CN103102086B - Method for sealing metal and glass - Google Patents
Method for sealing metal and glass Download PDFInfo
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- CN103102086B CN103102086B CN201310046044.3A CN201310046044A CN103102086B CN 103102086 B CN103102086 B CN 103102086B CN 201310046044 A CN201310046044 A CN 201310046044A CN 103102086 B CN103102086 B CN 103102086B
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Abstract
The invention discloses a method for sealing metal and glass. The method comprises the following steps: firstly performing pre-oxidizing treatment, namely heating a sintering furnace to reach 700 DEG C, placing the metal into the sintering furnace after the heating, oxidizing and maintaining the temperature for 10 minutes to obtain an oxidization film, and then discharging the metal; adjusting the temperature of an inlet area in the sintering furnace to reach 870 DEG C; adjusting the temperature of a heating area to reach 920 DEG C; adjusting the temperature of a cooling area to reach 870 DEG C; charging nitrogen into an adjusting furnace after the temperature is adjusted to reach a stable state; assembling the metal with the oxidation film and the glass to form a loading plate; placing the loading plate into the sintering furnace after charging the nitrogen for 15 minutes; sequentially sintering through the inlet area, the heating area and the cooling area; mutually dipping the metal and the glass after sintering; sealing; and cooling after the sealing, wherein the glass and the metal are integrally contracted during gradually cooling.
Description
Technical field
The present invention relates to the method for the sealing-in of a kind of metal and glass.
Background technology
Metal current and glass just adopt assembly glue when carrying out sealing-in, and the tension of the mode of this sealing-in and twisting strength are not high, and assembly glue is industrial chemicals, easily discharges objectionable constituent, has injury to human body, affects environment.
Summary of the invention
The invention provides the method for the sealing-in of a kind of metal and glass, it not only tension and twisting strength high, and avoid discharge objectionable constituent, there are good insulating property simultaneously.
Present invention employs following technical scheme: the method for the sealing-in of a kind of metal and glass, it comprises the following steps: step one, pre-oxidation treatment: sintering oven is warming up to 700 DEG C, after intensification terminates, metal is put into after sintering oven carries out oxidation insulation 10min and produce oxide film, then metal is taken out; Step 2, the temperature regulating entrance region in sintering oven is 870 DEG C, the temperature of heating zone is 920 DEG C, the temperature of cooling area is 870 DEG C, in regulating stove, nitrogen is passed into again after temperature modification stability, support plate is formed by with after the metal of oxide film and glass assemblies, put into support plate in sintering oven after passing into nitrogen 15 min after successively through entrance region, heating zone and cooling area sinter, metal and glass carry out sealing-in after mutually infiltrating after sintering, cool after sealing-in terminates, in the process cooled gradually, make glass together with metal contracts.
The present invention when the coefficient of expansion of metal and the coefficient of expansion of glass close to time, matched seal is adopted between metal and glass, in the process cooled gradually, make glass and metal contracts be consistent after metal and glass sealing sealing-in, thus reduce the internal stress produced due to glass and metal contracts.
The present invention is when the coefficient of expansion of metal is greater than the coefficient of expansion of glass, it is compression sealing-in between metal and glass, because the contraction ratio also retract of metal is large after metal and glass sealing, glass is utilized to bear anti-pressure ability much larger than the characteristic of resistance to tension make metal pair glass produce object that stress has reached compression sealing-in.The fire door distance of the support plate that described distance sintering oven import is nearest and sintering oven is 82mm, the process putting into support plate, for one support plate is put into sintering oven every 6 min, often pushes one piece of support plate from fire door and just takes out one piece of support plate sintered from stove tail from putting into the 20th piece of support plate.Described metal is 10# steel, and described oxide film is Z 250.The import tolerance of described nitrogen is 10-15L/min, and the outlet tolerance of nitrogen is 10-15L/min.
The present invention has following beneficial effect: after have employed above technical scheme, the present invention carries out preoxidation to metal before sealing-in to be made it to generate oxide film, oxide film is Z 250, then infiltrated mutually by this layer of oxide film and glass and form chemical combination key, the bonding force that the bonding force of this chemical combination key adheres to much larger than other materials, therefore the product of glass fish metal sealing has enough tensions and twisting strength, and glass is a kind of ceramic, there is higher softening point temperature, therefore any objectionable constituent can not be discharged in comparatively high temps environment, the present invention has good stopping property leakage rate in addition, stopping property leakage rate reaches 10
-3pa.Cm
3/ s, has good insulating property.
Embodiment
Embodiment one, the invention provides the method for the sealing-in of a kind of metal and glass, it comprises the following steps: step one, pre-oxidation treatment: sintering oven is warming up to 700 DEG C, after intensification terminates, metal is put into after sintering oven carries out oxidation insulation 10min and produce oxide film, then taken out by metal, metal is 10# steel, and described oxide film is Z 250, step 2, the temperature regulating entrance region in sintering oven is 870 DEG C, the temperature of heating zone is 920 DEG C, the temperature of cooling area is 870 DEG C, in regulating stove, nitrogen is passed into again after temperature modification stability, the import tolerance of nitrogen is 10-15L/min, the outlet tolerance of nitrogen is 10-15L/min, support plate is formed by with after the metal of oxide film and glass assemblies, successively through entrance region put into support plate in sintering oven after passing into nitrogen 15 min after, heating zone and cooling area sinter, metal and glass carry out sealing-in after mutually infiltrating after sintering, when the coefficient of expansion of metal and the coefficient of expansion of glass close to time, matched seal is adopted between metal and glass, in the process cooled gradually, glass and metal contracts is made to be consistent after metal and glass sealing sealing-in, thus reduce the internal stress produced due to glass and metal contracts, when the coefficient of expansion of metal is greater than the coefficient of expansion of glass, it is compression sealing-in between metal and glass, contraction ratio also retract due to metal after metal and glass sealing is large, glass is utilized to bear anti-pressure ability much larger than the characteristic of resistance to tension make metal pair glass produce object that stress has reached compression sealing-in, at the fire door of the nearest support plate of distance sintering oven import and sintering oven apart from being 82mm, put into the process of support plate for one support plate is put into sintering oven every 6 min, from putting into the 20th piece of support plate, often push one piece of support plate from fire door just take out one piece of support plate sintered from stove tail.Cool after sealing-in terminates, in the process cooled gradually, make glass together with metal contracts, then support plate after sealing-in is tested, warehouse-in.
When metal is other metallic substance, in the sintering process of this metallic substance and glass the temperature of each warm area be each warm area temperature of 10# steel sintering process in embodiment one basis on increase by 40 DEG C, other techniques are identical with embodiment one.
Claims (1)
1. a method for the sealing-in of metal and glass, it comprises the following steps: step one, pre-oxidation treatment: sintering oven is warming up to 700 DEG C, is put into by metal after sintering oven carries out oxidation insulation 10min and produces oxide film, then taken out by metal after intensification terminates, step 2, the temperature regulating entrance region in sintering oven is 870 DEG C, the temperature of heating zone is 920 DEG C, the temperature of cooling area is 870 DEG C, in regulating stove, nitrogen is passed into again after temperature modification stability, support plate is formed by with after the metal of oxide film and glass assemblies, successively through entrance region put into support plate in sintering oven after passing into nitrogen 15min after, heating zone and cooling area sinter, metal and glass carry out sealing-in after mutually infiltrating after sintering, cool after sealing-in terminates, in the process cooled gradually, make glass together with metal contracts, when the coefficient of expansion of metal and the coefficient of expansion of glass close to time, matched seal is adopted between metal and glass, in the process cooled gradually, glass and metal contracts is made to be consistent after metal and glass sealing, thus reduce the internal stress produced due to glass and metal contracts, when the coefficient of expansion of metal is greater than the coefficient of expansion of glass, it is compression sealing-in between metal and glass, contraction ratio also retract due to metal after metal and glass sealing is large, utilizing glass to bear anti-pressure ability makes metal pair glass produce stress to reach the object of compression sealing-in much larger than the characteristic of resistance to tension, the fire door distance of the support plate that the import of distance sintering oven is nearest and sintering oven is 82mm, put into the process of support plate for one support plate is put into sintering oven every 6min, from putting into the 20th piece of support plate, often push one piece of support plate from fire door just take out one piece of support plate sintered from stove tail, described metal is 10# steel, described oxide film is Z 250, the import tolerance of described nitrogen is 10-15L/min, the outlet tolerance of nitrogen is 10-15L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046044.3A CN103102086B (en) | 2013-02-06 | 2013-02-06 | Method for sealing metal and glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046044.3A CN103102086B (en) | 2013-02-06 | 2013-02-06 | Method for sealing metal and glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103102086A CN103102086A (en) | 2013-05-15 |
| CN103102086B true CN103102086B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310046044.3A Expired - Fee Related CN103102086B (en) | 2013-02-06 | 2013-02-06 | Method for sealing metal and glass |
Country Status (1)
| Country | Link |
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| CN (1) | CN103102086B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107522413A (en) * | 2017-08-22 | 2017-12-29 | 惠州市锦恒工业模具设计合伙企业(普通合伙) | The optical window structure making process of sapphire eyeglass and kovar alloy air-tight packaging |
| CN107759112A (en) * | 2017-10-09 | 2018-03-06 | 中国兵器工业第二〇三研究所 | A kind of high pressure-bearing space flight propulsion plant electric spark workpiece closure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117276A (en) * | 2007-07-19 | 2008-02-06 | 北京科技大学 | Integrated metal-glass sealing method |
| CN201772753U (en) * | 2010-07-15 | 2011-03-23 | 蚌埠富源电子科技有限责任公司 | Hydrogen isolation device of chain type sintering furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5514801A (en) * | 1978-06-27 | 1980-02-01 | Toshiba Corp | Sealing alloy |
-
2013
- 2013-02-06 CN CN201310046044.3A patent/CN103102086B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117276A (en) * | 2007-07-19 | 2008-02-06 | 北京科技大学 | Integrated metal-glass sealing method |
| CN201772753U (en) * | 2010-07-15 | 2011-03-23 | 蚌埠富源电子科技有限责任公司 | Hydrogen isolation device of chain type sintering furnace |
Non-Patent Citations (1)
| Title |
|---|
| 可伐合金与玻璃封接工艺的优化;罗大为等;《北京科技大学学报》;20090131;第31卷(第1期);第62页左栏第1段，第63页右栏实验方法1.2 * |
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| CN103102086A (en) | 2013-05-15 |
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Granted publication date: 20150422 Termination date: 20190206 |