FR2459788A1 - Procede de fabrication de produits thermostables de grande refractarite en ceramique - Google Patents
Procede de fabrication de produits thermostables de grande refractarite en ceramique Download PDFInfo
- Publication number
- FR2459788A1 FR2459788A1 FR7916293A FR7916293A FR2459788A1 FR 2459788 A1 FR2459788 A1 FR 2459788A1 FR 7916293 A FR7916293 A FR 7916293A FR 7916293 A FR7916293 A FR 7916293A FR 2459788 A1 FR2459788 A1 FR 2459788A1
- Authority
- FR
- France
- Prior art keywords
- temperature
- sintering
- heater
- product
- oxides
- 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
- 238000005245 sintering Methods 0.000 title claims abstract description 70
- 238000001035 drying Methods 0.000 title claims abstract description 7
- 238000010438 heat treatment Methods 0.000 title abstract description 25
- 229910052596 spinel Inorganic materials 0.000 title description 26
- 239000011029 spinel Substances 0.000 title description 25
- 239000012298 atmosphere Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 25
- 235000012245 magnesium oxide Nutrition 0.000 claims description 24
- 239000000919 ceramic Substances 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 19
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical class [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 12
- 229910045601 alloy Inorganic materials 0.000 abstract description 11
- 239000000956 alloy Substances 0.000 abstract description 11
- 238000005266 casting Methods 0.000 abstract description 11
- 230000008018 melting Effects 0.000 abstract description 11
- 238000002844 melting Methods 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 10
- 229910052593 corundum Inorganic materials 0.000 abstract description 10
- 239000010959 steel Substances 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 5
- 150000002739 metals Chemical class 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000005275 alloying Methods 0.000 abstract 1
- 229910052756 noble gas Inorganic materials 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 57
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 33
- 239000000395 magnesium oxide Substances 0.000 description 22
- 239000000203 mixture Substances 0.000 description 22
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 13
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 11
- 229910052786 argon Inorganic materials 0.000 description 10
- 239000011777 magnesium Substances 0.000 description 9
- 230000035882 stress Effects 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- 238000010411 cooking Methods 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 239000010431 corundum Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 229910000753 refractory alloy Inorganic materials 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000374 eutectic mixture Substances 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000007792 gaseous phase Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011214 refractory ceramic Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 241001235534 Graphis <ascomycete fungus> Species 0.000 description 1
- 229910026161 MgAl2O4 Inorganic materials 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-OUBTZVSYSA-N aluminium-28 atom Chemical compound [28Al] XAGFODPZIPBFFR-OUBTZVSYSA-N 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/44—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminates
- C04B35/443—Magnesium aluminate spinel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details specially adapted for crucible or pot furnaces
- F27B14/10—Crucibles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compositions Of Oxide Ceramics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7916293A FR2459788A1 (fr) | 1979-06-25 | 1979-06-25 | Procede de fabrication de produits thermostables de grande refractarite en ceramique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7916293A FR2459788A1 (fr) | 1979-06-25 | 1979-06-25 | Procede de fabrication de produits thermostables de grande refractarite en ceramique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2459788A1 true FR2459788A1 (fr) | 1981-01-16 |
| FR2459788B1 FR2459788B1 (OSRAM) | 1981-10-30 |
Family
ID=9227055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7916293A Granted FR2459788A1 (fr) | 1979-06-25 | 1979-06-25 | Procede de fabrication de produits thermostables de grande refractarite en ceramique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2459788A1 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0150007A3 (en) * | 1984-01-09 | 1985-08-14 | The Dow Chemical Company | Use of magnesium spinle in light metal reduction cells |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR638843A (fr) * | 1926-12-21 | 1928-06-04 | Procédé pour la fabrication d'objets en substances réfractaires, isolantes ou abrasives, etc. | |
| DE1171323B (de) * | 1961-01-19 | 1964-05-27 | Veitscher Magnesitwerke Ag | Feuerfeste Masse auf Magnesiagrundlage zur Herstellung der Tiegel von Induktionsoefen |
-
1979
- 1979-06-25 FR FR7916293A patent/FR2459788A1/fr active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR638843A (fr) * | 1926-12-21 | 1928-06-04 | Procédé pour la fabrication d'objets en substances réfractaires, isolantes ou abrasives, etc. | |
| DE1171323B (de) * | 1961-01-19 | 1964-05-27 | Veitscher Magnesitwerke Ag | Feuerfeste Masse auf Magnesiagrundlage zur Herstellung der Tiegel von Induktionsoefen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0150007A3 (en) * | 1984-01-09 | 1985-08-14 | The Dow Chemical Company | Use of magnesium spinle in light metal reduction cells |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2459788B1 (OSRAM) | 1981-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4687655A (en) | Process for the manufacture of shaped articles from reaction-bonded silicon nitride by nitridation under elevated nitrogen gas pressure | |
| JPH03503663A (ja) | 複合材料の製造方法 | |
| US3385723A (en) | Carbon article coated with beta silicon carbide | |
| RU1782229C (ru) | Способ получени самонесущего керамического тела | |
| FR2684390A1 (fr) | Elimination de couches d'oxyde de moulages en titane, par utilisation d'un agent de desoxydation alcalino-terreux. | |
| JP2546856B2 (ja) | セラミック複合物物体の製造方法 | |
| FR2459788A1 (fr) | Procede de fabrication de produits thermostables de grande refractarite en ceramique | |
| EP0027639B1 (fr) | Procédé de fabrication de pièces en silicium nitrure | |
| US1131488A (en) | Vacuum process for production of steel. | |
| US4255373A (en) | Method for manufacturing highly refractory aluminum and magnesium oxide ceramic items | |
| JP3771127B2 (ja) | 高密度ＴｉＡｌ金属間化合物の常圧燃焼合成方法 | |
| US5855842A (en) | Process for producing a dense ceramic product | |
| US3801688A (en) | Process for producing high density ceramic products | |
| JP5002087B2 (ja) | クロミア焼結体とその製造方法 | |
| SU810649A1 (ru) | Способ получени пористых изде-лий из КАРбидА КРЕМНи | |
| JPH0218311B2 (OSRAM) | ||
| JPH02180755A (ja) | 非鉄溶融金属用含炭素セラミック複合体 | |
| JPH0210789B2 (OSRAM) | ||
| JP2599729B2 (ja) | 合金物品の造塊法 | |
| JPS61136963A (ja) | 窒化ケイ素基焼結体の製造方法 | |
| AU671810B2 (en) | Dense ceramic product | |
| GB2051032A (en) | Manufacturing refractory items | |
| SU1074402A3 (ru) | Способ получени изделий на основе нитрида кремни | |
| JP2002235129A (ja) | ガス放出を低減した金属−セラミックス複合材料の製造方法 | |
| JPH0891932A (ja) | 高密度フッ化アルミニウム焼結体及びその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |