CN109164036A - A kind of degree of aging of silastic material determines method and apparatus - Google Patents
A kind of degree of aging of silastic material determines method and apparatus Download PDFInfo
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- CN109164036A CN109164036A CN201811014347.6A CN201811014347A CN109164036A CN 109164036 A CN109164036 A CN 109164036A CN 201811014347 A CN201811014347 A CN 201811014347A CN 109164036 A CN109164036 A CN 109164036A
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- 230000032683 aging Effects 0.000 title claims abstract description 127
- 239000000463 material Substances 0.000 title claims abstract description 68
- 229920000260 silastic Polymers 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 38
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 104
- 238000010410 dusting Methods 0.000 claims abstract description 67
- 238000002360 preparation method Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000010453 quartz Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 206010027146 Melanoderma Diseases 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 12
- 239000002131 composite material Substances 0.000 abstract description 4
- 239000012212 insulator Substances 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/002—Test chambers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
- G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The degree of aging that the present invention provides a kind of silastic material determines method and apparatus, aging process first is carried out to the silicon rubber print that sample preparation obtains, then the silicon rubber print after aging process is tested, obtain the dusting thickness degree of silicon rubber print, the degree of aging of silastic material is finally determined based on the dusting thickness degree of silicon rubber print, specify this specific targets of dusting thickness degree, obtained degree of aging is accurate.The degree of aging of silastic material provided by the invention determines that method process is simple, the dusting thickness degree of the silicon rubber sample surface after aging is detected by scanning electron microscope microscope, it can simply determine that the degree of aging of silastic material determines, provide important foundation to the research of the operation conditions of such as composite insulator.
Description
Technical field
The present invention relates to electrical equipment technical fields, and in particular to a kind of degree of aging of silastic material determine method and
Device.
Background technique
Product made of silicon rubber is with light-weight, high mechanical strength, hydrophobicity and migration of hydrophobicity is strong, resistance to pollution flashover voltage
At home and abroad power industry has a wide range of applications the advantages such as high, manufacturing process simple, accident zero, easy maintenance.With making
With the increase of the time limit, the problems such as aging of silastic material, hydrophobicity decline, is increasingly becoming focus concerned by people.
Environmental factor is to lead to the principal element of silicon rubber aging, and temperature can cause silicon rubber molecular chain rupture and side chain
It falls off, humidity can have swelling action to silicon rubber, and ultraviolet light also has destruction to silastic material, in addition, each environmental factor
Synergistic effect do not allow yet it is indiscreet and negligent.Influence of the running environment to silicon rubber aging is studied, for investigating the operation of silastic material
Situation has very high reference value.
Silastic material degree of aging is generally used for determining its service life, however general by observing silicon in the prior art
The glossiness on rubber material surface realizes that silastic material degree of aging determines by mechanical test, and determination process is not deep enough
Enter, not clear specific targets, the degree of aging inaccuracy caused.
Summary of the invention
In order to overcome the shortcomings of above-mentioned degree of aging in the prior art inaccuracy, the present invention provides a kind of silastic material
Degree of aging determines method and apparatus, and the silicon rubber print first obtained to sample preparation carries out aging process, then to aging process after
Silicon rubber print tested, the dusting thickness degree of silicon rubber print is obtained, finally based on the dusting thickness of silicon rubber print
The degree of aging for determining silastic material is spent, specifies this specific targets of dusting thickness degree, obtained degree of aging is accurate.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme that:
On the one hand, the degree of aging that the present invention provides a kind of silastic material determines method, comprising:
Aging process is carried out to the silicon rubber print that sample preparation obtains；
Silicon rubber print after aging process is tested, the dusting thickness degree of silicon rubber print is obtained；
The degree of aging of silastic material is determined based on the dusting thickness degree of silicon rubber print.
The silicon rubber print obtained to sample preparation carries out aging process, comprising:
Silastic material is cut to the silicon rubber print that thickness is more than 1mm；
Ultraviolet lamp tube is placed on inside chamber, and the temperature and relative humidity of chamber are set；
After silicon rubber print is wiped with absolute alcohol, lain in a horizontal plane in chamber apart from 25 ± 5cm of fluorescent tube, silicon rubber
Print starts aging.
It is described that ultraviolet lamp tube is placed on inside chamber, comprising:
8 ultraviolet lamp tubes are placed on inside chamber, wherein 2 ultraviolet lamp tubes are medium wave erythemal effect ultraviolet radiator
Pipe, remaining 6 ultraviolet lamp tube are long wave blackspot effect quartz burner.
The temperature and relative humidity of the setting chamber, comprising:
The temperature that chamber is arranged is 50 ± 10 degrees Celsius, and relative humidity is 90 ± 10%.
The silicon rubber print to after aging process is tested, and the dusting thickness degree of silicon rubber print is obtained, comprising:
Silicon rubber print after aging process is subjected to liquid nitrogen frozen, the side along silicon rubber print is splitted, and to section
Carry out metal spraying；
It is tested by default scanning element of the scanning electron microscope to section, obtains scanning element dusting thickness degree；
The average value for taking all scanning element dusting thickness degree obtains the dusting thickness degree of silicon rubber print.
The amplification factor of the scanning electron microscope chooses 100-500 times.
The degree of aging that silastic material is determined based on the dusting thickness degree of silicon rubber print, comprising:
Using the ageing time of silicon rubber print as x-axis, and obtained with a thickness of y-axis using polynomial fitting method with its dusting layer
To the degree of aging of silastic material.
On the other hand, the present invention also provides a kind of degree of aging determining devices of silastic material, comprising:
Ageing module, the silicon rubber print for obtaining to sample preparation carry out aging process；
Test module obtains the dusting layer of silicon rubber print for testing the silicon rubber print after aging process
Thickness；
Determining module determines the degree of aging of silastic material for the dusting thickness degree based on silicon rubber print.
The ageing module includes:
Unit is cut, for silastic material to be cut to the silicon rubber print that thickness is more than 1mm；
For ultraviolet lamp tube to be placed on inside chamber, and the temperature and relative humidity of chamber is arranged in setting unit；
Aged cell lies in a horizontal plane in examination apart from 25 ± 5cm of fluorescent tube after wiping silicon rubber print with absolute alcohol
In tryoff, silicon rubber print starts aging.
The setting unit is specifically used for:
8 ultraviolet lamp tubes are placed on inside chamber, wherein 2 ultraviolet lamp tubes are medium wave erythemal effect ultraviolet radiator
Pipe, remaining 6 ultraviolet lamp tube are long wave blackspot effect quartz burner.
The setting unit is specifically used for:
It is 50 ± 10 degrees Celsius by the temperature setting of chamber, and sets 90 ± 10% for relative humidity.
The test module includes:
Metal spraying unit, for the silicon rubber print after aging process to be carried out liquid nitrogen frozen, along the side of silicon rubber print
It splits, and metal spraying is carried out to section；
Test cell obtains scanning element for testing by default scanning element of the scanning electron microscope to section
Dusting thickness degree；
Dusting thickness degree determination unit obtains silicon rubber print for taking the average value of all scanning element dusting thickness degree
Dusting thickness degree.
The amplification factor of the scanning electron microscope chooses 100-500 times.
The determining module is specifically used for:
Using the ageing time of silicon rubber print as x-axis, and obtained with a thickness of y-axis using polynomial fitting method with its dusting layer
To the degree of aging of silastic material.
Compared with the immediate prior art, technical solution provided by the invention is had the advantages that
The degree of aging of silastic material provided by the invention determines in method, the silicon rubber print that first sample preparation is obtained into
Then row aging process tests the silicon rubber print after aging process, obtain the dusting thickness degree of silicon rubber print, most
The degree of aging for determining silastic material based on the dusting thickness degree of silicon rubber print afterwards, specifying dusting thickness degree, this is specific
Index, obtained degree of aging are accurate；
The degree of aging determining device of silastic material provided by the invention includes ageing module, test module and determining mould
Block, ageing module, the silicon rubber print for obtaining to sample preparation carries out aging process, after test module is used for aging process
Silicon rubber print is tested, and the dusting thickness degree of silicon rubber print is obtained；Determining module is used for the powder based on silicon rubber print
Change the degree of aging that thickness degree determines silastic material, specifies this specific targets of dusting thickness degree, obtained degree of aging
Accurately；
The degree of aging of silastic material provided by the invention determines that method process is simple, passes through scanning electron microscope microscope inspection
The dusting thickness degree of silicon rubber sample surface after surveying aging, can simply determine the degree of aging of silastic material, to such as
The research of the operation conditions of composite insulator provides important foundation.
Detailed description of the invention
Fig. 1 is that the degree of aging of silastic material in the embodiment of the present invention 1 determines method flow diagram；
Fig. 2 is the dusting thickness degree of silastic material in the embodiment of the present invention 1 with ageing time situation of change schematic diagram.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
The condition and outdoor environment in laboratory are almost the same, only more harsh to reach the long-term target of short-term forecast,
Such as the dusting thickness degree of outdoor normal use accumulation in 10 years, as long as reaching in laboratory thousands of hours, laboratory ring
Border is intended merely to accelerate degree of aging, obtains dusting thickness degree as early as possible；Therefore it is tested in the lab, obtains dusting thickness
The relationship of degree and ageing time.Carrying out degree of aging test to silastic material is the practical aging for judging silastic material
Service life, therefore the accuracy of silastic material progress degree of aging test can guarantee that the practical aging life-span of silastic material is sentenced
Disconnected accuracy.
The embodiment of the present invention 1 provides a kind of the old of silastic material by taking the silastic material of used in composite insulator as an example
Change degree determines method, and specific flow chart is as shown in Figure 1, detailed process is as follows:
S101: aging process is carried out to the silicon rubber print that sample preparation obtains；
S102: testing the silicon rubber print after aging process, obtains the dusting thickness degree of silicon rubber print；
S103: the degree of aging of silastic material is determined based on the dusting thickness degree of silicon rubber print.
In above-mentioned S101, aging process is carried out to the silicon rubber print that sample preparation obtains, detailed process is as follows:
Silastic material is first cut to the silicon rubber print that thickness is more than 1mm, size can be 100*100*2 millimeters；
Ultraviolet lamp tube is placed on inside chamber, and the temperature and relative humidity of chamber are set；
After silicon rubber print is wiped with absolute alcohol, lain in a horizontal plane in chamber apart from 25 ± 5cm of fluorescent tube, silicon rubber
Print starts aging.
Ultraviolet lamp tube is placed on inside chamber, specifically 8 40 watts of ultraviolet lamp tube is placed on inside chamber,
Wherein 2 ultraviolet lamp tubes are medium wave erythemal effect quartz burner, remaining 6 ultraviolet lamp tube is long wave blackspot effect ultraviolet radiator
Pipe.
The temperature and relative humidity of chamber are set, and the specifically temperature setting of chamber is 50 ± 10 degrees Celsius, and will
Relative humidity is set as 90 ± 10%.
In above-mentioned S102, the silicon rubber print after aging process is tested, obtains the dusting thickness of silicon rubber print
Degree, detailed process is as follows:
Silicon rubber print after aging process is subjected to liquid nitrogen frozen, the side along silicon rubber print is splitted, and to section
Metal spraying is carried out, specifically sprays the proof gold that a layer thickness is about 10nm on the surface of silicon rubber print；
It is tested by default scanning element (scanning element can be set 6 to 8) of the scanning electron microscope to section,
Scanning element dusting thickness degree is obtained, specific test result such as table 1:
Table 1
It can be 2000 hours with the 5 silicon rubber prints of taking-up in every 500 hours, total time, with the accelerated aging test time
Extension, dusting layer thickness value gradually increases, 2000 hours ageing results of test result with material prescription composite insulator solid
It is close that border runs 13 annual datas.
The average value for taking all scanning element dusting thickness degree obtains the dusting thickness degree of silicon rubber print.
The amplification factor of above-mentioned scanning electron microscope chooses 100-500 times, the low use of the short dusting thickness degree of ageing time
Compared with high magnification numbe, it is on the contrary then use lower multiple.
In above-mentioned S103, the degree of aging of silastic material is determined based on the dusting thickness degree of silicon rubber print, specifically
Using the ageing time of silicon rubber print as x-axis, and silicon rubber is obtained using polynomial fitting method with a thickness of y-axis with its dusting layer
The degree of aging of material.Aging initial stage (before 500 hours) needs to accumulate due to vulcanizing insufficient, powder precipitation when production
The reasons such as tired process, the accumulation of dusting thickness degree are slowly, different from whole ageing process dusting thickness degree accumulation trend.500 hours
It rises later, dusting layer changing rule is that with ageing time, gradually thickness is gradually increased, but it is slower and slower to increase speed, and meets one
First quadratic polynomial basic law.Corresponding table after 1,500 hours dusting layer aging rule be y=-3E-05x2+0.1299x-
35.25 as shown in Figure 2.
Embodiment 2
Based on the same inventive concept, the embodiment of the present invention 2 also provides a kind of degree of aging determining device of silastic material,
Including ageing module, test module and determining module, the function of above-mentioned several modules is described in detail below:
Ageing module therein, the silicon rubber print for obtaining to sample preparation carry out aging process；
Test module therein obtains silicon rubber print for testing the silicon rubber print after aging process
Dusting thickness degree；
Determining module therein determines the aging journey of silastic material for the dusting thickness degree based on silicon rubber print
Degree.
Above-mentioned ageing module specifically includes:
Unit is cut, for silastic material to be cut to the silicon rubber print that thickness is more than 1mm；
For ultraviolet lamp tube to be placed on inside chamber, and the temperature and relative humidity of chamber is arranged in setting unit；
Aged cell lies in a horizontal plane in examination apart from 25 ± 5cm of fluorescent tube after wiping silicon rubber print with absolute alcohol
In tryoff, silicon rubber print starts aging.
Above-mentioned setting unit is specifically that 8 ultraviolet lamp tubes are placed on inside chamber, wherein 2 ultraviolet lamp tubes are medium wave
Erythemal effect quartz burner, remaining 6 ultraviolet lamp tube are long wave blackspot effect quartz burner.
The temperature setting of chamber is specifically 50 ± 10 degrees Celsius by above-mentioned setting unit, and sets 90 for relative humidity
± 10%.
Above-mentioned test module includes:
Metal spraying unit, for the silicon rubber print after aging process to be carried out liquid nitrogen frozen, along the side of silicon rubber print
It splits, and metal spraying is carried out to section；
Test cell obtains scanning element for testing by default scanning element of the scanning electron microscope to section
Dusting thickness degree；The amplification factor of scanning electron microscope chooses 100-500 times.
Dusting thickness degree determination unit is specifically used for taking the average value of all scanning element dusting thickness degree, obtains silicon rubber sample
The dusting thickness degree of piece.
Above-mentioned determining module is using the ageing time of silicon rubber print as x-axis, and with its dusting layer with a thickness of y-axis, using more
Item formula fitting process obtains the degree of aging of silastic material.
For convenience of description, each section of apparatus described above is divided into various modules with function or unit describes respectively.
Certainly, each module or the function of unit can be realized in same or multiple softwares or hardware when implementing the application.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute
The those of ordinary skill in category field can still modify to a specific embodiment of the invention referring to above-described embodiment or
Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement
Within bright claims.
Claims (14)
1. a kind of degree of aging of silastic material determines method characterized by comprising
Aging process is carried out to the silicon rubber print that sample preparation obtains；
Silicon rubber print after aging process is tested, the dusting thickness degree of silicon rubber print is obtained；
The degree of aging of silastic material is determined based on the dusting thickness degree of silicon rubber print.
2. the degree of aging of silastic material according to claim 1 determines method, which is characterized in that described to be obtained to sample preparation
The silicon rubber print arrived carries out aging process, comprising:
Silastic material is cut to the silicon rubber print that thickness is more than 1mm；
Ultraviolet lamp tube is placed on inside chamber, and the temperature and relative humidity of chamber are set；
It after silicon rubber print is wiped with absolute alcohol, is lain in a horizontal plane in chamber apart from 25 ± 5cm of fluorescent tube, silicon rubber print
Start aging.
3. the degree of aging of silastic material according to claim 2 determines method, which is characterized in that described by ultraviolet lamp
Pipe is placed on inside chamber, comprising:
8 ultraviolet lamp tubes are placed on inside chamber, wherein 2 ultraviolet lamp tubes are medium wave erythemal effect quartz burner,
6 ultraviolet lamp tubes of remaininging are long wave blackspot effect quartz burner.
4. the degree of aging of silastic material according to claim 2 determines method, which is characterized in that the setting test
The temperature and relative humidity of case, comprising:
The temperature that chamber is arranged is 50 ± 10 degrees Celsius, and relative humidity is 90 ± 10%.
5. the degree of aging of silastic material according to claim 1 determines method, which is characterized in that it is described to aging at
Silicon rubber print after reason is tested, and the dusting thickness degree of silicon rubber print is obtained, comprising:
Silicon rubber print after aging process is subjected to liquid nitrogen frozen, the side along silicon rubber print is splitted, and is carried out to section
Metal spraying；
It is tested by default scanning element of the scanning electron microscope to section, obtains scanning element dusting thickness degree；
The average value for taking all scanning element dusting thickness degree obtains the dusting thickness degree of silicon rubber print.
6. the degree of aging of silastic material according to claim 5 determines method, which is characterized in that the scanning electron
Microscopical amplification factor chooses 100-500 times.
7. the degree of aging of silastic material according to claim 1 determines method, which is characterized in that described to be based on silicon rubber
The dusting thickness degree of glue print determines the degree of aging of silastic material, comprising:
Using the ageing time of silicon rubber print as x-axis, and silicon is obtained using polynomial fitting method with a thickness of y-axis with its dusting layer
The degree of aging of rubber material.
8. a kind of degree of aging determining device of silastic material characterized by comprising
Ageing module, the silicon rubber print for obtaining to sample preparation carry out aging process；
Test module obtains the dusting thickness degree of silicon rubber print for testing the silicon rubber print after aging process；
Determining module determines the degree of aging of silastic material for the dusting thickness degree based on silicon rubber print.
9. the degree of aging determining device of silastic material according to claim 8, which is characterized in that the ageing module
Include:
Unit is cut, for silastic material to be cut to the silicon rubber print that thickness is more than 1mm；
For ultraviolet lamp tube to be placed on inside chamber, and the temperature and relative humidity of chamber is arranged in setting unit；
Aged cell lies in a horizontal plane in chamber apart from 25 ± 5cm of fluorescent tube after wiping silicon rubber print with absolute alcohol
Interior, silicon rubber print starts aging.
10. the degree of aging determining device of silastic material according to claim 9, which is characterized in that the setting is single
Member is specifically used for:
8 ultraviolet lamp tubes are placed on inside chamber, wherein 2 ultraviolet lamp tubes are medium wave erythemal effect quartz burner,
6 ultraviolet lamp tubes of remaininging are long wave blackspot effect quartz burner.
11. the degree of aging determining device of silastic material according to claim 9, which is characterized in that the setting is single
Member is specifically used for:
It is 50 ± 10 degrees Celsius by the temperature setting of chamber, and sets 90 ± 10% for relative humidity.
12. the degree of aging determining device of silastic material according to claim 8, which is characterized in that the test mould
Block includes:
Metal spraying unit, for the silicon rubber print after aging process to be carried out liquid nitrogen frozen, the side along silicon rubber print is splitted,
And metal spraying is carried out to section；
Test cell obtains scanning element dusting for testing by default scanning element of the scanning electron microscope to section
Thickness degree；
Dusting thickness degree determination unit obtains the powder of silicon rubber print for taking the average value of all scanning element dusting thickness degree
Change thickness degree.
13. the degree of aging determining device of silastic material according to claim 12, which is characterized in that the scanning electricity
The microscopical amplification factor of son chooses 100-500 times.
14. the degree of aging determining device of silastic material according to claim 8, which is characterized in that the determining mould
Block is specifically used for:
Using the ageing time of silicon rubber print as x-axis, and silicon is obtained using polynomial fitting method with a thickness of y-axis with its dusting layer
The degree of aging of rubber material.
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| CN111965201A (en) * | 2020-07-24 | 2020-11-20 | 中策橡胶集团有限公司 | Tire sidewall appearance evaluation method |
| CN113238127A (en) * | 2021-05-06 | 2021-08-10 | 国网山东省电力公司电力科学研究院 | Composite insulator core rod aging characterization method based on three-dimensional multi-scale |
| CN114034632A (en) * | 2021-11-18 | 2022-02-11 | 广东电网有限责任公司广州供电局 | Method for measuring aging degree of silicon rubber material |
| CN117589976B (en) * | 2024-01-18 | 2024-04-05 | 华北电力科学研究院有限责任公司 | Method and device for measuring moisture of silicone rubber of cable terminal |
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| CN114034632B (en) * | 2021-11-18 | 2024-02-27 | 广东电网有限责任公司广州供电局 | Method for measuring ageing degree of silicone rubber material |
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