CN109632457A - A kind of device and method being used to prepare electrochemical corrosion test sample - Google Patents
A kind of device and method being used to prepare electrochemical corrosion test sample Download PDFInfo
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- CN109632457A CN109632457A CN201910134312.4A CN201910134312A CN109632457A CN 109632457 A CN109632457 A CN 109632457A CN 201910134312 A CN201910134312 A CN 201910134312A CN 109632457 A CN109632457 A CN 109632457A
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000006056 electrooxidation reaction Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000012188 paraffin wax Substances 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 27
- 239000003381 stabilizer Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 238000005538 encapsulation Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000002848 electrochemical method Methods 0.000 abstract description 2
- 230000005307 ferromagnetism Effects 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 11
- 238000007789 sealing Methods 0.000 description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
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- 239000001993 wax Substances 0.000 description 5
- 241000167854 Bourreria succulenta Species 0.000 description 4
- 238000010009 beating Methods 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 4
- 230000005294 ferromagnetic effect Effects 0.000 description 4
- 230000005291 magnetic effect Effects 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000840 electrochemical analysis Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of device and methods for being used to prepare electrochemical corrosion test sample, are related to Electrochemical Measurement Technology field, comprising: support base；Support rod, the support rod are vertically set on the end of the support base；Lifting support, the lifting support include first part and second part；Electromagnet, the electromagnet are connect with the second part far from one end of the first part；Taper die, the big end of the taper die are connect with the electromagnet far from one end of the second part, and the small end of the taper die connects sample；Warm table, the warm table are arranged in the support base；Beaker, the beaker is arranged on the warm table, and the beaker has an accommodating space, can accommodate the sample in the accommodating space, reach that electrochemical corrosion sample manipulation is easy, reproducible, accuracy is high, the selection of sample or has prepared more convenient convenient and fast technical effect early period.
Description
Technical field
The invention belongs to Electrochemical Measurement Technology field more particularly to a kind of electrochemical corrosion test samples of being used to prepare
Device and method.
Background technique
Electro-chemical test plays an important role in the characterization of metal erosion, has science by force, quick and precisely, accurately
The feature that degree is high, operability is good.The corruption of quantitative evaluation material is easier compared to traditional weight-loss method and salt air corrosion experiment
Lose speed and corrosion resistance.However the characteristics of due to electro-chemical test, seem particularly critical to the preparation of sample, sample is effective
The acquisition of test area directly influences the repeatability and stability of the data such as later period corrosion electric current density and AC impedance, that is, tries
Sample surface need to have determining exposed surface area, and sample remaining surface need to be sealed.
The sealing of electrochemical corrosion test sample is more coarse at present, first, insulated enclosure layer material mostly uses silicon rubber
Glue, epoxy resin, varnish, paraffin etc., but due to being difficult to avoid side due to solidifying in cohesive process with sample in approved sample operates
Edge generates gap, and naked eyes are easy to produce around the surface for reserving certain area and are difficult to the micro chink perceived, the later period immerses solution
When middle test, especially after anodic oxidation, it may occur that crevice corrosion makes gap broaden, so that experimental error is brought, simultaneously for
There is gas evolution in test process, micro chink can aggravate this edge effect, so that theoretical corroded area increases, influence to test
The repeatability and stability of data；Second, for the material of sample or porous surface after differential arc oxidation, it is close in preparation insulation
When sealing, insulating sealing materials are easily penetrated into before sealing to the surface for reserving certain area, so that exposed surface in operating process
By local sealing of hole, theoretical corroded area is reduced, and influences the repeatability and stability of experimental data.In addition, using varnish etc. as
When seal protection material, soluble component therein may cause the pollution of electrolyte, and may be adsorbed on and reserve certain area
Surface, can equally make theoretical corroded area reduce, influence experimental result.
Summary of the invention
The embodiment of the present application is solved by providing a kind of device and method for being used to prepare electrochemical corrosion test sample
Test sample sealing in the prior art is more coarse, influences the repeatability of experimental data and the skill of stability and experimental result
Art problem, has reached that electrochemical corrosion sample manipulation is easy, reproducible, accuracy is high, and the selection of sample or preparation early period are more
Add and facilitates convenient and fast technical effect.
On the one hand, the embodiment of the invention provides a kind of devices for being used to prepare electrochemical corrosion test sample, comprising: branch
Support pedestal；Support rod, the support rod are vertically set on the end of the support base；Lifting support, the lifting support packet
Include first part and second part, and the first part and the second part are vertically arranged, wherein the first part with
The support rod is vertically arranged far from one end of the support base；Electromagnet, the electromagnet and the second part are separate
One end of the first part connects；Taper die, the big end of the taper die and the electromagnet are far from described second
One end connection divided, the small end of the taper die connect sample；Warm table, the warm table are arranged in the support base
On；Beaker, the beaker are arranged on the warm table, and the beaker has an accommodating space, can in the accommodating space
Accommodate the sample.
Preferably, further includes: there is upper limit graduation mark and lower limit graduation mark, wherein the lower limit on the taper die
The distance between groove and the taper die small end be 2mm, between the upper limit groove and the taper die small end away from
From for 5mm.
Preferably, paraffin is accommodated in the accommodating space.
Preferably, the taper die is made of ferrimagnet, and the taper of the taper die is 1:10 or more,
Wherein, the small end area of the taper die is less than the test area in the face that fits with the sample.
Preferably, further includes: four foot block of taper, the four foot block of taper tool there are four stabilizer blade, and four stabilizer blades with
The sample bottom fits, wherein the taper of each stabilizer blade is greater than or equal to 1:10, and each stabilizer blade in four stabilizer blades
The disc diameter being in contact with the sample is not more than 5mm.
Preferably, the four foot block of taper is made of ferrimagnet.
On the other hand, the embodiment of the invention also provides a kind of method for being used to prepare electrochemical corrosion test sample, packets
It includes: step 1: after the paraffin of preset vol is added into beaker, opening warm table, make described paraffin melting for paraffin liquid；Step
2: the lower surface of the upper surface of sample and taper die is fitted, wherein the sample is electromagnetically material；Step 3: by institute
The upper surface for stating taper die is placed in the lower section of electromagnet, opens the electromagnet；Step 4: opening lifting support, make the examination
Sample and the taper die immerse in the paraffin liquid, until the paraffin liquid level is located at the upper limit graduation mark of taper die under
It limits between graduation mark；Step 5: after immersing the first predetermined time of satisfaction time, operating the lifting support, make the conical die
Tool, sample are separated with paraffin liquid level, and the electromagnet is closed after standing for the second predetermined time in air.
Preferably, it is described stood for the second predetermined time in air after close after the electromagnet, further includes: will be described
Taper die is separated with the sample, and obtains the sample after paraffin encapsulation.
Preferably, further includes: when the sample is nonferromugnetic material, four foot block of taper is placed on the sample
Lower section, wherein the four foot block of taper is made of ferrimagnet.
Preferably, further includes: first predetermined time is 3~5s；And/or second predetermined time is 3~5s.
Said one or multiple technical solutions in the embodiment of the present invention at least have following one or more technology effects
Fruit:
In a kind of device and method for being used to prepare electrochemical corrosion test sample provided in an embodiment of the present invention, the use
In preparation electrochemical corrosion test sample device include: support base；Support rod, the support rod are vertically set on the branch
Support the end of pedestal；Lifting support, the lifting support include first part and second part, the first part and the branch
Strut is vertically arranged far from one end of the support base；Electromagnet, the electromagnet and the second part are far from described the
One end connection of a part；Taper die, the taper die are connect with the electromagnet far from one end of the second part；
Sample, the sample are connect with the taper die far from one end of the electromagnet；Warm table, the warm table are arranged in institute
It states in support base；Beaker, the beaker are arranged on the warm table, and the beaker has an accommodating space, the appearance
The sample can be accommodated in emptying.When described device at work, using electromagnet taper die described in ferromagnetism,
The effect of four hornblock magnetic field force of sample and ferromagnetism taper, be readily able to obtain effective area the taper die lower surface with
Test sample is placed in one, and four hornblock of back taper, sample and taper die are immersed to the stone of melting by the lifting support
In wax liquor, until paraffin liquid level will be described by lifting support after between the taper die bound groove, impregnating 3-5s
Taper die and sample are separated with paraffin liquid level, gently divide the taper die and the sample after standing 3-5s in air
From so far for preparing completion with ferromagnetic electrochemical corrosion test sample；For the test sample of nonferromagnetic, upper
It states step after the completion to separate four hornblock of ferromagnetism back taper with the sample, manually completes the paraffin encapsulation at four footing positions,
So far it prepared by the electrochemical corrosion test sample with nonferromagnetic and is completed.To solve test examination in the prior art
The technical issues of sample sealing is more coarse, influences the repeatability and stability and experimental result of experimental data, has reached electrification
It learns that corrosion sample is easy to operate, reproducible, accuracy is high, the selection of sample or prepare more convenient convenient and fast technology early period and imitate
Fruit.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of device for being used to prepare electrochemical corrosion test sample of the embodiment of the present invention.
Description of symbols: 1- support base；2- support rod；3- lifting support；4- electromagnet；5- taper die；6- examination
Sample；7- warm table；8- beaker；9- paraffin；Four hornblock of 10- taper；11- extraction wire.
Specific embodiment
The embodiment of the present application is solved by providing a kind of device and method for being used to prepare electrochemical corrosion test sample
Test sample sealing in the prior art is more coarse, influences the repeatability and stability and experimental result of experimental data
Technical problem.
Technical solution in the embodiment of the present invention, general thought are as follows: one kind provided in an embodiment of the present invention is used to prepare
The device and method of electrochemical corrosion test sample, passes through support base；Support rod, the support rod are vertically set on the branch
Support the end of pedestal；Lifting support, the lifting support include first part and second part, and the first part and described
Second part is vertically arranged, wherein the first part is vertically arranged with the support rod far from one end of the support base；
Electromagnet, the electromagnet are connect with the second part far from one end of the first part；Taper die, the conical die
The big end of tool is connect with the electromagnet far from one end of the second part, and the small end of the taper die connects sample；Add
Thermal station, the warm table are arranged in the support base；Beaker, the beaker is arranged on the warm table, and the burning
Cup has an accommodating space, can accommodate the sample in the accommodating space.It is easy, again electrochemical corrosion sample manipulation has been reached
Renaturation is good, accuracy is high, the selection of sample or prepares more convenient convenient and fast technical effect early period.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
A kind of device for being used to prepare electrochemical corrosion test sample is present embodiments provided, referring to FIG. 1, described be used for
Preparation electrochemical corrosion test sample device include:
Support base 1.
Support rod 2, the support rod 2 are vertically set on the end of the support base 1；
Specifically, the support base 1 is the lower support structure of described device, and the support rod 2 is similarly institute
The support construction of device is stated, and the support base 1 and the support rod 2 form a structure of right angle tyoe, that is to say, that described
Support rod 2 is mounted at the end position of the support base 1, and with the perpendicular setting of the support base 1, and then can be in institute
It states and other elements is installed in support rod 2 and support base 1.
Lifting support 3, the lifting support 3 include first part and second part, and the first part and described the
Two parts are vertically arranged, wherein the first part is vertically arranged with the support rod 2 far from one end of the support base 1.
Electromagnet 4, the electromagnet 4 are connect with the second part far from one end of the first part.
Specifically, the lifting support 3 is the lifting structure of described device, the shape of the lifting support 3 is one " L "
Shape structure, specifically, the lifting support 3 includes first part and second part, wherein the first part is L shape knot
The long side of structure, the second part are the short side of L shape structure, and, the first part is at the close top of the support rod 2
Position be in the support rod 2 and be vertically arranged, the second part is arranged in parallel with the support rod 2, further can be in institute
It states and the electromagnet 4 is set below second part.
Taper die 5, the big end of the taper die 5 are connect with the electromagnet 4 far from one end of the second part,
The small end of the taper die 5 connects sample；.
Further, the taper die 5 is made of ferrimagnet, and the taper of the taper die 5 is 1:10
More than, wherein the small end area of the taper die is less than the test area in the face that fits with the sample.
Further, there is upper limit graduation mark and lower limit graduation mark, wherein the lower limit groove on the taper die 5
The distance between described 5 small end of taper die is 2mm, the distance between the upper limit groove and 5 small end of taper die
For 5mm.
Specifically, the upper surface of the electromagnet 4 is bonded with the second part, the lower surface of the electromagnet 4 with
The upper surface of the taper die 5 fits, wherein 5 upper surface of taper die is that 5 area of taper die is biggish
One end.Further, the taper die 5 is made by ferrimagnet, and 5 taper of the taper die is not less than 1:10, and
And upper limit graduation mark and lower limit graduation mark are marked on the taper die 5, wherein the upper limit graduation mark and lower limit graduation mark
Size apart from lower surface can be selected according to the actual situation, with the lower limit groove away from lower surface 2mm, institute in the present embodiment
Upper limit groove is stated away from lower surface 5mm as preferred.The sample 6 is sample to be tested, is connected with extraction on the sample 6 and leads
Line 11 can be convenient for the experiment test of next step, the lower surface phase of the upper surface of the sample 6 and the taper die 5
Fitting, and the part that the sample 6 and the taper die 5 fit is face to be tested, therefore, the area of plane to be tested is not small
Area in 5 lower surface of taper die, thus can be different from conventional specimen need to prepare the plane of accurately 1cm × 1cm,
And different taper dies need to be only replaced according to the size of test plane area, the selection of sample or prepare early period it is more convenient just
It is prompt.Further, the 5 lower surface area of taper die is known and easily obtains.It is easy to demould to reach, validity test area
Domain edge is not likely to produce micro chink, and the technical effect of validity test area precisely, stable, reproducible between sample.
Warm table 7, the warm table 7 are arranged in the support base 1.
Beaker 8, the beaker 8 are arranged on the warm table 7, and the beaker 8 has an accommodating space, the accommodating
The sample 6 can be accommodated in space.
Further, can accommodate paraffin in the accommodating space, and it is described it is paraffin melting after liquid level be located at the upper limit
Between graduation mark and lower limit graduation mark.
Specifically, the warm table 7 is placed in the support base 1, and then prevent on the warm table 7 described
Beaker 8 can be by the stone by the effect of the warm table 7 after placing a certain amount of paraffin 9 in the beaker 8
Wax 9 is heated as the paraffin liquid of molten condition.When described device at work, bored described in ferromagnetism using the electromagnet 4
The effect of shape mold 5, sample 6 and ferromagnetism back taper four hornblock 10 (using when sample is nonferromagnetic at this time) magnetic field force, will be easy
It is placed in one in the lower surface of the taper die 5 for obtaining effective area with test sample, by the lifting support 3 by institute
It states four hornblock 10 of back taper, sample 6 and taper die 5 and immerses the paraffin for being contained in the inner melting of the beaker 8 under the warm table 7 acts on
In liquid, until paraffin liquid level will by the lifting support 3 after between the 5 bound groove of taper die, impregnating 3-5s
The taper die 5 and sample 6 are separated with paraffin liquid level, in air gently by the taper die 5 and institute after standing 3-5s
The separation of sample 6 is stated, is so far completed for being prepared with ferromagnetic electrochemical corrosion test sample；Test for nonferromagnetic
Four hornblock 10 of ferromagnetism back taper is separated with the sample 6 after the above step is finished, manually completes four footing positions by sample
Paraffin encapsulation, so far for nonferromagnetic electrochemical corrosion test sample prepare complete.
Further, further includes: four foot block 10 of taper, the four foot block 10 of taper tool is there are four stabilizer blade, and described four
Stabilizer blade fits with 6 bottom of sample, wherein the taper of each stabilizer blade is more than or equal to 1:10 in four stabilizer blades, and every
The disc diameter that a stabilizer blade is in contact with the sample is not more than 5mm.
Further, the four foot block 10 of taper is made of ferrimagnet.
Specifically, being needed at this time when the sample 6 is the electrochemical corrosion test sample of nonferromagnetic in the examination
A four foot block 10 of taper is placed in the bottom of sample 6, and four foot block 10 of the taper is made by ferrimagnet, and each foot
Taper is not less than 1:10, and four foot top of supply line disc diameters are not more than 5mm.Hence for nonferromagnetic test sample, described
Under the active force of four foot block 10 of taper and the electromagnet 4, so that ferromagnetism taper die and nonferromagnetic test sample following table
Face paste close it is close, without micro chink, test sample can get preferable validity test area.
Embodiment two
The present embodiment additionally provides a kind of method for being used to prepare electrochemical corrosion test sample, which comprises
Step 1: after the paraffin 9 of preset vol is added into beaker 8, opening warm table 7, melting the paraffin 9 is stone
Wax liquor；
Step 2: the upper surface of sample 6 and the lower surface of taper die 5 are fitted, wherein the sample 6 is electromagnetically
Material；
Step 3: the upper surface of the taper die 5 being placed in the lower section of electromagnet 4, opens the electromagnet 4；
Step 4: opening lifting support 3, immerse the sample 6 and the taper die 5 in the paraffin liquid, until institute
Paraffin liquid level is stated to be located between the upper limit graduation mark and lower limit graduation mark of taper die 5；
Step 5: when immerse the time meet the first predetermined time after, operate the lifting support 3, make the taper die 5,
Sample 6 is separated with paraffin liquid level, and the electromagnet 4 is closed after standing for the second predetermined time in air.
Further, it is described stood for the second predetermined time in air after close after the electromagnet 4, further includes: will
The taper die 5 is separated with the sample 6, and obtains the sample after paraffin encapsulation.
Further, further includes: first predetermined time is 3~5s；Second predetermined time is 3~5s.
Specifically, when the sample 6 be ferrimagnet when, for example, beating steel GCr15 test sample when, open at this time
The warm table 7 is opened, the beaker 8 of 2/3 volume paraffin 4 is filled in heating, and melting paraffin 9 is liquid；It is surveyed according to beating steel GCr15
The surface area to be measured of sample 6 of having a try selects reasonable, known surface area the taper die 5, will have connected the bearing steel of conducting wire
The surface to be measured of GCr15 test sample 6 is bonded with 5 lower surface of taper die；5 upper surface of taper die is placed in described
4 lower section of electromagnet, opens the electromagnet 4；The lifting support 3 is opened, immerses said combination under the effect of warm table 7
It is contained in the paraffin liquid of the inner melting of the beaker 8, until paraffin liquid level is between the 5 bound groove of taper die；Dipping 3
The taper die 5 and the sample 6 are separated by the lifting support 3 with paraffin liquid level after~5s, stand 3 in air
Electromagnet 1 is closed after~5s.Built-up section is detached from the attraction of electromagnet, further, since GCr15 is ferromagnetism object
Therefore GCr15 test sample is placed in after air that only need to separate ferromagnetic back taper mold with the sample can be complete by matter
At the preparation of sample, the preparation of beating steel GCr15 test sample is so far completed.Same batch beating steel GCr15 test sample is pressed
It is successively operated according to above-mentioned 1-5 sequence, the effective area of acquisition is tested under 3 D stereo magnifying glass, with effective between each sample of batch
Area is completely the same, non-microcracked appearance, meets the sample preparation requirement of electrochemical corrosion test.
Further, when the sample 6 is nonferromugnetic material, four foot block 10 of taper is placed on the sample 6
Lower section, wherein the four foot block 10 of taper is made of ferrimagnet.
Specifically, when the sample 6 is nonferromugnetic material, for example, titanium TA2 when, open at this time it is described plus
The beaker 8 of 2/3 volume paraffin 4 is filled in thermal station 7, heating, and melting paraffin 9 is liquid；According to titanium TA2 test sample 6 to
It surveys surface area and selects reasonable, known surface area the taper die 5, the titanium TA2 test examination of conducting wire will be had connected
The surface to be measured of sample 6 is bonded with 5 lower surface of taper die；5 upper surface of taper die is placed under the electromagnet 4
Side, opens the electromagnet 4 and the four foot block 10 of taper is placed in the lower surface of titanium TA2 test sample 6；Described in unlatching
Lifting support 3 immerses said combination under the warm table 7 acts on and is contained in the paraffin liquid of the inner melting of the beaker 8, until stone
Wax liquor face is between the 5 bound groove of taper die；It impregnates the conical die after 3~5s through the lifting support 3
Tool 5 and the sample 6 are separated with paraffin liquid level, close electromagnet 1 after standing 3~5s in air.Built-up section is detached from electricity
The attraction of magnetic iron, then gently by the taper die 5 and four foot block 10 of the taper and titanium TA2 test sample 6
Separation.Finally, manually completing the paraffin encapsulation at four footing positions, titanium TA2 electrochemical corrosion test sample is so far completed
Preparation.Same batch titanium TA2 test sample is successively operated according to above-mentioned 1-5 sequence, is surveyed under 3 D stereo magnifying glass
The effective area obtained is tried, non-microcracked appearance completely the same with effective area between each sample of batch meets electrochemical corrosion examination
The sample preparation requirement tested.
Said one or multiple technical solutions in the embodiment of the present invention at least have following one or more technology effects
Fruit:
In a kind of device and method for being used to prepare electrochemical corrosion test sample provided in an embodiment of the present invention, the use
In preparation electrochemical corrosion test sample device include: support base；Support rod, the support rod are vertically set on the branch
Support the end of pedestal；Lifting support, the lifting support include first part and second part, the first part and the branch
Strut is vertically arranged far from one end of the support base；Electromagnet, the electromagnet and the second part are far from described the
One end connection of a part；Taper die, the taper die are connect with the electromagnet far from one end of the second part；
Sample, the sample are connect with the taper die far from one end of the electromagnet；Warm table, the warm table are arranged in institute
It states in support base；Beaker, the beaker are arranged on the warm table, and the beaker has an accommodating space, the appearance
The sample can be accommodated in emptying.When described device at work, using electromagnet taper die described in ferromagnetism,
The effect of four hornblock magnetic field force of sample and ferromagnetism back taper, be readily able to obtain effective area the taper die lower surface with
Test sample is placed in one, and four hornblock of back taper, sample and taper die are immersed to the stone of melting by the lifting support
In wax liquor, until paraffin liquid level will be described by lifting support after between the taper die bound groove, impregnating 3-5s
Taper die and sample are separated with paraffin liquid level, gently divide the taper die and the sample after standing 3-5s in air
From so far for preparing completion with ferromagnetic electrochemical corrosion test sample；For the test sample of nonferromagnetic, upper
It states step after the completion to separate four hornblock of ferromagnetism taper with the sample, manually completes the paraffin encapsulation at four footing positions,
So far it prepared by the electrochemical corrosion test sample with nonferromagnetic and is completed.To solve test examination in the prior art
The technical issues of sample sealing is more coarse, influences the repeatability and stability and experimental result of experimental data, has reached electrification
It learns that corrosion sample is easy to operate, reproducible, accuracy is high, the selection of sample or prepare more convenient convenient and fast technology early period and imitate
Fruit.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of device for being used to prepare electrochemical corrosion test sample characterized by comprising
Support base；
Support rod, the support rod are vertically set on the end of the support base；
Lifting support, the lifting support include first part and second part, and the first part and the second part
It is vertically arranged, wherein the first part is vertically arranged with the support rod far from one end of the support base；
Electromagnet, the electromagnet are connect with the second part far from one end of the first part；
Taper die, the big end of the taper die are connect with the electromagnet far from one end of the second part, the cone
The small end of shape mold connects sample；
Warm table, the warm table are arranged in the support base；
Beaker, the beaker are arranged on the warm table, and the beaker has an accommodating space, can in the accommodating space
Accommodate the sample.
2. being used to prepare the device of electrochemical corrosion test sample as described in claim 1, which is characterized in that further include:
There is upper limit graduation mark and lower limit graduation mark, wherein the lower limit groove and the taper die on the taper die
The distance between small end is 2mm, and the distance between the upper limit groove and the taper die small end are 5mm.
3. being used to prepare the device of electrochemical corrosion test sample as claimed in claim 2, which is characterized in that the accommodating is empty
Interior accommodating paraffin.
4. being used to prepare the device of electrochemical corrosion test sample as described in claim 1, which is characterized in that the conical die
Tool is made of ferrimagnet, and the taper of the taper die is 1:10 or more, wherein the small end face of the taper die
Product is less than the test area in the face that fits with the sample.
5. the device according to any one of claims 1-4 for being used to prepare electrochemical corrosion test sample, which is characterized in that also
Include:
Four foot block of taper, there are four stabilizer blades for four foot block of the taper tool, and four stabilizer blades fit with the sample bottom,
Wherein, the taper of each stabilizer blade is greater than or equal to 1:10 in four stabilizer blades, and each stabilizer blade is in contact with the sample
Disc diameter is not more than 5mm.
6. being used to prepare the device of electrochemical corrosion test sample as claimed in claim 5, which is characterized in that the taper four
Foot block is made of ferrimagnet.
7. a kind of method for being used to prepare electrochemical corrosion test sample characterized by comprising
Step 1: after the paraffin of preset vol is added into beaker, opening warm table, make described paraffin melting for paraffin liquid；
Step 2: the lower surface of the upper surface of sample and taper die is fitted, wherein the sample is electromagnetically material；
Step 3: the upper surface of the taper die being placed in the lower section of electromagnet, opens the electromagnet；
Step 4: opening lifting support, immerse the sample and the taper die in the paraffin liquid, until the paraffin
Liquid level is located between the upper limit graduation mark and lower limit graduation mark of taper die；
Step 5: when immerse the time meet the first predetermined time after, operate the lifting support, make the taper die, sample with
The separation of paraffin liquid level, closes the electromagnet after standing for the second predetermined time in air.
8. the method for being used to prepare electrochemical corrosion test sample as claimed in claim 7, which is characterized in that described in air
It is closed after the electromagnet after second predetermined time of middle standing, further includes:
The taper die is separated with the sample, and obtains the sample after paraffin encapsulation.
9. the method for being used to prepare electrochemical corrosion test sample as claimed in claim 7, which is characterized in that further include:
When the sample is nonferromugnetic material, four foot block of taper is placed on to the lower section of the sample, wherein the taper
Four foot blocks are made of ferrimagnet.
10. the method for being used to prepare electrochemical corrosion test sample as claimed in claim 7, which is characterized in that further include:
First predetermined time is 3~5s；And/or
Second predetermined time is 3~5s.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134312.4A CN109632457A (en) | 2019-02-22 | 2019-02-22 | A kind of device and method being used to prepare electrochemical corrosion test sample |
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| CN201910134312.4A CN109632457A (en) | 2019-02-22 | 2019-02-22 | A kind of device and method being used to prepare electrochemical corrosion test sample |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982625A (en) * | 2020-08-18 | 2020-11-24 | 无锡隆达金属材料有限公司 | Method for preparing electrochemical test sample of pipe |
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