CN104893372B - A kind of runner plate high-temperature insulation coating - Google Patents
A kind of runner plate high-temperature insulation coating Download PDFInfo
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- CN104893372B CN104893372B CN201510267646.0A CN201510267646A CN104893372B CN 104893372 B CN104893372 B CN 104893372B CN 201510267646 A CN201510267646 A CN 201510267646A CN 104893372 B CN104893372 B CN 104893372B
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Abstract
This case discloses a kind of runner plate high-temperature insulation coating, includes the material of following parts by weight：The zirconium oxide of 50~52 parts by weight, the silica of 10~12 parts by weight, the barium monoxide of 10~12 parts by weight, the cobalt oxide of 5~7 parts by weight, the tin oxide of 5~7 parts by weight, the gallium oxide of the boron oxide of 2~4 parts by weight and 2~4 parts by weight.The coating that this case is related to, with core, by introducing a variety of oxides with synergistic effect, effectively increases surface strength, resistance to compression and the wear resistance of coating at high temperature with zirconium oxide.By adding titanium carbide, cerium oxide and zinc oxide in the coating, expansion amplitude of the runner plate to temperature difference and pressure differential is effectively improved, so as to overcome the breathing of runner plate to be used for baneful influence caused by effect and service life.
Description
Technical field
The present invention relates to a kind of insulating coating, and in particular to a kind of insulating coating for being coated on sheet metal surface, especially
It is related to a kind of high-temperature insulation coating for being used to protect runner plate.
Background technology
In the main body base material of manufacturing line road plate (PCB), it is necessary to be entered the different material of multilayer using electric press
Row pressing, the operation principle of this electric press are the tacky resin materials being processed by copper foil (or aluminium foil) conductive heater, and
Multilayer material is pressure bonded to not a half hour by applying certain pressure, so as to which board substrate be made, and is using electric press pressure
During conjunction, for cost consideration, single stitching operation generally requires to press multi-disc board substrate simultaneously, and in order that multi-disc
Board substrate is not affected, it is necessary to they be overlapped, and insert a kind of special metal between them each other in pressing
Plate, it has insulation, heat transfer, and support and the effect separated, this special metallic plate are called runner plate.
The runner plate difference maximum with common metal plate is exactly that its surface has a kind of special coating, property of the coating to runner plate
There can be strong influence, very high to the performance requirement of runner plate in process for pressing, electric press both produces height in operation
Warm amount (is more than 300 DEG C), there is very strong pressure (being more than 50MPa) again, and this just needs runner plate to possess outstanding high temperature resistant and resist
Performance is pressed, also, more weight, the surface of runner plate must can still keep very smooth after multiple hot pressing, table
Face is not recessed, and breathing does not occur, and can not also realize this requirement in the prior art at present, and the runner plate of prior art is general
After about using 150 times or so at normal temperatures, its surface begins to be recessed, and causes runner plate to fail, and is only capable of making at high temperature
Just failed with about 60 times.
The content of the invention
In view of the deficiencies of the prior art, it is used to protect the high temperature resistant of runner plate exhausted it is an object of the invention to provide a kind of
Edge coating, it can realize the long-term use for ensureing runner plate under the high temperature conditions, surface not breathing, not be recessed.
Technical scheme is summarized as follows：
A kind of runner plate high-temperature insulation coating, include the material of following parts by weight：
Preferably, described runner plate high-temperature insulation coating, wherein, include the thulium oxides of 2~4 parts by weight.
Preferably, described runner plate high-temperature insulation coating, wherein, include the titanium carbides of 2~4 parts by weight.
Preferably, described runner plate high-temperature insulation coating, wherein, in addition to the gadolinium oxide of 2~4 parts by weight and 2
The vanadium oxide of~4 parts by weight.
Preferably, described runner plate high-temperature insulation coating, wherein, include the cerium oxide of 2~4 parts by weight.
Preferably, described runner plate high-temperature insulation coating, wherein, include the zinc oxide of 2~4 parts by weight.
The beneficial effects of the invention are as follows：The coating that this case is related to is a variety of with association by introducing using zirconium oxide as core
The oxide of effect effect, effectively increases surface strength, resistance to compression and the wear resistance of coating at high temperature.By in the coating
Add titanium carbide, cerium oxide and zinc oxide, effectively improve expansion amplitude of the runner plate to temperature difference and pressure differential, so as to gram
The breathing for taking runner plate is used for baneful influence caused by effect and service life.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
This case proposes the runner plate high-temperature insulation coating of an embodiment, including following fine-powdered material：
This case material therefor preferably selects nano level powder or micron powder.
As another embodiment of this case, wherein, include the thulium oxides of 2~4 parts by weight.Thulium oxide can cooperate with raising coating
Mechanical strength and crush resistance energy when in high temperature environments, especially more than 400 DEG C, but should be noted that thulium oxide
Addition should be limited, if the addition of thulium oxide is less than 2 parts by weight, its synergistic effect can not be activated, can not effectively be carried
High coating mechanical strength at high temperature and crush resistance energy；If the addition of thulium oxide is more than 4 parts by weight, thulium oxide is being forged
The stress of coat inside can be increased during burning, so that coating is easy to crack when running into the larger temperature difference or is recessed, so as to serious shadow
The service life of coating is rung.
As the another embodiment of this case, wherein, include the titanium carbides of 2~4 parts by weight.Experiment finds that titanium carbide can subtract
Small runner plate is to the susceptibility and expansion amplitude of temperature difference and pressure differential, so as to reduce the breathing rate of runner plate, but likewise, carbon
The addition for changing titanium must also be limited, if the addition of titanium carbide is less than 2 parts by weight, can not activate its synergistic effect, can not
Effectively suppress the breathing rate of runner plate, so that runner plate using several times occurring as soon as coating surface corrugation or depression afterwards；If carbonization
The addition of titanium is more than 4 parts by weight, then in calcining rejection phenomenon easily occurs for titanium carbide, and it can cause a small amount of gallium oxide to dissociate
In coating surface, so as to have impact on the structural stability of coating.
As the another embodiment of this case, wherein, in addition to the gadolinium oxide of 2~4 parts by weight and the vanadium oxide of 2~4 parts by weight.
Experiment finds that, when gadolinium oxide and vanadium oxide add simultaneously, both can produce synergistic effect each other, and the common coating that improves is in high temperature
Under, the anti-hot press performance of break resistance and surface after particularly greater than 350 DEG C, if but only deposit its a period of time both, send out
Now the lifting to coating performance does not almost have.Also, the addition of gadolinium oxide and vanadium oxide must be strictly limited, if deviateing preferred
Number range, then both can be caused the lifting to coating performance to be unable to reach optimal value.
As the another embodiment of this case, wherein, include the cerium oxide of 2~4 parts by weight.Cerium is light rare earth, its proportion
Small, its oxides cerium can suppress burst rate of the coating in calcining, and moreover, cerium oxide may also suppress coat inside
Breathing amplitude so that coating surface is more stable more robust.But experimental data similarly shows, the addition of cerium oxide should be by
Limitation, inappropriate addition can form negative effect on the contrary.
As the another embodiment of this case, wherein, include the zinc oxide of 2~4 parts by weight.Had been surprisingly found that by experiment, oxygen
Change zinc also titanium carbide and cerium oxide can improve the breathing amplitude of runner plate alone or synergistically, it is hereby achieved that more preferably tying
Fruit.Similarly, significant trace mineral supplement is acted on as one kind, its addition should be limited, and inappropriate addition on the contrary can
The effect of zinc oxide is caused to be failed.
The preparation method of coating is：First, weighed in proportion by above-mentioned each material and mix each material with water, then brush
Surface of steel plate is applied to, thickness is brushed and is defined by energy all standing surface of steel plate, it is small that 2 are calcined in atmosphere of inert gases, at 800 DEG C
When, 1 hour is incubated at 200 DEG C, that is, runner plate is made.
Following table lists the concrete composition of different embodiments and its performance parameter of obtained runner plate：
Following table lists the concrete composition of different comparative example coatings and its performance parameter of obtained runner plate：
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details.
Claims (3)
1. a kind of runner plate high-temperature insulation coating, include the material of following parts by weight：
Also include the titanium carbide of 2~4 parts by weight；
Also include the cerium oxide of 2~4 parts by weight；
Also include the zinc oxide of 2~4 parts by weight.
2. runner plate high-temperature insulation coating according to claim 1, it is characterised in that also include the oxygen of 2~4 parts by weight
Change thulium.
3. runner plate high-temperature insulation coating according to claim 1, it is characterised in that also include the oxygen of 2~4 parts by weight
Change gadolinium and the vanadium oxide of 2~4 parts by weight.
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| CN201510267646.0A CN104893372B (en) | 2015-05-22 | 2015-05-22 | A kind of runner plate high-temperature insulation coating |
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| CN201510267646.0A CN104893372B (en) | 2015-05-22 | 2015-05-22 | A kind of runner plate high-temperature insulation coating |
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| CN104893372B true CN104893372B (en) | 2017-12-12 |
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| CN105349931A (en) * | 2015-12-10 | 2016-02-24 | 苏州市嘉明机械制造有限公司 | Manufacturing method for low-dilatation and low-shrinkage insulated mirror boards based on plasma spraying |
| CN105555026A (en) * | 2015-12-10 | 2016-05-04 | 苏州市嘉明机械制造有限公司 | Wear-resistant insulating mirror plate manufacturing technique based on technology of impregnation |
| CN106893371A (en) * | 2015-12-17 | 2017-06-27 | 辽宁法库陶瓷工程技术研究中心 | A kind of high-temperature insulation coating based on high temperature alloy matrix and preparation method thereof |
| CN113527925B (en) * | 2021-08-13 | 2022-11-25 | 台州格凌机械股份有限公司 | Wear-resistant gear and production process thereof |
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| US5118645A (en) * | 1988-01-27 | 1992-06-02 | The Dow Chemical Company | Self-reinforced silicon nitride ceramic of high fracture toughness and a method of preparing the same |
| CN101570397B (en) * | 2009-06-12 | 2011-06-08 | 东华大学 | Porcelain enamel with superior adherence and acid resistance simultaneously and preparation method thereof |
| CN101805129B (en) * | 2010-04-14 | 2012-01-04 | 东莞市龙基电子有限公司 | Insulating layer material for stainless steel plates and preparation method thereof |
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Effective date of registration: 20201223 Address after: 224000 group 5, shengliqiao village, CHANGDANG Town, Sheyang County, Yancheng City, Jiangsu Province Patentee after: YANCHENG JIATENG ELECTROMECHANICAL Co.,Ltd. Address before: 215000 Hengtang Youth Industrial Park, Suzhou High-tech Zone, Jiangsu Province Patentee before: SUZHOU JIAMING MACHINERY MANUFACTURING Co.,Ltd. |
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