CN109837498A - A kind of method in indirect dispersion-strengtherning platinum channel - Google Patents
A kind of method in indirect dispersion-strengtherning platinum channel Download PDFInfo
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- CN109837498A CN109837498A CN201711186989.XA CN201711186989A CN109837498A CN 109837498 A CN109837498 A CN 109837498A CN 201711186989 A CN201711186989 A CN 201711186989A CN 109837498 A CN109837498 A CN 109837498A
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- platinum
- platinum channel
- strengtherning
- zirconium oxide
- indirect
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Abstract
A kind of method in indirect dispersion-strengtherning platinum channel, pass through plasma spraying, one layer of second phase zircite coating insoluble in metallic matrix is sprayed in platinum channel outer wall, indirect dispersion-strengtherning platinum is acted on by the diffusion between particle at high temperature, on the one hand the method improves the expansibility resistance energy and high-temperature creep resistance of platinum channel at high temperature, on the other hand the voloxidation of platinum at high temperature is prevented, and avoids glass metal and directly contacts generation zirconium calculus with zirconium oxide.
Description
Technical field
The invention belongs to liquid crystal substrate glass to produce and process field, and in particular to a kind of indirect dispersion-strengtherning platinum channel
Method.
Background technique
Platinum channel be TFT-LCD liquid crystal glass base production in a vital component, main function be clarification,
Homogenizing, adjustment glass metal viscosity provide qualified good glass metal for next procedure.But crystal grain holds pure platinum under the high temperature conditions
Easily grow up, elevated temperature strength and high temperature creep property decline, the operating condition not being able to satisfy in TFT-LCD liquid crystal glass base production process
It is required that.The high-temperature behavior of platinum can be improved by solution strengthening to a certain extent for the introducing of rhodium element, but platinum is exposed
It is easily oxidized in air and generates volatilization under high temperature.
Summary of the invention
The method that the present invention uses plasma spraying sprays one layer in platinum channel outer wall and does not dissolve in the second of parent metal
Phase yttrium stable zirconium oxide coating, in the case where not influencing TFT-LCD glass substrate generation zirconium calculus, in 1600 DEG C or so of height
Under temperature, by the indirect dispersion-strengtherning platinum of diffusion between particle, its elevated temperature strength and creep-resistant property are improved.
The specific technical solution of the present invention is as follows:
Such as attached drawing 1, yttrium stable zirconium oxide powder is put into plasma spraying equipment by feeding port, cathode 3 and anode 7 divide
Do not connect power cathode 5 and positive pole 4, under the action of DC power anode 4, DC power cathode 5 anode 7 and cathode 3 it
Between generate potential difference, by high-frequency spark ignite electric arc by yttrium stable zirconium oxide powder melts formation plasma flame flow be sprayed at platinum
On golden channel outer wall, forms a layer thickness and be that 0.10~0.20mm is fine and close and uniform yttrium stable zirconium oxide coating.It is producing
Under 1600 DEG C of TFT-LCD glass substrate or so of working condition, by the indirect dispersion-strengtherning platinum of diffusion between particle,
Improve its elevated temperature strength and creep-resistant property.
Compared with prior art, directly yttrium stable zirconium oxide particle is added for the method that the present invention does not use powder metallurgy
Strengthen platinum in platinum as disperse phase, but spray one layer of yttrium stable zirconium oxide in platinum channel outer wall, by high temperature
The indirect dispersion-strengtherning platinum of diffusion between lower particle, on the one hand effectively prevents glass metal and contacts zirconia causes zirconium
Calculus, on the one hand the second phase yttrium stable zirconium oxide Dispersed precipitate hinders dislocation motion in platinum grain boundaries, enhances platinum high temperature
Intensity and creep-resistant property simultaneously prevent platinum outer wall to volatilize at high temperature, ensure that platinum channel is applied to TFT-LCD glass
The working condition requirement of substrate production.
Detailed description of the invention
Fig. 1 is the schematic diagram that platinum channel outer wall spraying yttrium stable zirconium oxide is coated in using plasma spray.
Wherein: 1- yttrium stable zirconium oxide powdering inlet, 2- plasma flame flow, 3- cathode, 4- DC power anode, 5- direct current
Power cathode, 6- cooling medium plasma (orifice) gas entrance, 7- anode, 8- platinum channel ontology, 9- yttrium stable zirconium oxide coating.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Such as Fig. 1, the zirconia crystal lattice type used is yttrium stable zirconium oxide, which is passed through powder
Entrance 1 puts into plasma spraying equipment, and cathode 3 and anode 7 connect power cathode 5 and positive pole 4 respectively, in DC power anode
4, potential difference is generated between anode 7 and cathode 3 under the action of DC power cathode 5, it is by the high-frequency spark electric arc that ignites that yttrium is steady
Determine Zirconium oxide powder to melt to form plasma flame flow 2, plasma flame flow 2 is transported by cooling medium plasma (orifice) gas 6, is sprayed at platinum
On the outer wall of golden channel body 8, forms a layer thickness and be that 0.10~0.20mm is fine and close and uniform yttrium stable zirconium oxide coating 9.
It is strong by the indirect disperse of diffusion between particle under 1600 DEG C of TFT-LCD glass substrate or so of production of working condition
Change platinum, improves its elevated temperature strength and creep-resistant property.Meanwhile the fine and close and uniform yttrium stable zirconium oxide coating of formation can be with
It is effectively prevent the voloxidation of platinum at high temperature, avoids the generation of zirconium calculus.
Claims (3)
1. a kind of method in indirect dispersion-strengtherning platinum channel, which is characterized in that outside the platinum channel for conveying glass metal
Surface sprays one layer of yttrium stable zirconium oxide coating by way of plasma spraying, and it is logical that the coating is uniform and compact is distributed in platinum
Road outer surface.
2. a kind of method in indirect dispersion-strengtherning platinum channel according to claim 1, which is characterized in that in spraying yttrium
It before stabilizing zirconia coating, first has to platinum channel surface washes of absolute alcohol is clean, cannot there is any organic matter ash
Dirt or reproducibility element are mixed between coating and platinum channel.
3. a kind of method in indirect dispersion-strengtherning platinum channel according to claim 1, which is characterized in that logical in platinum
The yttrium stable zirconium oxide coating layer thickness of road outer surface spraying is 0.10~0.20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711186989.XA CN109837498A (en) | 2017-11-24 | 2017-11-24 | A kind of method in indirect dispersion-strengtherning platinum channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711186989.XA CN109837498A (en) | 2017-11-24 | 2017-11-24 | A kind of method in indirect dispersion-strengtherning platinum channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109837498A true CN109837498A (en) | 2019-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711186989.XA Pending CN109837498A (en) | 2017-11-24 | 2017-11-24 | A kind of method in indirect dispersion-strengtherning platinum channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423126A (en) * | 2019-07-30 | 2019-11-08 | 东旭科技集团有限公司 | The guard method of platinum channel and platinum channel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386929A (en) * | 2008-08-14 | 2009-03-18 | 无锡英特派金属制品有限公司 | Zirconia and yttria dispersion strengthening palau alloy and producing method thereof |
| CN203513471U (en) * | 2013-07-10 | 2014-04-02 | 彩虹显示器件股份有限公司 | Platinum channel pipe fitting |
| CN104163571A (en) * | 2013-08-27 | 2014-11-26 | 芜湖东旭光电装备技术有限公司 | Coating material for platinum channel |
| CN105466910A (en) * | 2015-11-23 | 2016-04-06 | 成都光明光电股份有限公司 | Method for measuring contents of zirconium and zirconia in strengthened dispersion platinum |
-
2017
- 2017-11-24 CN CN201711186989.XA patent/CN109837498A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386929A (en) * | 2008-08-14 | 2009-03-18 | 无锡英特派金属制品有限公司 | Zirconia and yttria dispersion strengthening palau alloy and producing method thereof |
| CN203513471U (en) * | 2013-07-10 | 2014-04-02 | 彩虹显示器件股份有限公司 | Platinum channel pipe fitting |
| CN104163571A (en) * | 2013-08-27 | 2014-11-26 | 芜湖东旭光电装备技术有限公司 | Coating material for platinum channel |
| CN105466910A (en) * | 2015-11-23 | 2016-04-06 | 成都光明光电股份有限公司 | Method for measuring contents of zirconium and zirconia in strengthened dispersion platinum |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423126A (en) * | 2019-07-30 | 2019-11-08 | 东旭科技集团有限公司 | The guard method of platinum channel and platinum channel |
| CN110423126B (en) * | 2019-07-30 | 2022-03-29 | 东旭光电科技股份有限公司 | Platinum channel and protection method thereof |
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Application publication date: 20190604 |