CH677923A5 - - Google Patents
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- Publication number
- CH677923A5 CH677923A5 CH164189A CH164189A CH677923A5 CH 677923 A5 CH677923 A5 CH 677923A5 CH 164189 A CH164189 A CH 164189A CH 164189 A CH164189 A CH 164189A CH 677923 A5 CH677923 A5 CH 677923A5
- Authority
- CH
- Switzerland
- Prior art keywords
- boron nitride
- density
- sintering
- pressure
- powder
- Prior art date
Links
- 238000005245 sintering Methods 0.000 claims description 26
- 229910052582 BN Inorganic materials 0.000 claims description 25
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 8
- 238000001513 hot isostatic pressing Methods 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 3
- 150000002602 lanthanoids Chemical class 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000000462 isostatic pressing Methods 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims 1
- 239000012299 nitrogen atmosphere Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 11
- 238000000465 moulding Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 229910052810 boron oxide Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000004438 BET method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- -1 copper , Non-metals Chemical class 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
- C04B35/583—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH164189A CH677923A5 (enrdf_load_html_response) | 1989-04-28 | 1989-04-28 | |
| DE19904013025 DE4013025C2 (de) | 1989-04-28 | 1990-04-24 | Herstellung von Bornitrid-Formkörpern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH164189A CH677923A5 (enrdf_load_html_response) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH677923A5 true CH677923A5 (enrdf_load_html_response) | 1991-07-15 |
Family
ID=4215212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH164189A CH677923A5 (enrdf_load_html_response) | 1989-04-28 | 1989-04-28 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH677923A5 (enrdf_load_html_response) |
| DE (1) | DE4013025C2 (enrdf_load_html_response) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6645612B2 (en) | 2001-08-07 | 2003-11-11 | Saint-Gobain Ceramics & Plastics, Inc. | High solids hBN slurry, hBN paste, spherical hBN powder, and methods of making and using them |
| US7494635B2 (en) | 2003-08-21 | 2009-02-24 | Saint-Gobain Ceramics & Plastics, Inc. | Boron nitride agglomerated powder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2140762A1 (de) * | 1970-08-13 | 1972-02-17 | Lonza Ag | Verfahren zur Herstellung von Sinterkörpern aus Bornitrid |
| US4097293A (en) * | 1969-04-30 | 1978-06-27 | Tokyo Shibaura Electric Co., Ltd. | Method for manufacturing heat-resistant reinforced composite materials |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2887393A (en) * | 1956-03-12 | 1959-05-19 | Carborundum Co | Refractory bodies containing boron nitride |
| SE394178B (sv) * | 1975-02-03 | 1977-06-13 | Asea Ab | Forfarande for varmpressning av pulverkroppar |
| DE2629960C3 (de) * | 1976-07-02 | 1981-08-06 | Moskovskij chimiko-technologičeskij institut imeni D.I. Mendeleeva, Moskva | Verfahren zur Herstellung von Erzeugnissen auf der Basis von hexagonalem Bornitrid |
| DE3201563A1 (de) * | 1982-01-20 | 1983-07-28 | Elektroschmelzwerk Kempten GmbH, 8000 München | Dichte formkoerper aus polykristallinem, hexagonalem bornitrid und verfahren zu ihrer herstellung durch isostatisches heisspressen |
| JP3066900B2 (ja) * | 1988-11-15 | 2000-07-17 | キヤノン株式会社 | 画像形成装置 |
| CH677488A5 (enrdf_load_html_response) * | 1989-02-14 | 1991-05-31 | Htm Ag |
-
1989
- 1989-04-28 CH CH164189A patent/CH677923A5/de not_active IP Right Cessation
-
1990
- 1990-04-24 DE DE19904013025 patent/DE4013025C2/de not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4097293A (en) * | 1969-04-30 | 1978-06-27 | Tokyo Shibaura Electric Co., Ltd. | Method for manufacturing heat-resistant reinforced composite materials |
| DE2140762A1 (de) * | 1970-08-13 | 1972-02-17 | Lonza Ag | Verfahren zur Herstellung von Sinterkörpern aus Bornitrid |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4013025C2 (de) | 1994-07-14 |
| DE4013025A1 (de) | 1990-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |