ES354347A1 - Method for thermochemical strengthening of glass articles - Google Patents
Method for thermochemical strengthening of glass articlesInfo
- Publication number
- ES354347A1 ES354347A1 ES354347A ES354347A ES354347A1 ES 354347 A1 ES354347 A1 ES 354347A1 ES 354347 A ES354347 A ES 354347A ES 354347 A ES354347 A ES 354347A ES 354347 A1 ES354347 A1 ES 354347A1
- Authority
- ES
- Spain
- Prior art keywords
- ions
- points
- transformation range
- heating
- per cent
- 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
- 239000011521 glass Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title 1
- 238000005728 strengthening Methods 0.000 title 1
- 230000009466 transformation Effects 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229910001414 potassium ion Inorganic materials 0.000 abstract 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 abstract 1
- 229910018068 Li 2 O Inorganic materials 0.000 abstract 1
- 229910004298 SiO 2 Inorganic materials 0.000 abstract 1
- 229910010413 TiO 2 Inorganic materials 0.000 abstract 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 abstract 1
- 238000000137 annealing Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000006025 fining agent Substances 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 239000006133 sodium aluminosilicate glass Substances 0.000 abstract 1
- 229910001415 sodium ion Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
- Glass Compositions (AREA)
Abstract
A sodium alumino-silicate glass article is strengthened by (1) heating the article to from 25 C. below the transformation range to within the transformation range for 4 hours and (ii) exchanging K+ for Na+ ions by contacting a surface with K+ ions at 50-150 below the strain point of the glass long enough for a compression layer 5 mm. deep to be formed in the surface. The glass consists essentially in wt. per cent of: Na 2 O, 10-20 Al 2 O 3 10-25 SiO 2 50-65. Other compatible oxides not exceeding 10 wt. per cent individually or 20% in total may be present, e.g. K 2 O, alkaline earth oxides e.g. MgO or CaO, ZrO 2 , PbO, P 2 O 5 , TiO 2 or B 2 O 3 . Not more than 1% Li 2 O should be present. Up to 1% As 2 O 3 may be added as fining agent. The strain points of these glasses are 550-600 C. and the annealing, points 600-650 C. The transformation range lies between these two points, and the heating in this range is preferably at 5-35 above the strain point, in an inert atmosphere, e.g. air. The K+ ions may be applied as a molten KNO 3 bath. Specification 966,733 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US642686A US3524737A (en) | 1967-06-01 | 1967-06-01 | Method for thermochemical strengthening of glass articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES354347A1 true ES354347A1 (en) | 1969-11-01 |
Family
ID=24577600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES354347A Expired ES354347A1 (en) | 1967-06-01 | 1968-05-25 | Method for thermochemical strengthening of glass articles |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3524737A (en) |
| JP (1) | JPS4610430B1 (en) |
| BE (1) | BE716046A (en) |
| DE (1) | DE1771427A1 (en) |
| ES (1) | ES354347A1 (en) |
| FR (1) | FR1570118A (en) |
| GB (1) | GB1212123A (en) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE755946A (en) * | 1969-09-10 | 1971-03-09 | Saint Gobain Pont A Mousson | IMPROVEMENTS IN PROCESSES FOR SURFACE TREATMENT OF GLASS OR CERAMIC ARTICLES BY ION EXCHANGE |
| US3751238A (en) * | 1970-02-25 | 1973-08-07 | Corning Glass Works | Method of chemically strengthening a silicate article containing soda |
| US3773489A (en) * | 1971-03-16 | 1973-11-20 | Corning Glass Works | Chemically strengthened glass |
| DE2205844C3 (en) * | 1972-02-08 | 1975-08-14 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Binoculars for spectacles chemically hardened by alkali ion exchange |
| US4119760A (en) * | 1975-08-15 | 1978-10-10 | Ppg Industries, Inc. | Chemical strengthening of glass |
| DE3840071A1 (en) * | 1988-11-28 | 1990-05-31 | Schott Glaswerke | METHOD FOR EXCHANGING IONS ON GLASS OR GLASS CERAMICS |
| GB2335423A (en) * | 1998-03-20 | 1999-09-22 | Pilkington Plc | Chemically toughenable glass |
| AU2001273158A1 (en) | 2000-08-15 | 2002-02-25 | Corning Incorporated | High silver borosilicate glasses |
| US7666511B2 (en) * | 2007-05-18 | 2010-02-23 | Corning Incorporated | Down-drawable, chemically strengthened glass for cover plate |
| EP3392220A1 (en) | 2007-11-29 | 2018-10-24 | Corning Incorporated | Glasses having improved toughness and scratch resistance |
| EP3138822B1 (en) | 2008-02-26 | 2023-07-26 | Corning Incorporated | Fining agents for silicate glasses |
| CN102131740B (en) * | 2008-07-11 | 2015-12-02 | 康宁股份有限公司 | For the glass with compressive surfaces of consumer applications |
| EP2334613A1 (en) * | 2008-08-21 | 2011-06-22 | Corning Inc. | Durable glass housings/enclosures for electronic devices |
| US20100055395A1 (en) * | 2008-08-28 | 2010-03-04 | Ljerka Ukrainczyk | Method of Making Shaped Glass Articles |
| FR2939787A1 (en) | 2008-12-15 | 2010-06-18 | Saint Gobain | GLASS COMPOSITION SUITABLE FOR THE PRODUCTION OF OPTICAL PLANE ELEMENTS |
| US8341976B2 (en) | 2009-02-19 | 2013-01-01 | Corning Incorporated | Method of separating strengthened glass |
| TWI588104B (en) * | 2010-12-14 | 2017-06-21 | 康寧公司 | Heat treatment for strengthening glasses |
| US10941071B2 (en) | 2013-08-02 | 2021-03-09 | Corning Incorporated | Hybrid soda-lime silicate and aluminosilicate glass articles |
| DE102013019003A1 (en) * | 2013-11-13 | 2015-05-13 | Taiwan Glass Ind. Corp. | Alkali-aluminosilicate glass |
| CN105939975A (en) | 2013-11-26 | 2016-09-14 | 康宁股份有限公司 | Fast ion exchangeable glasses with high indentation threshold |
| US9670088B2 (en) | 2014-05-20 | 2017-06-06 | Corning Incorporated | Scratch resistant glass and method of making |
| RU2711424C2 (en) | 2014-12-31 | 2020-01-17 | Корнинг Инкорпорейтед | Methods of processing glass articles |
| CN107108346B (en) | 2014-12-31 | 2020-03-27 | 康宁股份有限公司 | Method for heat treating glass articles |
| WO2019070788A1 (en) * | 2017-10-06 | 2019-04-11 | Corning Incorporated | Glass laminate with low cs, high depth of layer, chemically strengthened inner glass layer and method |
| US11634354B2 (en) | 2021-06-18 | 2023-04-25 | Corning Incorporated | Colored glass articles having improved mechanical durability |
| US11802072B2 (en) | 2021-06-18 | 2023-10-31 | Corning Incorporated | Gold containing silicate glass |
| CN116854366A (en) | 2021-06-18 | 2023-10-10 | 康宁股份有限公司 | Tinted glass articles with improved mechanical durability |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3396075A (en) * | 1962-09-17 | 1968-08-06 | Pittsburgh Plate Glass Co | Glass articles |
| NL298724A (en) * | 1962-10-04 | |||
| US3445316A (en) * | 1966-04-14 | 1969-05-20 | Corning Glass Works | Method of differential chemical tempering glass and article |
-
1967
- 1967-06-01 US US642686A patent/US3524737A/en not_active Expired - Lifetime
-
1968
- 1968-05-21 JP JP3381168A patent/JPS4610430B1/ja active Pending
- 1968-05-22 DE DE19681771427 patent/DE1771427A1/en active Pending
- 1968-05-23 GB GB24590/68A patent/GB1212123A/en not_active Expired
- 1968-05-25 ES ES354347A patent/ES354347A1/en not_active Expired
- 1968-05-31 FR FR1570118D patent/FR1570118A/fr not_active Expired
- 1968-05-31 BE BE716046D patent/BE716046A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1212123A (en) | 1970-11-11 |
| JPS4610430B1 (en) | 1971-03-16 |
| BE716046A (en) | 1968-12-02 |
| US3524737A (en) | 1970-08-18 |
| DE1771427A1 (en) | 1971-12-16 |
| FR1570118A (en) | 1969-06-06 |
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