FR2156633B1 - - Google Patents
Info
- Publication number
- FR2156633B1 FR2156633B1 FR7234333A FR7234333A FR2156633B1 FR 2156633 B1 FR2156633 B1 FR 2156633B1 FR 7234333 A FR7234333 A FR 7234333A FR 7234333 A FR7234333 A FR 7234333A FR 2156633 B1 FR2156633 B1 FR 2156633B1
- 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
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/068—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with silicon
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712149735 DE2149735C3 (en) | 1971-10-05 | 1971-10-05 | Process for the production of shaped bodies of great hardness from silicon nitride and / or silicon oxynitride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2156633A1 FR2156633A1 (en) | 1973-06-01 |
| FR2156633B1 true FR2156633B1 (en) | 1977-08-05 |
Family
ID=5821555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7234333A Expired FR2156633B1 (en) | 1971-10-05 | 1972-09-28 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4845511A (en) |
| DE (1) | DE2149735C3 (en) |
| FR (1) | FR2156633B1 (en) |
| GB (1) | GB1396916A (en) |
| IT (1) | IT975085B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61236604A (en) * | 1985-04-11 | 1986-10-21 | Toshiba Ceramics Co Ltd | Synthesizing method for beta-si3n4 |
| GB2256651B (en) * | 1986-07-15 | 1993-06-30 | Norton Co | Improved rolling contact bearing,material for bearing surfaces,and processes therefor |
| CN115432674A (en) * | 2021-06-04 | 2022-12-06 | 中国科学院过程工程研究所 | Method for preparing high-quality silicon nitride powder by using multistage fluidized bed |
| CN114634364B (en) * | 2022-03-08 | 2023-08-11 | 中国科学院过程工程研究所 | Pure phase Si 2 N 2 Synthesis method of O powder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB970639A (en) * | 1960-03-24 | 1964-09-23 | Plessey Co Ltd | Method of producing high density silicon nitride |
-
1971
- 1971-10-05 DE DE19712149735 patent/DE2149735C3/en not_active Expired
-
1972
- 1972-09-26 IT IT7003272A patent/IT975085B/en active
- 1972-09-28 FR FR7234333A patent/FR2156633B1/fr not_active Expired
- 1972-10-04 JP JP47099752A patent/JPS4845511A/ja active Pending
- 1972-10-04 GB GB4573172A patent/GB1396916A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4845511A (en) | 1973-06-29 |
| DE2149735A1 (en) | 1973-04-12 |
| IT975085B (en) | 1974-07-20 |
| FR2156633A1 (en) | 1973-06-01 |
| GB1396916A (en) | 1975-06-11 |
| DE2149735C3 (en) | 1978-10-19 |
| DE2149735B2 (en) | 1978-02-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |