KR950008430A - 지르콘-티탄산납계 압전분말의 제조방법 - Google Patents
지르콘-티탄산납계 압전분말의 제조방법 Download PDFInfo
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- KR950008430A KR950008430A KR1019930018199A KR930018199A KR950008430A KR 950008430 A KR950008430 A KR 950008430A KR 1019930018199 A KR1019930018199 A KR 1019930018199A KR 930018199 A KR930018199 A KR 930018199A KR 950008430 A KR950008430 A KR 950008430A
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- South Korea
- Prior art keywords
- zircon
- precipitate
- piezoelectric powder
- lead titanate
- lead
- Prior art date
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- 239000000843 powder Substances 0.000 title claims abstract 6
- 238000004519 manufacturing process Methods 0.000 title claims 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002244 precipitate Substances 0.000 claims abstract description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims abstract 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract 4
- 239000010936 titanium Substances 0.000 claims abstract 4
- 229910052726 zirconium Inorganic materials 0.000 claims abstract 4
- 239000007864 aqueous solution Substances 0.000 claims abstract 3
- RLJMLMKIBZAXJO-UHFFFAOYSA-N lead nitrate Chemical compound [O-][N+](=O)O[Pb]O[N+]([O-])=O RLJMLMKIBZAXJO-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000011259 mixed solution Substances 0.000 claims abstract 3
- 239000000243 solution Substances 0.000 claims abstract 3
- 235000006408 oxalic acid Nutrition 0.000 claims abstract 2
- 239000002245 particle Substances 0.000 claims abstract 2
- 238000001556 precipitation Methods 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 1
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- 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
- C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/49—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 zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates
- C04B35/491—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 zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates based on lead zirconates and lead titanates, e.g. PZT
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/853—Ceramic compositions
- H10N30/8548—Lead-based oxides
- H10N30/8554—Lead-zirconium titanate [PZT] based
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- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
- C04B2103/0094—Agents for altering or buffering the pH; Ingredients characterised by their pH
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3886—Refractory metal nitrides, e.g. vanadium nitride, tungsten nitride
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/449—Organic acids, e.g. EDTA, citrate, acetate, oxalate
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
본 발명은 지르콘-티탄산납계 압전분말을 제조하는데 있어서, 질산납, 옥시질화 지르코늄 및 옥시질화 티탄의 수용액을 함유한 혼합용액을 옥살산에 적가하여 침전물을 생성하고, 이 침전물용액에 암모니아수를 첨가 한 후, 침전물을 알콜로 반응세척하고, 열처리하여서 되는 것을 특징으로 하는 약 0.1 내지 0.55㎛크기의 입경을 갖는 지르콘-티탄산납계 압전분말을 제조하는 방법이다.
상기의 본 발명에 의해 얻은 압전분말로 제조한 압전성 성형체의 성형밀도는 높은 값을 보여주고 있으며 성형체의 각 길이 위치에서 밀도와 두께의 편차가 작은 것으로 나타났다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1a도는 옥산살염의 침전 형성후 암모니아수 첨가하지 않았을 때 X선 회절분석 스펙트럼이고,
제1b도는 옥산살염의 침전 형성후 암모니아수를 10㎖첨가할 때 X선 회절분석 스펙트럼이고,
제1c도는 옥산살염의 침전 형성후 암모니아수를 20㎖첨가할 때 X선 회절분석 스펙트럼이고,
제1d도는 옥산살염의 침전 형성후 암모니아수를 30㎖첨가할 때 X선 회절분석 스펙트럼이고,
제1e도는 옥산살염의 침전을 알콜로 세척후 X선 회절분석 스펙트럼이고,
제2도는 본 발명에서 사용하는 테이프 성형기의 개략도이다.
Claims (4)
- 지르콘-티탄산납계 압전분말을 제조하는데 있어서, 질산납, 옥시질화 지르코늄 및 옥시질화 티탄의 수용액을 함유한 혼합용액을 옥살산에 적가하여 침전물을 생성하고, 침전이 생성된 이용액에 암모니아수를 첨가 한 후, 이 침전물을 알콜로 반응세척하고, 열처리하여서 되는 것을 특징으로 하는 약 0.1 내지 0.55㎛크기의 입경을 갖는 지르콘-티탄산납계 압전분말의 제조방법.
- 제1항에 있어서, 질산납, 옥시질화 지르코늄 및 옥시질화 티탄의 수용액을 함유한 혼합용액은 납:지르코늄:티탄의 몰비를 0.5:0.24:0.26로 혼합시켜서 되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 암모니아는 NH4OH를 사용하며, 침전용액의 pH가 9 내지 10이 될 때까지 첨가하여서 되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 열처리는 약 700 내지 1,000℃에서 2시간 동안 실시하여서 되는 것을 특징으로 하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930018199A KR960004388B1 (ko) | 1993-09-10 | 1993-09-10 | 지르콘-티탄산납계 압전분말의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930018199A KR960004388B1 (ko) | 1993-09-10 | 1993-09-10 | 지르콘-티탄산납계 압전분말의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950008430A true KR950008430A (ko) | 1995-04-17 |
| KR960004388B1 KR960004388B1 (ko) | 1996-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019930018199A KR960004388B1 (ko) | 1993-09-10 | 1993-09-10 | 지르콘-티탄산납계 압전분말의 제조방법 |
Country Status (1)
| Country | Link |
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| KR (1) | KR960004388B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100492935B1 (ko) * | 2002-11-15 | 2005-06-02 | 한국에너지기술연구원 | 압전소자의 저온소결방법 |
-
1993
- 1993-09-10 KR KR1019930018199A patent/KR960004388B1/ko not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100492935B1 (ko) * | 2002-11-15 | 2005-06-02 | 한국에너지기술연구원 | 압전소자의 저온소결방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR960004388B1 (ko) | 1996-04-02 |
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