR7910465A FR2424890A1 FR 2424890 A1 FR2424890 A1 FR 2424890A1 FR 7910465 A FR7910465 A FR 7910465A FR 7910465 A FR7910465 A FR 7910465A FR 2424890 A1 FR2424890 A1 FR 2424890A1
- Authority
- FR
- France
- Prior art keywords
- silicon nitride
- gas
- objects
- enclosure
- pressure
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
- B22F3/1208—Containers or coating used therefor
- B22F3/1216—Container composition
- B22F3/1241—Container composition layered
-
- 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
- B22F3/1208—Containers or coating used therefor
- B22F3/1216—Container composition
- B22F3/1225—Glass
-
- 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
- B22F3/1208—Containers or coating used therefor
- B22F3/125—Initially porous container
-
- 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
- C04B35/58—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
- C04B35/584—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 silicon nitride
- C04B35/593—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 silicon nitride obtained by pressure sintering
-
- 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
- C04B35/622—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
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)
- Ceramic Products (AREA)
- Powder Metallurgy (AREA)
Abstract
L'INVENTION EST RELATIVE A LA FABRICATION D'OBJETS EN NITRURE DE SILICIUM. DANS UN PROCEDE DE FABRICATION D'OBJETS EN NITRURE DE SILICIUM PAR COMPRESSION ISOSTATIQUE D'UN CORPS PREFORME D'UNE POUDRE DE NITRURE DE SILICIUM AVEC UN MILIEU SOUS PRESSION GAZEUX, CE CORPS PREFORME ETANT ENTOURE PAR UNE ENCEINTE PERMEABLE AUX GAZ, QUI EST TRANSFORMEE EN UNE ENCEINTE IMPERMEABLE AU MILIEU DE PRESSION, L'ENCEINTE PERMEABLE AUX GAZ 11 EST TRANSFORMEE EN L'ENVELOPPE IMPERMEABLE AU MILIEU DE PRESSION TANDIS QU'ELLE EST EN CONTACT AVEC UN GAZ SOUS PRESSION ET TANDIS QU'UNE PRESSION EST ENTRETENUE DANS CE GAZ SOUS PRESSION, QUI EST AU MOINS AUSSI ELEVEE QUE LA PRESSION PREVALANT SIMULTANEMENT DANS LE GAZ EXISTANT DANS LES PORES DU PRODUIT PREFORME 10. CE PROCEDE PERMET LA FABRICATION D'OBJETS EN NITRURE DE SILICIUM, PRESENTANT DES FORMES COMPLIQUEES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7804990A SE414922B (sv) | 1978-05-02 | 1978-05-02 | Sett att framstella ett foremal av kiselnitrid genom isostatisk pressning av en av kiselnitridpulver forformad kropp med ett gasformigt tryckmedium |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2424890A1 true FR2424890A1 (fr) | 1979-11-30 |
FR2424890B1 FR2424890B1 (fr) | 1984-05-18 |
Family
ID=20334796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7910465A Granted FR2424890A1 (fr) | 1978-05-02 | 1979-04-25 | Procede de fabrication d'objets en nitrure de silicium |
Country Status (12)
Country | Link |
---|---|
US (1) | US4505871A (fr) |
JP (1) | JPS54144412A (fr) |
AU (1) | AU521280B2 (fr) |
BE (1) | BE875963A (fr) |
CA (1) | CA1133683A (fr) |
DE (1) | DE2916223A1 (fr) |
FR (1) | FR2424890A1 (fr) |
GB (1) | GB2024255B (fr) |
IT (1) | IT1112737B (fr) |
SE (1) | SE414922B (fr) |
SU (1) | SU1011045A3 (fr) |
ZA (1) | ZA792082B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57106574A (en) * | 1980-12-19 | 1982-07-02 | Kobe Steel Ltd | Method of sintering silicon nitride |
SE426815B (sv) * | 1981-03-10 | 1983-02-14 | Asea Ab | Sett att framstella foremal av keramik |
GB8926455D0 (en) * | 1989-11-23 | 1990-05-30 | T & N Technology Ltd | Manufacture of shaped articles from sinterable powder |
SE469467B (sv) * | 1990-12-21 | 1993-07-12 | Asea Cerama Ab | Saett att vid isostatisk pressning foerse en poroes kropp med ett foer en glasomslutning ogenomtraengligt skikt |
SE9100396D0 (sv) * | 1991-02-08 | 1991-02-08 | Sandvik Ab | Saett foer framstaellning av en kompoundkropp |
SE9103065D0 (sv) * | 1991-10-21 | 1991-10-21 | Sandvik Ab | Metod foer framstaellning av keramisk kropp |
US5503926A (en) * | 1995-01-11 | 1996-04-02 | Saint-Gobain/Norton Industrial Ceramics Corporation | Hipped silicon nitride having a reduced reaction layer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2349277A1 (de) * | 1973-10-01 | 1975-04-24 | Feldmuehle Anlagen Prod | Verfahren zur herstellung dichter formkoerper aus siliziumnitrid |
FR2339582A1 (fr) * | 1976-01-29 | 1977-08-26 | Asea Ab | Procede pour la fabrication d'un objet en nitrure de silicium |
FR2424783A1 (fr) * | 1978-05-02 | 1979-11-30 | Asea Ab | Procede pour la fabrication d'un objet a partir de matiere metallique ou ceramique |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE348961C (sv) * | 1971-03-15 | 1982-08-30 | Asea Ab | Forfarande for framstellning av en sintrad pulverkropp |
US4112143A (en) * | 1977-01-18 | 1978-09-05 | Asea Aktiebolag | Method of manufacturing an object of silicon nitride |
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 |
-
1978
- 1978-05-02 SE SE7804990A patent/SE414922B/sv not_active IP Right Cessation
-
1979
- 1979-04-21 DE DE19792916223 patent/DE2916223A1/de active Granted
- 1979-04-24 IT IT22131/79A patent/IT1112737B/it active
- 1979-04-25 FR FR7910465A patent/FR2424890A1/fr active Granted
- 1979-04-26 AU AU46487/79A patent/AU521280B2/en not_active Ceased
- 1979-04-28 SU SU792763350A patent/SU1011045A3/ru active
- 1979-04-30 BE BE0/194924A patent/BE875963A/fr not_active IP Right Cessation
- 1979-05-01 GB GB1915109A patent/GB2024255B/en not_active Expired
- 1979-05-01 ZA ZA792082A patent/ZA792082B/xx unknown
- 1979-05-01 JP JP5395679A patent/JPS54144412A/ja active Granted
- 1979-05-01 CA CA326,723A patent/CA1133683A/fr not_active Expired
-
1983
- 1983-08-22 US US06/525,263 patent/US4505871A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2349277A1 (de) * | 1973-10-01 | 1975-04-24 | Feldmuehle Anlagen Prod | Verfahren zur herstellung dichter formkoerper aus siliziumnitrid |
FR2339582A1 (fr) * | 1976-01-29 | 1977-08-26 | Asea Ab | Procede pour la fabrication d'un objet en nitrure de silicium |
FR2424783A1 (fr) * | 1978-05-02 | 1979-11-30 | Asea Ab | Procede pour la fabrication d'un objet a partir de matiere metallique ou ceramique |
Also Published As
Publication number | Publication date |
---|---|
ZA792082B (en) | 1980-05-28 |
GB2024255A (en) | 1980-01-09 |
AU521280B2 (en) | 1982-03-25 |
BE875963A (fr) | 1979-08-16 |
AU4648779A (en) | 1979-11-08 |
GB2024255B (en) | 1982-09-15 |
SE414922B (sv) | 1980-08-25 |
IT7922131A0 (it) | 1979-04-24 |
DE2916223C2 (fr) | 1987-09-24 |
JPS6220152B2 (fr) | 1987-05-06 |
JPS54144412A (en) | 1979-11-10 |
FR2424890B1 (fr) | 1984-05-18 |
IT1112737B (it) | 1986-01-20 |
SU1011045A3 (ru) | 1983-04-07 |
US4505871A (en) | 1985-03-19 |
CA1133683A (fr) | 1982-10-19 |
SE7804990L (sv) | 1979-11-03 |
DE2916223A1 (de) | 1979-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |