JP6202775B2 - Li2O−Al2O3−SiO2系結晶化ガラス - Google Patents
Li2O−Al2O3−SiO2系結晶化ガラス Download PDFInfo
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- JP6202775B2 JP6202775B2 JP2011097770A JP2011097770A JP6202775B2 JP 6202775 B2 JP6202775 B2 JP 6202775B2 JP 2011097770 A JP2011097770 A JP 2011097770A JP 2011097770 A JP2011097770 A JP 2011097770A JP 6202775 B2 JP6202775 B2 JP 6202775B2
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0054—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing PbO, SnO2, B2O3
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
- C03C10/0027—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
- C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Description
まず表1に記載の組成を有するガラスとなるように、各原料を酸化物、水酸化物、炭酸塩、硝酸塩等の形態で調合し、均一に混合した。得られた原料バッチを酸素燃焼による耐火物窯に投入し、溶解効率2.5m2/(t/day)、最高温度1680℃となる条件で溶融した。白金スターラーによりガラス融液を攪拌した後、4mmの厚さにロール成形し、さらに徐冷炉を用いて室温まで冷却することにより結晶性ガラスを得た。
溶解効率2m2/(t/day)、最高温度1820℃で溶解を行った以外は、実施例1と同様にして結晶化ガラスを作製した。得られた結晶化ガラスのb*値を測定したところ、実施例1の結晶化ガラスと比較して1程度大きくなり、着色が強くなることがわかった。
表3および4は実施例9〜14および比較例7〜10を示している。
Claims (5)
- 組成として質量%で、SiO2 55〜75%、Al2O3 21.5〜27%、Li2O 2〜4%、TiO2 1.5〜3%、TiO2+ZrO2 3.8〜5%、SnO2 0.1〜0.5%、Na2O+K2O+BaO 0〜2%、Fe2O3 60〜300ppmを含有し、3.7≦Li2O+0.741MgO+0.367ZnO≦4.5かつSrO+1.847CaO≦0.4の関係を満たし、3mm厚での透過光の色調が、CIE規格のL * a * b * 表示のb * 値で4.5以下であり、厚み1.1mm、波長400nmにおける透過率が82.5%以上であることを特徴とするLi2O−Al2O3−SiO2系結晶化ガラス。
- 主結晶としてβ−石英固溶体を含有することを特徴とする請求項1に記載のLi2O−Al2O3−SiO2系結晶化ガラス。
- MgOを0.1%以上含有すること特徴とする請求項1又は2に記載のLi2O−Al2O3−SiO2系結晶化ガラス。
- Nd2O3およびCoOを実質的に含有しないことを特徴とする請求項1〜3のいずれかに記載のLi2O−Al2O3−SiO2系結晶化ガラス。
- 30〜380℃における熱膨張係数が、−2.5×10−7/℃〜2.5×10−7/℃であることを特徴とする請求項1〜4のいずれかに記載のLi2O−Al2O3−SiO2系結晶化ガラス。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011097770A JP6202775B2 (ja) | 2010-08-11 | 2011-04-26 | Li2O−Al2O3−SiO2系結晶化ガラス |
PCT/JP2011/067753 WO2012020678A1 (ja) | 2010-08-11 | 2011-08-03 | Li2O-Al2O3-SiO2系結晶化ガラス |
CN201180024017.5A CN102892725B (zh) | 2010-08-11 | 2011-08-03 | Li2O-Al2O3-SiO2系结晶化玻璃 |
US13/816,005 US9126859B2 (en) | 2010-08-11 | 2011-08-03 | Li2O—Al2O3—SiO2—based crystallized glass |
EP11816344.3A EP2604583B1 (en) | 2010-08-11 | 2011-08-03 | Li2O-Al2O3-SiO2-BASED CRYSTALLIZED GLASS |
Applications Claiming Priority (3)
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JP2010180443 | 2010-08-11 | ||
JP2010180443 | 2010-08-11 | ||
JP2011097770A JP6202775B2 (ja) | 2010-08-11 | 2011-04-26 | Li2O−Al2O3−SiO2系結晶化ガラス |
Related Child Applications (1)
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JP2016161878A Division JP6421795B2 (ja) | 2010-08-11 | 2016-08-22 | Li2O−Al2O3−SiO2系結晶化ガラス |
Publications (2)
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JP2012056829A JP2012056829A (ja) | 2012-03-22 |
JP6202775B2 true JP6202775B2 (ja) | 2017-09-27 |
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JP2011097770A Active JP6202775B2 (ja) | 2010-08-11 | 2011-04-26 | Li2O−Al2O3−SiO2系結晶化ガラス |
Country Status (5)
Country | Link |
---|---|
US (1) | US9126859B2 (ja) |
EP (1) | EP2604583B1 (ja) |
JP (1) | JP6202775B2 (ja) |
CN (1) | CN102892725B (ja) |
WO (1) | WO2012020678A1 (ja) |
Families Citing this family (23)
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JP2013249221A (ja) | 2012-05-31 | 2013-12-12 | Nippon Electric Glass Co Ltd | Li2O−Al2O3−SiO2系結晶化ガラス及びその製造方法 |
KR102129504B1 (ko) * | 2012-10-04 | 2020-07-06 | 코닝 인코포레이티드 | 유리층 및 유리-세라믹층을 갖는 제품 및 이의 제조 방법 |
IN2015DN03050A (ja) | 2012-10-04 | 2015-10-02 | Corning Inc | |
JP6451317B2 (ja) * | 2013-02-21 | 2019-01-16 | 日本電気硝子株式会社 | 結晶化ガラス及びその製造方法 |
DE102013216736B9 (de) * | 2013-08-22 | 2016-12-15 | Schott Ag | Verfahren zur Ermittlung eines Prozessfensters sowie Verfahren zur Herstellung einer Glaskeramik |
US9701574B2 (en) | 2013-10-09 | 2017-07-11 | Corning Incorporated | Crack-resistant glass-ceramic articles and methods for making the same |
JP6331322B2 (ja) * | 2013-10-11 | 2018-05-30 | 日本電気硝子株式会社 | Li2O−Al2O3−SiO2系結晶化ガラス |
FR3025793B1 (fr) * | 2014-09-12 | 2016-12-02 | Eurokera | Plaque en vitroceramique |
FR3036700B1 (fr) | 2015-05-29 | 2021-04-16 | Eurokera | Vitroceramiques du type aluminosilicate de lithium, transparentes, essentiellement incolores, affinees a l'etain, avec une microstructure amelioree et des proprietes de dilatation thermique ameliorees |
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KR102595466B1 (ko) * | 2017-09-05 | 2023-10-30 | 니폰 덴키 가라스 가부시키가이샤 | Las계 결정성 유리, las계 결정화 유리, 및 그것들의 제조 방법 |
DE102018110855A1 (de) | 2017-12-22 | 2018-06-28 | Schott Ag | Glaskeramik mit reduziertem Lithium-Gehalt |
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EP3823935A1 (en) | 2018-07-16 | 2021-05-26 | Corning Incorporated | Glass ceramic articles having improved properties and methods for making the same |
CN112437759A (zh) * | 2018-07-16 | 2021-03-02 | 康宁股份有限公司 | 具有改善的翘曲的玻璃制品的陶瓷化方法 |
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-
2011
- 2011-04-26 JP JP2011097770A patent/JP6202775B2/ja active Active
- 2011-08-03 WO PCT/JP2011/067753 patent/WO2012020678A1/ja active Application Filing
- 2011-08-03 CN CN201180024017.5A patent/CN102892725B/zh active Active
- 2011-08-03 US US13/816,005 patent/US9126859B2/en active Active
- 2011-08-03 EP EP11816344.3A patent/EP2604583B1/en active Active
Also Published As
Publication number | Publication date |
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CN102892725B (zh) | 2015-11-25 |
EP2604583A1 (en) | 2013-06-19 |
EP2604583B1 (en) | 2019-09-25 |
EP2604583A4 (en) | 2015-06-03 |
CN102892725A (zh) | 2013-01-23 |
WO2012020678A1 (ja) | 2012-02-16 |
US20130130887A1 (en) | 2013-05-23 |
JP2012056829A (ja) | 2012-03-22 |
US9126859B2 (en) | 2015-09-08 |
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