CN202649161U - Testing device for resistance to enamel scale detonation property of cold-rolled steel plate - Google Patents
Testing device for resistance to enamel scale detonation property of cold-rolled steel plate Download PDFInfo
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- CN202649161U CN202649161U CN 201220296655 CN201220296655U CN202649161U CN 202649161 U CN202649161 U CN 202649161U CN 201220296655 CN201220296655 CN 201220296655 CN 201220296655 U CN201220296655 U CN 201220296655U CN 202649161 U CN202649161 U CN 202649161U
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Abstract
The utility model discloses a testing device for resistance to an enamel scale detonation property of a cold-rolled steel plate. The testing device comprises a constant current meter, a potentiometer, a computer, a hydrogen-charged electrolytic cell and a hydrogen-diffused electrolytic cell, the hydrogen-charged electrolytic cell and the hydrogen-diffused electrolytic cell are located on two sides of a sample, a positive pole and a negative pole of the constant current meter are respectively connected with the anode of the hydrogen-charged electrolytic cell, a positive pole and a negative pole of the potentiometer are respectively connected with a reference electrode in the hydrogen-diffused electrolytic cell and the sample, and the computer is connected with the output end of the potentiometer through a lead. The testing device can shorten test cycle and is simple in structure and convenient to operate.
Description
Technical field
The utility model relates to the field of detecting the cold-rolled steel sheet performance, refers to particularly the anti-enamel fish scaling performance test of a kind of cold-rolled steel sheet device.
Background technology
Cold-rolled steel sheet the quick-fried defective of squama can occur when carrying out the enamel making, it is the modal defective that affects the enamel product quality.The main cause that produces the quick-fried defective of squama is to assemble between cold-rolled steel sheet and the enamel layer to have hydrogen, Hydrogen Vapor Pressure to break through enamel layer and to produce squama quick-fried.For the quick-fried cold-reduced sheet of the anti-squama of selecting properly, reduce the quick-fried loss of squama of enamel product, need to test the anti-enamel fish scaling performance of cold-rolled steel sheet.For enamelled pressed steel, when hydrogen spreads slowlyer in enamelled pressed steel, namely time of break-through is longer, and the anti-enamel fish scaling performance of steel plate is just better, usually people adopt the hydrogen time of penetration to weigh the diffusion speed of hydrogen in metal, thereby estimate the enamel fish scaling performance of cold-rolled steel sheet.
The method of the anti-enamel fish scaling performance of test cold-rolled steel sheet of generally acknowledging at present mainly contains hydrogen osmosis and application of slip method.Application of slip method is namely carried out the application of slip with the various known ground-coat enamels that have fishscale to be inclined to, and 200～300 ℃ were heated model several days in baking oven, and the quantity according to each employed ground-coat enamel generation fishscale determines whether this kind steel plate is applicable to enamel.The hydrogen osmosis is the application of slip of steel plate single face, with the charging of hydrogen negative electrode, produces the susceptibility that the required time of first fishscale has just represented this steel plate fishscale under standard sulfuric acid solution, standard temperature and given current density; Time, fishscale easily occured in short explanation, and the time, long then explanation was difficult for occuring fishscale; Also can take all enamel coatings not of steel plate both sides, when observing when overflowing first gas foam, be denoted as t
0Be that plugged is to the time between first bubble, as passing judgment on the foundation of steel plate to the quick-fried sensitivity of squama.
Than application of slip method, the hydrogen osmosis has characteristics simple to operate, thereby is used widely.The hydrogen osmosis is different according to the signal that detects, and can be divided into gas collection method and current method again.Current method is compared with the gas collection method, and equipment is simple, and measuring process is stable, favorable reproducibility and safety and environmental protection.
Be that 201110103016.1 Chinese patent discloses a kind of current method and detects the anti-enamel fish scaling performance of cold-rolled steel sheet such as application number, it selects circular specimen single-sided polishing and nickel plating, and adopt to fill in the hydrogen electrolytic cell sample is filled hydrogen, adopt simultaneously expansion hydrogen electrolytic cell that the hydrogen of coming through the sample infiltration is carried out anode electrolysis and adds constant potential to sample.Wherein, filling hydrogen solution is sulfuric acid and sulphur urine, and the expansion hydrogen solution is sodium hydroxide solution.
During on-test, at first add constant potential 0.3V for the sample end that expands in the hydrogen electrolytic cell by potentiostat, in order to hydrogen original in the sample is removed, the sample end electric current in expanding the hydrogen electrolytic cell is down to below the 1.5 μ A, in filling the hydrogen electrolytic cell, pour cathode solution into, begin to fill the hydrogen test.Simultaneously, measure the curent change of sample by potentiostat, and adopt the computer monitoring electric current over time, the time when electric current tends towards stability is the hydrogen time of penetration.
Yet, the first, owing to must remove first the hydrogen that steel plate absorbs in pickling and enamel firing process before filling the hydrogen step, and that this process expends is chronic, thereby causes the test period longer, efficient is not high.The second, owing to will electrolysis spread the hydrogen of coming from expanding the hydrogen electrolytic cell in expanding the hydrogen electrolytic cell, its equipment is potentiostat, thereby so that existing proving installation price is higher, operation is comparatively complicated.
Summary of the invention
The purpose of this utility model will provide the anti-enamel fish scaling performance test of a kind of cold-rolled steel sheet device exactly, and it can not only shorten the test period, and simple in structure, easy to operate.
For achieving the above object, the designed anti-enamel fish scaling performance test of the cold-rolled steel sheet device of the utility model comprises galvanostat, potential difference meter, computing machine and is positioned at filling the hydrogen electrolytic cell and expanding the hydrogen electrolytic cell of sample both sides, the positive pole of galvanostat be connected with negative pole with fill the hydrogen electrolytic cell in anode be connected with sample, the positive pole of potential difference meter be connected with negative pole with expand the hydrogen electrolytic cell in contrast electrode be connected with sample, computing machine is connected with the output terminal of potential difference meter by wire.
Preferably, a side of filling the hydrogen electrolytic cell has protruded out sample bench, and sample is placed on the sample bench.Sample bench can be sample mounting platform is provided, and makes things convenient for the installation of sample.
Preferably, proving installation of the present utility model comprises that also the surface is provided with the platen of chute, leading screw holding device and rotary handle, fill the hydrogen electrolytic cell and the leading screw holding device all is fixed on the platen, expanding the hydrogen electrolytic cell is filling between hydrogen electrolytic cell and the leading screw holding device, rotary handle is arranged on an end of screw mandrel in the leading screw holding device, the other end of screw mandrel is fixedly connected with expanding the hydrogen electrolytic cell in the leading screw holding device, slides along the chute on the platen thereby promote to expand the hydrogen electrolytic cell.
Preferably, proving installation of the present utility model also comprises slider block, slide bar, expansion hydrogen liquid basin and fills hydrogen liquid basin, slide bar is fixed on the slider block, expand hydrogen liquid basin and be connected hydrogen liquid basin and connect by adapter sleeve, adapter sleeve is sheathed on the slide bar and along slide bar and slides up and down, adapter sleeve is provided with the lock-screw that matches with slide bar, expands hydrogen liquid basin and fill hydrogen liquid basin to be communicated with expanding the hydrogen electrolytic cell and fill the hydrogen electrolytic cell respectively by two connecting pipes.
Preferably, proving installation of the present utility model also comprises electrical contact and spring, one end of electrical contact is connected to by spring in the sidewall notches of filling the hydrogen electrolytic cell, the other end of electrical contact and sample butt, and the negative pole of galvanostat and potential difference meter all links to each other with electrical contact.
Preferably, fill the hydrogen electrolytic cell and expand the hydrogen electrolytic cell and sample between be respectively equipped with O-ring seal.
Preferably, the anode that fills in the hydrogen electrolytic cell is platinized platinum, platinum filament or graphite, and the contrast electrode that expands in the hydrogen electrolytic cell is mercurous chloride electrode or hydrogen electrode.
The utility model has the advantage of: first, because the hydrogen in the sample affects little on the current potential that records sample and potential difference meter is insensitive on this impact, thereby when adopting designed proving installation to carry out the anti-enamel fish scaling performance of cold-rolled steel sheet, need not sample is carried out pre-service, thereby shortened the test period, improved work efficiency.The second, the anti-enamel fish scaling performance test of designed cold-rolled steel sheet device is to adopt potential difference meter that the current potential of sample is measured, and only needs a contrast electrode, has not only simplified structure and the operation of device, the more important thing is the production cost that can reduce device.
Description of drawings
Fig. 1 is the structural representation of the anti-enamel fish scaling performance test of cold-rolled steel sheet of the present utility model device.
Fig. 2 is the structure for amplifying synoptic diagram of A part among Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Shown in Fig. 1-2, the anti-enamel fish scaling performance test of the cold-rolled steel sheet of present embodiment device comprises platen 10, fills hydrogen electrolytic cell 11, expands hydrogen electrolytic cell 12, leading screw holding device 13, rotary handle 14, galvanostat 15, potential difference meter 16, computing machine 17, slider block 18, slide bar 19, expands hydrogen liquid basin 20, fills hydrogen liquid basin 21, electrical contact 22 and spring 23.
Leading screw holding device 13 and fill hydrogen electrolytic cell 11 and be fixed on successively on the platen 10 expands hydrogen electrolytic cell 12 and is filling between hydrogen electrolytic cell 11 and the leading screw holding device 13.Rotary handle 14 is arranged on an end of screw mandrel in the leading screw holding device 13, and the other end of screw mandrel is fixedly connected with expanding hydrogen electrolytic cell 12 in the leading screw holding device 13, slides along the chute on the platen 10 thereby promote to expand hydrogen electrolytic cell 12.
The anode 111 that fills in the hydrogen electrolytic cell 11 is platinum electrode, and a side of filling hydrogen electrolytic cell 11 has protruded out sample bench 112, and sample 30 is placed on the sample bench 112.One end of electrical contact 22 is connected to by spring 23 in the sidewall notches of filling hydrogen electrolytic cell 11, the other end of electrical contact 22 and sample 30 butts.Fill hydrogen electrolytic cell 11 and expand between hydrogen electrolytic cell 12 and the sample 30 and be respectively equipped with the first O-ring seal 113 and the second O-ring seal 122.The negative pole of galvanostat 15 and positive pole are electrically connected with electrical contact 22 and anode 111 respectively.The positive pole of potential difference meter 16 and negative pole respectively with expand hydrogen electrolytic cell 12 in contrast electrode 121 and electrical contact 22 be electrically connected, computing machine 17 is connected by the output terminal of wire with potential difference meter 16.Alternatively, the anode 111 that fills in the hydrogen electrolytic cell 11 is platinized platinum, platinum filament or graphite, and the contrast electrode 121 that expands in the hydrogen electrolytic cell 12 is mercurous chloride electrode or hydrogen electrode.
Particularly, slide bar 19 is vertically fixed on the slider block 18, expand hydrogen liquid basin 20 and be connected hydrogen liquid basin 21 by adapter sleeve 24 connections, adapter sleeve 24 is sheathed on the slide bar 19 and along slide bar 19 and slides up and down, and lock-screw 25 passes adapter sleeve 24 adapter sleeve 24 is locked on the slide bar 19.Expand hydrogen liquid basin 20 and fill hydrogen liquid basin 21 and be communicated with expanding hydrogen electrolytic cell 12 and fill hydrogen electrolytic cell 11 respectively by the first connecting pipe 201 and the second connecting pipe 221.Expand hydrogen liquid basin 20 and fill in the hydrogen liquid basin 21 and store respectively sodium hydroxide solution and sulfuric acid solution.
During work, sample 30 is placed on the sample bench 112, shake rotary handle 14 and make the 12 vertically motions of expansion hydrogen electrolytic cell, sample 30 tightly is clipped in fills hydrogen electrolytic cell 11 and expand between the hydrogen electrolytic cell 12, and finish from the relative two sides of sample 30 by the first O-ring seal 113 and the second O-ring seal 122 and to fill hydrogen electrolytic cell 11 and to expand sealing between hydrogen electrolytic cell 12 and the sample 30.Then, unclamp lock-screw 25, make to fill hydrogen liquid basin 20 and expand hydrogen liquid basin 21 and move upward along slide bar 19, fill hydrogen liquid basin 20 and expand testing liquid in the hydrogen liquid basin 21 and be injected into by the first connecting pipe 201 and the second connecting pipe 221 respectively and fill hydrogen electrolytic cell 11 and expand in the hydrogen electrolytic cell 12, when the solution injection rate IR reaches testing requirements, tighten lock-screw 25, can guarantee that solution height is constant in the electrolytic cell.Then, the cathode current that provides by galvanostat 15, realization is filled hydrogen to sample 30, can obtain to fill simultaneously the potential value of sample 30 in the hydrogen process by contrast electrode 121 and potential difference meter 16, utilize computing machine 17 to realize the automatic collection of data, thereby obtain to fill the potential-time curve of sample 30 in the hydrogen process, can obtain cold-rolled steel sheet enamel fish scaling susceptibility by potential-time curve.
Claims (7)
1. the anti-enamel fish scaling performance test of cold-rolled steel sheet device, comprise galvanostat (15) and be positioned at filling hydrogen electrolytic cell (11) and expanding hydrogen electrolytic cell (12) of sample (30) both sides, the positive pole of galvanostat (15) be connected with negative pole with fill hydrogen electrolytic cell (11) in anode (111) be connected 30 with sample) be connected, it is characterized in that: also comprise potential difference meter (16) and computing machine (17), the positive pole of potential difference meter (16) be connected with negative pole with expand hydrogen electrolytic cell (12) in contrast electrode (121) be connected 30 with sample) be connected, computing machine (17) is connected by the output terminal of wire with potential difference meter (16).
2. the anti-enamel fish scaling performance test of cold-rolled steel sheet according to claim 1 device, it is characterized in that: a side of filling hydrogen electrolytic cell (11) has protruded out sample bench (112), and sample (30) is placed on the sample bench (112).
3. the anti-enamel fish scaling performance test of cold-rolled steel sheet according to claim 1 and 2 device, it is characterized in that: comprise that also the surface is provided with the platen of chute (10), leading screw holding device (13) and rotary handle (14), filling hydrogen electrolytic cell (11) and leading screw holding device (13) all is fixed on the platen (10), expansion hydrogen electrolytic cell (12) is positioned at and fills between hydrogen electrolytic cell (11) and the leading screw holding device (13), rotary handle (14) is arranged on an end of screw mandrel in the leading screw holding device (13), the other end of screw mandrel is fixedly connected with expanding hydrogen electrolytic cell (12) in the leading screw holding device (13), slides along the chute on the platen (10) thereby promote to expand hydrogen electrolytic cell (12).
4. the anti-enamel fish scaling performance test of cold-rolled steel sheet according to claim 3 device, it is characterized in that: also comprise slider block (18), slide bar (19), expand hydrogen liquid basin (20) and fill hydrogen liquid basin (21), slide bar (19) is fixed on the slider block (18), expand hydrogen liquid basin (20) and be connected hydrogen liquid basin (21) by adapter sleeve (24) connection, adapter sleeve (24) is sheathed on slide bar (19) and upward and along slide bar (19) slides up and down, adapter sleeve (24) is provided with the lock-screw (25) that matches with slide bar (19), expands hydrogen liquid basin (20) and fills hydrogen liquid basin (21) by two connecting pipes (201,221) be communicated with expanding hydrogen electrolytic cell (12) and fill hydrogen electrolytic cell (11) respectively.
5. the anti-enamel fish scaling performance test of cold-rolled steel sheet according to claim 4 device, it is characterized in that: also comprise electrical contact (22) and spring (23), one end of electrical contact (22) is connected in the sidewall notches of filling hydrogen electrolytic cell (11) by spring (23), the other end of electrical contact (22) and sample (30) butt, the negative pole of galvanostat (15) and potential difference meter (16) all links to each other with electrical contact (22).
6. the anti-enamel fish scaling performance test of cold-rolled steel sheet according to claim 5 device is characterized in that: fill hydrogen electrolytic cell (11) and expand between hydrogen electrolytic cell (12) and the sample (30) and be respectively equipped with O-ring seal (113,122).
7. the anti-enamel fish scaling performance test of cold-rolled steel sheet according to claim 6 device, it is characterized in that: the anode (111) that fills in the hydrogen electrolytic cell (11) is platinized platinum, platinum filament or graphite, and the contrast electrode (121) that expands in the hydrogen electrolytic cell (12) is mercurous chloride electrode or hydrogen electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220296655 CN202649161U (en) | 2012-06-21 | 2012-06-21 | Testing device for resistance to enamel scale detonation property of cold-rolled steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220296655 CN202649161U (en) | 2012-06-21 | 2012-06-21 | Testing device for resistance to enamel scale detonation property of cold-rolled steel plate |
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| CN202649161U true CN202649161U (en) | 2013-01-02 |
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| CN 201220296655 Expired - Fee Related CN202649161U (en) | 2012-06-21 | 2012-06-21 | Testing device for resistance to enamel scale detonation property of cold-rolled steel plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507906A (en) * | 2018-03-30 | 2018-09-07 | 上海海事大学 | Simulate the test device and method of the infiltration of deep-sea hydrogen |
| CN109490398A (en) * | 2017-09-11 | 2019-03-19 | 宝山钢铁股份有限公司 | The double electrolytic experiment detection devices of the quick-fried performance of glassed steel squama and detection method |
| CN111650258A (en) * | 2020-06-01 | 2020-09-11 | 上海应用技术大学 | Double-electrolysis experiment detection device and method for scaling property of enamel steel |
| CN111693426A (en) * | 2019-03-15 | 2020-09-22 | 宝山钢铁股份有限公司 | Device and method for evaluating fish scaling performance of enamel steel |
-
2012
- 2012-06-21 CN CN 201220296655 patent/CN202649161U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490398A (en) * | 2017-09-11 | 2019-03-19 | 宝山钢铁股份有限公司 | The double electrolytic experiment detection devices of the quick-fried performance of glassed steel squama and detection method |
| CN109490398B (en) * | 2017-09-11 | 2021-08-17 | 宝山钢铁股份有限公司 | Double-electrolysis experimental detection device and detection method for enamel steel scale explosion performance |
| CN108507906A (en) * | 2018-03-30 | 2018-09-07 | 上海海事大学 | Simulate the test device and method of the infiltration of deep-sea hydrogen |
| CN108507906B (en) * | 2018-03-30 | 2020-12-29 | 上海海事大学 | Testing device and method for simulating deep sea hydrogen permeation |
| CN111693426A (en) * | 2019-03-15 | 2020-09-22 | 宝山钢铁股份有限公司 | Device and method for evaluating fish scaling performance of enamel steel |
| CN111650258A (en) * | 2020-06-01 | 2020-09-11 | 上海应用技术大学 | Double-electrolysis experiment detection device and method for scaling property of enamel steel |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20170621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |