CN106596384A - Corrosion solution circulation system for corrosion fatigue test of metal material - Google Patents
Corrosion solution circulation system for corrosion fatigue test of metal material Download PDFInfo
- Publication number
- CN106596384A CN106596384A CN201710042641.7A CN201710042641A CN106596384A CN 106596384 A CN106596384 A CN 106596384A CN 201710042641 A CN201710042641 A CN 201710042641A CN 106596384 A CN106596384 A CN 106596384A
- Authority
- CN
- China
- Prior art keywords
- corrosion
- box
- fatigue test
- etchant solution
- blood circulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007797 corrosion Effects 0.000 title claims abstract description 88
- 238000005260 corrosion Methods 0.000 title claims abstract description 88
- 238000009661 fatigue test Methods 0.000 title claims abstract description 26
- 239000007769 metal material Substances 0.000 title claims abstract description 22
- 230000004087 circulation Effects 0.000 title abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000011521 glass Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000017531 blood circulation Effects 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 229920005479 Lucite® Polymers 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
-
- 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
Abstract
The invention discloses a corrosion solution circulation system for the corrosion fatigue test of a metal material. The corrosion solution circulation system comprises an axial compressive fatigue standard specimen for a fatigue test machine, wherein the specimen is provided with an upper portion clamping end and a lower portion clamping end for the fatigue test machine, the corrosion solution circulation system further comprises a corrosion box and a storage tank for storing a corrosion solution, the bottom portion of the corrosion box is provided with a connection hole for passing through of the lower portion clamping end, the inner side and the outer side of the corrosion box are respectively connected to a rubber gasket for sealing and a flange nut for fixation through the lower portion clamping end, a box cover is arranged above the corrosion box, the corrosion box is communicated to the storage tank through a water inlet pipe and a water outlet pipe, the water inlet pipe is connected to a water pump, and the water inlet pipe and the water outlet pipe respectively comprise a glass pipe and a soft pipe. With the system of the present invention, the problems of the corrosion solution leakage and the corrosion solution circulation in the test are solved, the electrochemical effect of the non-test material can be avoided as much as possible, and the metal material can be subjected to the axial stretching corrosion fatigue test through the general fatigue test machine.
Description
Technical field
The present invention relates to metallic material corrosion fatigue experimental device, in particular, is to be related to one kind for metal material
The etchant solution blood circulation of corrosion fatigue test.
Background technology
At present, the research of the Corrosion Fatigue Properties of metal material is needed to carry out corrosion fatigue test to which.When adopting one
As fatigue machine when being tested, needing the bare terminal end in test specimen to arrange corrosion box can carry out corrosion fatigue test, but
The problems such as corrosion sealing of box, the circulation of etchant solution, electrochemical effect, is difficult to solve.Therefore, for the corrosion of metal material
Fatigue test method, designs a kind of assay device that can apply to most of fatigue machine, can play good sealing
Effect, facilitate etchant solution circulation, and the metallic material corrosion of electrochemical effect that avoids as far as possible non-test material
Fatigue experimental device becomes particularly important and urgent.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided a kind of for metallic material corrosion fatigue examination
The etchant solution blood circulation tested, system solves the problem occur in test etchant solution seepage, etchant solution circulation ask
Topic, and the electrochemical effect that non-test material occurs can be avoided as far as possible, allow metal material in general fatigue examination
Testing carries out the corrosion fatigue test of axial tension on machine.
The purpose of the present invention is achieved through the following technical solutions：
A kind of etchant solution blood circulation for metallic material corrosion fatigue test, including being applied to fatigue machine
Axial push-pull fatigue criteria test specimen, axial push-pull fatigue criteria test specimen be provided be applied to fatigue machine upper clamp end and
Bottom bare terminal end, the also storage bin including corrosion box and for storing etchant solution, the corrosion cassette bottom portion is provided with for passing through
The connecting hole of the bottom bare terminal end, is connected with for sealing and consolidating by bottom bare terminal end inside and outside the corrosion box
Fixed rubber sheet gasket and flange nut, are provided with lid above the corrosion box, the corrosion box passes through water inlet pipe and outlet pipe
It is connected with the storage bin, on the water inlet pipe, is connected with water pump, the water inlet pipe and outlet pipe is by glass tubing and flexible pipe
Composition.
The diameter of connecting hole 0.1-0.3mm bigger than the external diameter of test specimen bare terminal end.
The water inlet pipe stretch into corrosion box in length be longer than the outlet pipe stretch into corrosion box in length.The glass
Pipe is arranged in the corrosion box.
The bottom thickness of the corrosion box is 10-20mm；The wall thickness of corrosion box is 5-8mm；The external diameter of corrosion box is 90-
120mm。
The thickness of the pad is less than or equal to 5mm.The pad is rubber sheet gasket or silica gel pad.
The corrosion box and lid are constituted by transparent organic glass material, and lid is provided with for pressing from both sides through the top
Hold three holes of end, water inlet pipe and outlet pipe.
One end of the bottom bare terminal end is provided with screw thread.
Compared with prior art, the beneficial effect brought by technical scheme is：
1. present system is drawn materials easily, convenient to process and install.
2. in system, flange nut, the presence of rubber (or silica gel) pad cause the sealing for corroding box good, can be effective
Avoid leakage problems that etchant solution occurs in test, flange nut from can select stainless steel and avoid non-reality as far as possible
Test material and electrochemical effect occurs in etchant solution.
3. the presence of small pump and external etchant solution storage bin in system, facilitate the circulation of etchant solution with more
Change.Additionally since corrosion box is using making transparent with machine glass (acrylic material), in test can intuitively viewing test
Process.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation for corroding box.
Fig. 3 is the structural representation of lid.
Fig. 4 is the 3 d effect graph for corroding box part.
Reference：1- upper clamps end, 2- bottoms bare terminal end, 3- axial push-pull fatigue criteria test specimens, 4- corrosion boxes, 5-
Lid, 6- storage bins, 7- pads, 8- flange nuts, 9- water inlet pipes, 10- water pumps, 11- outlet pipes, 12- connecting holes,
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of etchant solution cyclic system for metallic material corrosion fatigue test of present invention protection
System, including fatigue test board, fatigue test board is provided with for clamping the upper clamp end 1 of axial push-pull fatigue criteria test specimen 3
With bottom bare terminal end 2, by installing the system additional by corrosion fatigue test is carried out on general fatigue machine, the test is filled
Put convenient processing and install, good sealing effect, with larger versatility.
Also including a storage bin 6 for being used to store etchant solution, one is arranged on specimen holder end to the blood circulation
Corrosion box 4,4 bottom of corrosion box are provided with connecting hole 12, depending on size can be according to the diameter at specimen holder end, need not process screw thread,
The 0.2mm bigger than test specimen bare terminal end (bottom bare terminal end 2) external diameter of connecting hole 12 of circle in the present embodiment is convenient to install.Corrosion box 4 leads to
Connecting hole 12 is crossed through after lower end bare terminal end 2, by two flange nuts 8 being located inside and outside corrosion cassette bottom portion, two pads
Piece 7 is fixed.
Etchant solution storage bin 6 is connected using water inlet pipe 9 and outlet pipe 11 with corrosion box 5, and wherein storage bin 6 is sealing
Casing, water inlet pipe 9 and outlet pipe 11 constituted by glass tubing and flexible pipe, and glass tubing is arranged in the corrosion box, water inlet pipe 9
The length for stretching into the glass tubing in corrosion box is longer than the length that outlet pipe 11 stretches into the glass tubing in corrosion box.Enter in corrosion box 4
The hose of mouth of a river side adds a small pump 10 to provide the circulation power of etchant solution；One is processed on 4 top of corrosion box
The lid 5 of water inlet glass bend pipe and water outlet glass bend pipe can be fixed.Present system need to be clamped in bottom when making is installed
One end processing screw thread at end 2 conveniently tightens two flange nuts 8 inside and outside corrosion box 4, and corrosion box 4 is secured firmly to axial drawing
The test section part of fatigue criteria test specimen 3 is pressed, and the pad 7 by made by rubber or silica gel can be compressed and play sealing effectiveness, and
Its frictional impact with corrosion box 4 can be avoided, it is convenient to reuse.It can be 10- to corrode 4 base plate thickness of box in the present embodiment
20mm, 4 cylinder thickness of corrosion box can be 5-8mm, highly match with the length of test section, and 4 external diameter of corrosion box is 90-120mm,
Corrode box 4 and square case cap 5 is processed by lucite (acrylic material) thereon, intuitively can be observed using lucite
Test section.
Depending on the specification of flange nut 8 can be according to the diameter of bottom bare terminal end 2.The thickness of pad 7 is less than or equal to 5mm, interior
Footpath is smaller than 2 diameter of bottom bare terminal end.Lid 5 needs to process three holes, and the circular hole that central circular hole is passed through for test specimen, size are omited
More than or equal to specimen holder end diameter, both sides process fixed water inlet, two circular holes of water outlet glass bend pipe, circular hole respectively
Diameter is slightly less than the diameter of glass bend pipe.
During installation, flange nut 8 is screwed to into relevant position from 2 side of bottom bare terminal end first；Pad 7 is padded in flange
8 bottom of nut, then corrosion box 4 is enclosed within below flange nut 8 by its bottom connecting hole 12；To corrode again outside box 4 afterwards
Pad 7 be enclosed within outside corrosion box 4, outside flange nut 8 is fully tightened, completes to corrode the consolidating at specimen holder end of box 4
It is fixed.Two glass tubings of water inlet pipe 9 and outlet pipe 11 are inserted after installing lid 5 in its reserved circular hole, glass of intaking is noted
The outlet of glass pipe in the bottom of corrosion box, the outlet of water outlet glass tubing on the top of corrosion box, to ensure solution in test
In abundant circulation.
In the present embodiment, corrosion 4 base plate of box is formed using lucite (acrylic material) hot plate welding.Pad 7 it is interior
Footpath size need to 0.2mm less than corresponding matching size or so so as to tightly binds round on the bare terminal end of test specimen, plays sealing effectiveness.
During fixed, installation corrosion box 4, need the flange nut 8 outside corrosion box 4 to tighten as far as possible, corrosion box 4 is fixed on accordingly
Position, it is to avoid in test occur vibration.Pad can be added between the fixture and flange nut of bottom bare terminal end 2, it is to avoid
Collision is produced in test, bottom bare terminal end 2 is first clipped after installing corrosion box 4 carries out upper clamp end 1 again with testing machine
It is fixedly clamped.The circulation of etchant solution is first carried out before starting to test, starts to open after corrosion 4 internal solution liquid level stabilizing of box
Begin to test.
The present invention is not limited to embodiments described above.Above the description of specific embodiment is intended to describe and is said
Bright technical scheme, above-mentioned specific embodiment is only schematic, is not restricted.Without departing from this
In the case of invention objective and scope of the claimed protection, one of ordinary skill in the art may be used also under the enlightenment of the present invention
The concrete conversion of many forms is made, these are belonged within protection scope of the present invention.
Claims (9)
1. a kind of etchant solution blood circulation for metallic material corrosion fatigue test, including the axle for being applied to fatigue machine
To drawingand pressing fatigue standard specimen, axial push-pull fatigue criteria test specimen is provided with the upper clamp end for being applied to fatigue machine with
Portion's bare terminal end, it is characterised in that the storage bin also including corrosion box and for storing etchant solution, the corrosion cassette bottom portion is provided with
For through the bottom bare terminal end connecting hole, inside and outside the corrosion box by bottom bare terminal end be connected with for
Sealing and fixed pad and flange nut, are provided with lid above the corrosion box, the corrosion box is by water inlet pipe and goes out
Water pipe is connected with the storage bin, is connected with water pump on the water inlet pipe, the water inlet pipe and outlet pipe by glass tubing and
Flexible pipe is constituted.
2. a kind of etchant solution blood circulation for metallic material corrosion fatigue test according to claim 1, its feature
It is, the diameter 0.1-0.3mm bigger than the external diameter of test specimen bare terminal end of the connecting hole.
3. a kind of etchant solution blood circulation for metallic material corrosion fatigue test according to claim 1, its feature
Be, the water inlet pipe stretch into corrosion box in length be longer than the outlet pipe stretch into corrosion box in length.
4. a kind of etchant solution blood circulation for metallic material corrosion fatigue test according to claim 1 or 3, which is special
Levy and be, the glass tubing is arranged in the corrosion box.
5. a kind of etchant solution blood circulation for metallic material corrosion fatigue test according to claim 1, its feature
It is that the bottom thickness of the corrosion box is 10-20mm, and the wall thickness for corroding box is 5-8mm, and the external diameter for corroding box is 90-
120mm。
6. a kind of etchant solution blood circulation for metallic material corrosion fatigue test according to claim 1, its feature
It is that the thickness of the pad is less than or equal to 5mm.
7. a kind of etchant solution blood circulation for metallic material corrosion fatigue test according to claim 1, its feature
It is that the corrosion box and lid are constituted by transparent organic glass material, and lid is provided with for through the upper clamp
Three holes of end, water inlet pipe and outlet pipe.
8. a kind of etchant solution blood circulation for metallic material corrosion fatigue test according to claim 1 or 6, which is special
Levy and be, the pad is rubber sheet gasket or silica gel pad.
9. a kind of etchant solution blood circulation for metallic material corrosion fatigue test according to claim 1, its feature
It is that one end of the bottom bare terminal end is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042641.7A CN106596384A (en) | 2017-01-20 | 2017-01-20 | Corrosion solution circulation system for corrosion fatigue test of metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042641.7A CN106596384A (en) | 2017-01-20 | 2017-01-20 | Corrosion solution circulation system for corrosion fatigue test of metal material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106596384A true CN106596384A (en) | 2017-04-26 |
Family
ID=58586041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042641.7A Pending CN106596384A (en) | 2017-01-20 | 2017-01-20 | Corrosion solution circulation system for corrosion fatigue test of metal material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106596384A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860704A (en) * | 2017-11-06 | 2018-03-30 | 李承祥 | A kind of salt resistance class erosion test device |
| CN108254272A (en) * | 2018-03-15 | 2018-07-06 | 西南交通大学 | A kind of weld decay fatigue property test device |
| CN108344682A (en) * | 2018-04-28 | 2018-07-31 | 国网浙江省电力有限公司电力科学研究院 | The electrochemical testing device and test method of cable armouring wire material fatigue corrosion |
| CN109827895A (en) * | 2019-03-14 | 2019-05-31 | 贵州大学 | A kind of salt air corrosion experimental provision and its operating method for material metal experiment |
| CN110333155A (en) * | 2019-05-23 | 2019-10-15 | 浙江大学 | Orthotropic Steel Bridge Deck welding node corrosion fatigue test method and device thereof |
| CN112798397A (en) * | 2020-12-30 | 2021-05-14 | 中国特种飞行器研究所 | Corrosive solution tank construction method for fatigue testing machine and fatigue testing machine |
| CN112858072A (en) * | 2021-01-04 | 2021-05-28 | 浙江工业大学 | Method for testing temperature stress of concrete |
| CN113281154A (en) * | 2021-05-28 | 2021-08-20 | 清华大学 | Steel uniaxial tensile stress corrosion test force transmission clamp and device |
| CN113466121A (en) * | 2021-07-21 | 2021-10-01 | 石家庄铁道大学 | Test method of middle-corroded concrete filled steel tube test piece |
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| CN103439199A (en) * | 2013-08-19 | 2013-12-11 | 北京航空航天大学 | System for testing fatigue crack propagation in corrosion environment |
| CN104764656A (en) * | 2015-03-31 | 2015-07-08 | 中国船舶重工集团公司第七二五研究所 | Tapered locking sealing device of test sample used for axial corrosion test |
| CN106198196A (en) * | 2016-09-30 | 2016-12-07 | 北京航空航天大学 | A kind of environment simulator for Corrosion Fatigue Properties test |
| CN206450576U (en) * | 2017-01-20 | 2017-08-29 | 天津大学 | A kind of etchant solution circulatory system for metallic material corrosion fatigue test |
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Patent Citations (5)
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| CN203101235U (en) * | 2012-12-28 | 2013-07-31 | 中国石油天然气集团公司 | Metal fatigue stress corrosion detection tester |
| CN103439199A (en) * | 2013-08-19 | 2013-12-11 | 北京航空航天大学 | System for testing fatigue crack propagation in corrosion environment |
| CN104764656A (en) * | 2015-03-31 | 2015-07-08 | 中国船舶重工集团公司第七二五研究所 | Tapered locking sealing device of test sample used for axial corrosion test |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860704A (en) * | 2017-11-06 | 2018-03-30 | 李承祥 | A kind of salt resistance class erosion test device |
| WO2019085161A1 (en) * | 2017-11-06 | 2019-05-09 | 李承祥 | Salt corrosion resistance test device |
| CN107860704B (en) * | 2017-11-06 | 2024-03-19 | 李承祥 | Salt corrosion resistance test device |
| CN108254272A (en) * | 2018-03-15 | 2018-07-06 | 西南交通大学 | A kind of weld decay fatigue property test device |
| CN108344682A (en) * | 2018-04-28 | 2018-07-31 | 国网浙江省电力有限公司电力科学研究院 | The electrochemical testing device and test method of cable armouring wire material fatigue corrosion |
| CN109827895A (en) * | 2019-03-14 | 2019-05-31 | 贵州大学 | A kind of salt air corrosion experimental provision and its operating method for material metal experiment |
| CN110333155B (en) * | 2019-05-23 | 2020-10-09 | 浙江大学 | Orthotropic steel bridge deck welding joint corrosion fatigue test method and device thereof |
| CN110333155A (en) * | 2019-05-23 | 2019-10-15 | 浙江大学 | Orthotropic Steel Bridge Deck welding node corrosion fatigue test method and device thereof |
| CN112798397A (en) * | 2020-12-30 | 2021-05-14 | 中国特种飞行器研究所 | Corrosive solution tank construction method for fatigue testing machine and fatigue testing machine |
| CN112858072A (en) * | 2021-01-04 | 2021-05-28 | 浙江工业大学 | Method for testing temperature stress of concrete |
| CN112858072B (en) * | 2021-01-04 | 2022-11-25 | 浙江工业大学 | Method for testing temperature stress of concrete |
| CN113281154A (en) * | 2021-05-28 | 2021-08-20 | 清华大学 | Steel uniaxial tensile stress corrosion test force transmission clamp and device |
| CN113466121A (en) * | 2021-07-21 | 2021-10-01 | 石家庄铁道大学 | Test method of middle-corroded concrete filled steel tube test piece |
| CN113466121B (en) * | 2021-07-21 | 2022-05-20 | 石家庄铁道大学 | Test method of middle-corroded concrete filled steel tube test piece |
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Application publication date: 20170426 |