CN104878384B - A kind of high life high temperature resistant runner plate - Google Patents
A kind of high life high temperature resistant runner plate Download PDFInfo
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- CN104878384B CN104878384B CN201510267702.0A CN201510267702A CN104878384B CN 104878384 B CN104878384 B CN 104878384B CN 201510267702 A CN201510267702 A CN 201510267702A CN 104878384 B CN104878384 B CN 104878384B
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Abstract
This case discloses a kind of high life high temperature resistant runner plate, and it is provided with coating using stainless steel plate as base material in the stainless steel surface, and coating includes the material of following parts by weight：The zirconium oxide of 20~22 parts by weight, the hafnium oxide of 20~22 parts by weight, the boron oxide of 20~22 parts by weight, the iron oxide of 6~8 parts by weight, the silver oxide of 6~8 parts by weight, the bismuth oxide of the palladium oxide of 2~4 parts by weight and 2~4 parts by weight.This case is using stainless steel plate as base material, the coating of its outer surface is using zirconium oxide, hafnium oxide and boron oxide as core, by introducing a variety of oxides with synergistic effect, surface strength, surface smoothness, resistance to hot pressing and resistance to elevated temperatures of the coating under High Voltage are effectively increased；By adding boron nitride, cerium oxide and zinc oxide in the coating, expansion amplitude of the coating itself to temperature difference and pressure differential is effectively improved, the baneful influence brought so as to the breathing that effectively overcomes coating to runner plate using effect and service life.
Description
Technical field
The present invention relates to a kind of insulation board, and in particular to a kind of Surface coating has the high life high temperature resistant mirror of modified coating
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 is the tacky resin material being processed by copper foil (or aluminium foil) conductive heater, and
Not a half hour is pressure bonded to by applying certain pressure by multilayer material, so that board substrate is made, and electric press pressure is being used
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, support and the effect separated, and this special metallic plate is called runner plate.
The runner plate difference maximum with common insulation board 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), has very strong pressure (being more than 50MPa) again, this is accomplished by runner plate and possesses outstanding resistance to hot press performance,
I.e. runner plate is needed with very high limit tolerable temperature and the limit tolerance pressure, also, more weight, the surface palpus of runner plate
Very flat smooth can be still being kept after multiple hot pressing, surface is not recessed, not occur breathing, and at present existing
This requirement can not be also realized in technology, the runner plate of prior art typically can be about used after 150 times or so at normal temperatures, its surface
Begin to be recessed, cause runner plate to fail, and be also only capable of just having failed using about 60 times at high temperature.
The content of the invention
In view of the deficiencies of the prior art, it is an object of the invention to provide a kind of high life high temperature resistant runner plate, its energy
Enough realize and ensure to be used for a long time under the conditions of HTHP is strong, not breathing, surfacing are not recessed.
Technical scheme is summarized as follows：
A kind of high life high temperature resistant runner plate, it is provided with coating using stainless steel plate as base material in the stainless steel surface,
The coating includes the material of following parts by weight：
Preferably, described high life high temperature resistant runner plate, wherein, the coating also includes the oxidation of 2~4 parts by weight
Neodymium.
Preferably, described high life high temperature resistant runner plate, wherein, the coating also includes the nitridation of 2~4 parts by weight
Boron.
Preferably, described high life high temperature resistant runner plate, wherein, the coating also includes the manganese oxide of 2~4 parts by weight
With the chromium oxide of 2~4 parts by weight.
Preferably, described high life high temperature resistant runner plate, wherein, the coating also includes the oxidation of 2~4 parts by weight
Cerium.
Preferably, described high life high temperature resistant runner plate, wherein, the coating also includes the oxidation of 2~4 parts by weight
Zinc.
Preferably, described high life high temperature resistant runner plate, wherein, the thermal linear expansion coefficient of the stainless steel plate is 12
~16ppm/ DEG C.
Preferably, described high life high temperature resistant runner plate, wherein, the thickness of the stainless steel plate is 0.2~3mm.
The beneficial effects of the invention are as follows：The runner plate that this case is related to is using stainless steel plate as base material, and the coating of its outer surface is with oxygen
It is core to change zirconium, hafnium oxide and boron oxide, by introducing a variety of oxides with synergistic effect, effectively increases coating and exists
Surface strength, surface smoothness, resistance to hot pressing and resistance to elevated temperatures under High Voltage；By adding boron nitride, oxidation in the coating
Cerium and zinc oxide, effectively improve expansion amplitude of the coating itself to temperature difference and pressure differential, so as to effectively overcome coating
The baneful influence that is brought to runner plate using effect and service life of breathing.
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 high life high temperature resistant runner plate of an embodiment, and it is using stainless steel plate as base material, in the stainless steel plate table
Face is provided with coating, and the coating includes the fine-powdered material of following parts by weight：
This case material therefor preferably selects nano level powder or micron powder.
As another embodiment of this case, wherein, coating also includes the neodymia of 2~4 parts by weight.Neodymia can cooperate with raising
Case hardness, smoothness and the resistance to vertical impact property of coating at high temperature, but should be noted that the addition of neodymia should
Limited, if the addition of neodymia is less than 2 parts by weight, its synergistic effect can not be activated, it is impossible to effectively improve coating in height
Case hardness, smoothness and resistance to vertical impact property under temperature；If the addition of neodymia is more than 4 parts by weight, neodymia exists
The surface tension of coating can be increased during calcining again, so that coating becomes fragile, weatherability is deteriorated, and is easily opened when running into the larger temperature difference
Split or be recessed, so as to have a strong impact on the service life of coating.
As the another embodiment of this case, wherein, coating also includes the boron nitride of 2~4 parts by weight.Experiment discovery, boron nitride
Susceptibility and expansion amplitude of the runner plate coating to temperature difference and pressure differential can be reduced, so as to reduce the breathing rate of runner plate, but
Likewise, the addition of boron nitride must also be limited, if the addition of boron nitride is less than 2 parts by weight, its synergistic can not be activated
Effect, it is impossible to effectively suppress runner plate breathing rate so that runner plate using occur as soon as afterwards several times coating surface corrugation or it is recessed
Fall into；If the addition of boron nitride is more than 4 parts by weight, in calcining easily rejection phenomenon occurs for boron nitride, and it can cause neodymia
The bottom of coating is deposited on silver oxide, causes each component of coat inside to mix uneven, so as to have impact on the original knot of coating
Structure stability.
As the another embodiment of this case, wherein, the oxygen of manganese oxide and 2~4 parts by weight of the coating also including 2~4 parts by weight
Change chromium.Experiment finds, when manganese oxide and chromium oxide simultaneously in the presence of, both can produce synergistic effect each other, and coating is improved jointly
At high temperature, the resistance to vertical impact property and surface dent resistance energy after particularly greater than 450 DEG C, if but when both only deposits it
For the moment, then find that the lifting to coating performance does not almost have.Also, the addition of manganese oxide and chromium oxide must be strictly limited,
If deviateing preferred number range, both can be caused the lifting to coating performance to be unable to reach optimal value.
As the another embodiment of this case, wherein, coating also includes the cerium oxide of 2~4 parts by weight.Cerium belongs to light rare earth, than
Weight is small, and its oxide can suppress the resistance to elevated temperatures of burst rate and raising coating of the coating in calcining, moreover, oxidation
Cerium may also suppress the sensitive amplitude of breathing of the coat inside to the temperature difference, pressure difference, so that coating surface is more stable more robust.But experiment
Data similarly show that the addition of cerium oxide should be limited, and inappropriate addition can form negative effect on the contrary.
As the another embodiment of this case, wherein, coating also includes the zinc oxide of 2~4 parts by weight.By testing unexpected hair
Existing, zinc oxide also boron nitride and cerium oxide can improve the breathing amplitude of runner plate alone or synergistically, it is hereby achieved that even more ideal
Result.Similarly, significant trace mineral supplement is acted on as one kind, its addition should be limited, and inappropriate addition is anti-
And the effect of zinc oxide can be caused to fail.
As the another embodiment of this case, wherein, the thermal linear expansion coefficient of stainless steel plate is 12~16ppm/ DEG C.Because of runner plate
Mainly for the manufacture of pcb board, and an important main material in pcb board is exactly copper coin, and the thermal linear expansion coefficient of copper is
16.7ppm/ DEG C, therefore in order to prevent copper coin from extruding corrugation occurring in hot pressing or is broken, the linear heat of runner plate in theory is swollen
Swollen coefficient should try one's best close to the thermal linear expansion coefficient of copper, but be found through experiments that, true really not so, in hot pressing, high temperature
It is to realize heating function by being powered, in the case where high temperature is powered, deviation occurs for the thermal linear expansion coefficient of different metals,
Different metal materials, the degree that it deviates is also different, therefore for the technical scheme of this case, selects linear thermal expansion system
Number is not optimal selection for 16.1~17ppm/ DEG C of stainless steel plate, the thermal linear expansion coefficient of stainless steel plate is preferably 12~
16ppm/ DEG C, more preferably 13~15ppm/ DEG C, most preferably 14ppm/ DEG C.Because the material composition of stainless steel is very multiple
Miscellaneous, in the market has different models, and different specific compositions has different thermal linear expansion coefficients, and this case is without to stainless steel
The specific composition of plate makes restriction, only need to limit its thermal linear expansion coefficient.If the thermal linear expansion coefficient of stainless steel plate
Less than 12ppm/ DEG C, then it can cause the surface wrinkling of pcb board being in contact with runner plate；If the thermal linear expansion coefficient of stainless steel plate
More than 16ppm/ DEG C, then in hot pressing, crackle occurs in the surface for the pcb board being in contact with runner plate.
As the another embodiment of this case, wherein, the thickness of stainless steel plate is 0.2~3mm.The thickness of stainless steel plate is mainly determined
Determine the overall firmness of runner plate, if the thickness of stainless steel plate is less than 0.2mm, cause runner plate crushing resistance itself too low,
During hot pressing, easily it is broken；If the thickness of stainless steel plate is more than 3mm, cause the surface tension of coating excessive, in hot pressing
When, coating is also easy to produce crackle, while blocked up thickness also causes when producing PCB main board using congruent manner, single overlapping
Quantity is reduced, and thereby increases production cost.
The preparation method of runner plate is：First, weighed in proportion by above-mentioned each material and each material powder is mixed with water, with
Brush afterwards in the surface of stainless steel plate, brush thickness and be defined by energy all standing surface of steel plate, generally 10~20 μm, in indifferent gas
Calcined 2 hours in body atmosphere, at 800 DEG C, 1 hour is incubated at 200 DEG C, that is, runner plate is made.
Table one lists the not concrete composition of be the same as Example and its performance parameter of obtained runner plate：
Table one
Table two lists the concrete composition of different comparative example coatings and its performance parameter of obtained runner plate：
Table two
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, the present invention is not limited
In specific details.
Claims (8)
1. a kind of high life high temperature resistant runner plate, it is provided with coating using stainless steel plate as base material in the stainless steel surface, institute
Stating coating includes the material of following parts by weight：
2. high life high temperature resistant runner plate according to claim 1, it is characterised in that the coating also includes 2~4 parts by weight
Neodymia.
3. high life high temperature resistant runner plate according to claim 1, it is characterised in that the coating also includes 2~4 parts by weight
Boron nitride.
4. high life high temperature resistant runner plate according to claim 1, it is characterised in that the coating also includes 2~4 parts by weight
Manganese oxide and 2~4 parts by weight chromium oxide.
5. high life high temperature resistant runner plate according to claim 1, it is characterised in that the coating also includes 2~4 parts by weight
Cerium oxide.
6. high life high temperature resistant runner plate according to claim 1, it is characterised in that the coating also includes 2~4 parts by weight
Zinc oxide.
7. high life high temperature resistant runner plate according to claim 1, it is characterised in that the linear thermal expansion of the stainless steel plate
Coefficient is 12~16ppm/ DEG C.
8. high life high temperature resistant runner plate according to claim 1, it is characterised in that the thickness of the stainless steel plate is 0.2
~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510267702.0A CN104878384B (en) | 2015-05-22 | 2015-05-22 | A kind of high life high temperature resistant runner plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267702.0A CN104878384B (en) | 2015-05-22 | 2015-05-22 | A kind of high life high temperature resistant runner plate |
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| CN104878384A CN104878384A (en) | 2015-09-02 |
| CN104878384B true CN104878384B (en) | 2017-08-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483593A (en) * | 2015-12-10 | 2016-04-13 | 苏州市嘉明机械制造有限公司 | Technology for producing hot-pressing-resisting insulation mirror plate based on impregnation technology |
| CN105543763A (en) * | 2015-12-10 | 2016-05-04 | 苏州市嘉明机械制造有限公司 | Plasma-spraying-based manufacturing method for high-strength insulation mirror plate |
| CN107216043A (en) * | 2017-06-26 | 2017-09-29 | 陈霞 | A kind of preparation method of high-strength armoured-glass |
| CN117088686B (en) * | 2023-10-19 | 2024-01-02 | 沈阳恒泰鑫源精铸耐材有限公司 | Modified zirconia coating and preparation method thereof |
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