CA1123862A - Oxidation resistant silicon nitride containing rare earth oxide - Google Patents
Oxidation resistant silicon nitride containing rare earth oxideInfo
- Publication number
- CA1123862A CA1123862A CA333,964A CA333964A CA1123862A CA 1123862 A CA1123862 A CA 1123862A CA 333964 A CA333964 A CA 333964A CA 1123862 A CA1123862 A CA 1123862A
- Authority
- CA
- Canada
- Prior art keywords
- weight percent
- silicon nitride
- si3n4
- bodies
- rare earth
- 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.)
- Expired
Links
- 229910052581 Si3N4 Inorganic materials 0.000 title claims abstract description 25
- 230000003647 oxidation Effects 0.000 title abstract description 16
- 238000007254 oxidation reaction Methods 0.000 title abstract description 16
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title description 25
- 229910001404 rare earth metal oxide Inorganic materials 0.000 title description 4
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 12
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 12
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 12
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 12
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 150000001768 cations Chemical class 0.000 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims abstract 3
- 239000000203 mixture Substances 0.000 claims description 9
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000007858 starting material Substances 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000004584 weight gain Effects 0.000 description 5
- 235000019786 weight gain Nutrition 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- CBQYNPHHHJTCJS-UHFFFAOYSA-N Alline Chemical compound C1=CC=C2C3(O)CCN(C)C3NC2=C1 CBQYNPHHHJTCJS-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000001272 pressureless sintering Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001503991 Consolida Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910005091 Si3N Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013766 direct food additive Nutrition 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910000601 superalloy 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
- C04B35/515—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
-
- 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
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94451578A | 1978-09-20 | 1978-09-20 | |
| US944,515 | 1986-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1123862A true CA1123862A (en) | 1982-05-18 |
Family
ID=25481551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA333,964A Expired CA1123862A (en) | 1978-09-20 | 1979-08-17 | Oxidation resistant silicon nitride containing rare earth oxide |
Country Status (5)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4400427A (en) * | 1981-12-21 | 1983-08-23 | Gte Laboratories Incorporated | Sintered silicon nitride ceramic articles having surface layers of controlled composition |
| US4383958A (en) * | 1981-12-21 | 1983-05-17 | Gte Laboratories Incorporated | Method of producing dense silicon nitride ceramic articles having controlled surface layer composition |
| EP0107919A1 (en) * | 1982-10-01 | 1984-05-09 | The British Ceramic Research Association Limited | Silicon nitride ceramic bodies |
| JPS59169980A (ja) * | 1983-03-17 | 1984-09-26 | フオ−ド・モ−タ−・カンパニ− | 窒化ケイ素含有単一体およびその製造方法 |
| JPS62207765A (ja) * | 1986-03-06 | 1987-09-12 | 日本碍子株式会社 | 窒化珪素焼結体 |
| DE3709137A1 (de) * | 1986-03-28 | 1987-10-15 | Ngk Insulators Ltd | Siliciumnitrid-sinterkoerper, verfahren zu ihrer herstellung und siliciumnitridpulver |
| DE3744692C2 (de) * | 1986-03-28 | 1995-03-09 | Ngk Insulators Ltd | Siliciumnitridpulver und Verfahren zu seiner Herstellung |
| US5292489A (en) * | 1991-06-24 | 1994-03-08 | Alliedsignal Inc. | Ternary silicon-rare earth nitrides and process for their preparation |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3830652A (en) * | 1973-06-28 | 1974-08-20 | Us Army | Hot pressed, high strength silicon nitride |
| GB1482465A (en) * | 1974-06-20 | 1977-08-10 | Lucas Ltd Joseph | Method of producing a sintered ceramic product |
| JPS566392B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-04-01 | 1981-02-10 | ||
| JPS5628865B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-07-05 | 1981-07-04 | ||
| JPS56388B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-06-28 | 1981-01-07 | ||
| US4073845A (en) * | 1976-01-29 | 1978-02-14 | Gte Sylvania Incorporated | High density high strength S13 N4 ceramics prepared by pressureless sintering of partly crystalline, partly amorphous S13 N4 powder |
| US4102698A (en) * | 1976-11-23 | 1978-07-25 | Westinghouse Electric Corp. | Silicon nitride compositions in the Si3 N4 -Y2 O3 -SiO2 system |
| JPS6016387B2 (ja) * | 1977-03-25 | 1985-04-25 | 株式会社東芝 | 耐熱性材料の製造方法 |
| DE2967302D1 (en) * | 1978-05-31 | 1985-01-03 | Ford Motor Co | Ceramic cutting tool composition, method of its manufacture and its use in machining cast iron |
| JPS5532785A (en) * | 1978-05-31 | 1980-03-07 | Ford Motor Co | Si3n44y2033si02 ceramic cutting tool useful for cast iron cutting work and its manufacture |
-
1979
- 1979-08-17 CA CA333,964A patent/CA1123862A/en not_active Expired
- 1979-09-18 DE DE19792937740 patent/DE2937740A1/de active Granted
- 1979-09-19 JP JP11942779A patent/JPS5542295A/ja active Pending
- 1979-09-19 GB GB7932447A patent/GB2032414B/en not_active Expired
- 1979-09-19 FR FR797923325A patent/FR2436764B1/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2436764A1 (fr) | 1980-04-18 |
| GB2032414A (en) | 1980-05-08 |
| FR2436764B1 (fr) | 1990-08-24 |
| DE2937740C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-10-08 |
| DE2937740A1 (de) | 1980-04-03 |
| GB2032414B (en) | 1982-11-17 |
| JPS5542295A (en) | 1980-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |