CN111610142B - Corrosion device for metal corrosion fatigue test - Google Patents
Corrosion device for metal corrosion fatigue test Download PDFInfo
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- CN111610142B CN111610142B CN202010487561.4A CN202010487561A CN111610142B CN 111610142 B CN111610142 B CN 111610142B CN 202010487561 A CN202010487561 A CN 202010487561A CN 111610142 B CN111610142 B CN 111610142B
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- connecting plate
- vessel
- corrosion
- hole
- sliding groove
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- 238000005260 corrosion Methods 0.000 title claims abstract description 48
- 230000007797 corrosion Effects 0.000 title claims abstract description 48
- 238000009661 fatigue test Methods 0.000 title claims abstract description 29
- 239000002184 metal Substances 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 6
- 238000005530 etching Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007921 spray Substances 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The corrosion device for the metal corrosion fatigue test comprises a corrosion liquid vessel which is horizontally arranged, wherein brackets are oppositely arranged on the left side and the right side of the corrosion liquid vessel along the horizontal direction, and the brackets are fixedly connected with the corrosion liquid vessel through L-shaped connecting pieces; the corrosion liquid vessel comprises a liquid leakage vessel, a solution vessel is arranged in the liquid leakage vessel, a first through hole and a second through hole which are mutually communicated are arranged in the centers of the bottoms of the solution vessel and the liquid leakage vessel, and rubber plugs are closely matched and installed in the first through hole and the second through hole; the support includes the movable rack that is the reverse L shape and is L shape mount, and the horizontal distance between support and the corrosive liquid household utensils and the height of support self are all adjustable. According to the invention, the gauge length section of the sample can be completely immersed in the corrosive liquid when the sample is subjected to fatigue test, so that the corrosion fatigue performance test is more reasonable and reliable. Aiming at the corrosion environment required by the metal corrosion fatigue test, the effective corrosion process of the sample during the corrosion fatigue test is realized.
Description
Technical Field
The invention relates to the field of metal corrosion fatigue tests, in particular to a corrosion device for a metal corrosion fatigue test.
Background
The test equipment for metal fatigue test is generally a fatigue testing machine, and the fatigue test is to test the fatigue performance of the metal sample by respectively clamping two ends of the metal sample through two chucks on the fatigue testing machine. However, if the corrosion fatigue performance of a metal specimen under the combined action of a load and a corrosion environment is to be studied, it is necessary to create a corrosion environment while the specimen is subjected to a fatigue test.
The current corrosion fatigue test is basically to spray the corrosion liquid on the gauge length section of the sample while the sample is subjected to the fatigue test, however, the corrosion environment created by the method is unfavorable for the sample to be uniformly and effectively corroded for a long time during the test.
Disclosure of Invention
In order to overcome the problems, the invention provides a corrosion device for metal corrosion fatigue test, which is more reasonable and reliable in corrosion fatigue performance test.
The technical scheme adopted by the invention is as follows: the corrosion device for the metal corrosion fatigue test comprises a corrosion liquid vessel which is horizontally arranged, wherein brackets are oppositely arranged on the left side and the right side of the corrosion liquid vessel along the horizontal direction, and the brackets are fixedly connected with the corrosion liquid vessel through L-shaped connecting pieces;
The corrosive liquid vessel comprises a liquid leakage vessel, a solution vessel and a rubber plug; the liquid leakage vessel is of a square structure with an opening at the top and a hollow inside, a circular groove for placing the liquid vessel is arranged in the center of the bottom surface of the inside of the liquid leakage vessel, the liquid vessel is of a cylinder structure with an opening at the top and a hollow inside, a first through hole is arranged in the center of the bottom surface of the liquid vessel, a second through hole is arranged in the center of the bottom surface of the liquid leakage vessel, the first through hole and the second through hole are mutually communicated, and the rubber plug is tightly fixed in the first through hole and the second through hole; the center of the rubber plug is provided with a square third through hole, and a sample is tightly matched and installed in the third through hole; l-shaped connecting pieces are oppositely arranged on the left side and the right side of the liquid leakage vessel along the horizontal direction;
the L-shaped connecting piece comprises a first connecting plate and a second connecting plate which are connected with each other, the first connecting plate is vertically arranged, and the lower end of the first connecting plate is horizontally connected with the second connecting plate; the first connecting plate is provided with a plurality of threaded holes for assembling with the weeping vessel, the second connecting plate is provided with a first chute for fixedly connecting with the bracket, and the first chute is arranged along the length direction of the second connecting plate;
The support comprises an inverted L-shaped movable frame and an L-shaped fixed frame, the movable frame comprises a third connecting plate which is horizontally arranged and a fourth connecting plate which is vertically arranged, the third connecting plate is attached to the lower surface of a second connecting plate of the connecting piece, a second sliding groove is formed in the position, corresponding to the first sliding groove, of the third connecting plate, and the second sliding groove is formed in the length direction of the third connecting plate; the first sliding groove and the second sliding groove are internally penetrated by a first bolt, and the third connecting plate and the second connecting plate can slide relatively and are fixedly connected through the first bolt; a third chute used for being assembled with the fixing frame is arranged on the fourth connecting plate, and the third chute is arranged along the length direction of the fourth connecting plate;
The fixing frame comprises a fifth connecting plate which is vertically arranged and a sixth connecting plate which is horizontally arranged, the fifth connecting plate is attached to the outer side surface of a fourth connecting plate of the movable frame, a fourth sliding groove is formed in the position, corresponding to the third sliding groove, of the fifth connecting plate, and the fourth sliding groove is formed in the length direction of the fifth connecting plate; the third chute and the fourth chute are internally penetrated by a second bolt, and the fifth connecting plate and the fourth connecting plate can slide relatively and are fixedly connected through the second bolt; and a plurality of connecting holes for fixedly connecting with the fatigue testing machine are formed in the sixth connecting plate.
Further, the L-shaped connecting piece is provided with a triangular support on the inner side of the corner of the L-shaped connecting piece.
Further, the inner side of the corner of the inverted L-shaped movable frame is provided with a supporting rod.
The beneficial effects of the invention are as follows: the gauge length section of the test piece can be completely immersed in the corrosive liquid when the test piece is subjected to fatigue test, so that the corrosion fatigue performance test is more reasonable and reliable. Aiming at the corrosion environment required by the metal corrosion fatigue test, the effective corrosion process of the sample during the corrosion fatigue test is realized.
Drawings
FIG. 1 is a schematic view of an etching apparatus for an etching fatigue test.
Fig. 2 is an enlarged partial view of the connector.
Fig. 3 is a schematic structural view of the solution vessel.
Fig. 4 is a schematic structural view of the weeping vessel.
Fig. 5 is a schematic diagram of the cooperation of a solution vessel and a weeping vessel.
Fig. 6 is a schematic structural view of the rubber stopper.
Fig. 7 is a schematic structural view of the moving frame.
Fig. 8 is a schematic structural view of the fixing frame.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience in describing the present invention and simplifying the description based on the azimuth or positional relationship shown in the drawings, it should not be construed as limiting the present invention, but rather should indicate or imply that the devices or elements referred to must have a specific azimuth, be constructed and operated in a specific azimuth. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present invention, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to the drawings, the corrosion device for metal corrosion fatigue test comprises a corrosion liquid vessel 2 which is horizontally arranged, wherein brackets 3 are oppositely arranged on the left side and the right side of the corrosion liquid vessel 2 along the horizontal direction, and the brackets 3 are fixedly connected with the corrosion liquid vessel 2 through L-shaped connecting pieces 1;
The corrosive liquid vessel 2 comprises a liquid leakage vessel 23, a solution vessel 22 and a rubber plug 21; the liquid leakage vessel 23 is of a square structure with an open top and a hollow interior, a circular groove 231 for placing the solution vessel 22 is formed in the center of the bottom surface of the liquid leakage vessel 23, the solution vessel 22 is arranged in the circular groove 231, the solution vessel 22 is of a cylindrical structure with an open top and a hollow interior, a first through hole 221 is formed in the center of the bottom surface of the solution vessel 22, a second through hole 232 is formed in the center of the bottom surface of the liquid leakage vessel 23, the first through hole 221 and the second through hole 232 are communicated with each other, and the rubber plug 21 is tightly fixed in the first through hole 221 and the second through hole 232; the center of the rubber plug 21 is provided with a square third through hole, and a sample is tightly matched and installed in the third through hole; the left side and the right side of the liquid leakage vessel 23 along the horizontal direction are oppositely provided with L-shaped connecting pieces 1, and the two side walls of the liquid leakage vessel 23 are respectively provided with 3 screw holes 233 for being assembled with the L-shaped connecting pieces 1;
The L-shaped connecting piece 1 comprises a first connecting plate and a second connecting plate which are connected with each other, the first connecting plate is vertically arranged, and the lower end of the first connecting plate is horizontally connected with the second connecting plate; the inner side of the corner of the L-shaped connecting piece 1 is provided with a triangular support; the first connecting plate is provided with 3 threaded holes 12 for being assembled with the weeping vessel 23, the second connecting plate is provided with a first chute 11 for being fixedly connected with the bracket 3, and the first chute 11 is arranged along the length direction of the second connecting plate;
The support 3 includes the movable frame 31 that is the shape of falling L and is L shape mount 32, and movable frame 31 includes the third connecting plate that the level set up and the fourth connecting plate of vertical setting, and movable frame 31 is equipped with the bracing piece in the inboard of its corner. The third connecting plate is attached to the lower surface of the second connecting plate of the connecting piece 1, a second chute 311 is formed in the position, corresponding to the first chute 11, of the third connecting plate, and the second chute 311 is arranged along the length direction of the third connecting plate; first bolts are arranged in the first sliding grooves 11 and the second sliding grooves 311 in a penetrating way, the tail ends of the first bolts sequentially penetrate through the first sliding grooves 11 and the second sliding grooves 311 and are connected with first nuts in a threaded way; the third connecting plate and the second connecting plate can slide relatively and are fixedly connected through a first bolt; the fourth connecting plate is provided with a third sliding groove 312 for being assembled with the fixing frame 32, and the third sliding groove 312 is arranged along the length direction of the fourth connecting plate;
the fixed frame 32 comprises a fifth connecting plate which is vertically arranged and a sixth connecting plate which is horizontally arranged, the fifth connecting plate is attached to the outer side surface of the fourth connecting plate of the movable frame 31, a fourth sliding groove 321 is arranged at the position, corresponding to the third sliding groove 312, of the fifth connecting plate, and the fourth sliding groove 321 is arranged along the length direction of the fifth connecting plate; a second bolt is penetrated in the third chute 312 and the fourth chute 321, the tail end of the second bolt is sequentially penetrated in the fourth chute 321 and the third chute 312 and is in threaded connection with a second nut; the fifth connecting plate and the fourth connecting plate can slide relatively and are fixedly connected through a second bolt; and a plurality of connecting holes for fixedly connecting with the fatigue testing machine are formed in the sixth connecting plate.
The installation sequence is as follows: firstly, installing an L-shaped connecting piece 1 and an etching liquid vessel 2, and fixedly connecting the connecting piece 1 with a liquid leakage vessel 23 through the cooperation of screws, threaded holes 12 and threaded holes 233; the solution vessel 22 is placed in the recess 231 and the hole is sealed by the rubber stopper 21 matching the sample size forming an interference fit with the first through hole 221 and the second through hole 232.
Installing the bracket 3 and the L-shaped connecting piece 1, aligning the third sliding groove 312 with the fourth sliding groove 321, and pre-tightening through a second bolt and a second nut; the second runner 311 is then aligned with the first runner 11 and preloaded by the first bolt and the first nut.
And then the bracket 3 and the fatigue testing machine are installed, and the bracket 3 and the testing machine are fixedly connected through the cooperation between the screw and the connecting hole 322 and the threaded hole on the fatigue testing machine.
In operation, the movable frame 31 is adjusted to a proper position according to the position of the chuck of the fatigue testing machine, and is fixed by the first bolt and the first nut, and by the second bolt and the second nut.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, and the scope of protection of the present invention and equivalent technical means that can be conceived by those skilled in the art based on the inventive concept.
Claims (1)
1. A corrosion device for metal corrosion fatigue test, its characterized in that: the corrosion liquid container comprises a corrosion liquid container (2) which is horizontally arranged, wherein brackets (3) are oppositely arranged on the left side and the right side of the corrosion liquid container (2) along the horizontal direction, and the brackets (3) are fixedly connected with the corrosion liquid container (2) through L-shaped connecting pieces (1);
The corrosive liquid vessel (2) comprises a liquid leakage vessel (23), a solution vessel (22) and a rubber plug (21); the liquid leakage vessel (23) is of a square structure with an opening at the top and a hollow inside, a circular groove (231) for placing the solution vessel (22) is formed in the center of the bottom surface of the inside of the liquid leakage vessel (23), the solution vessel (22) is arranged in the circular groove (231), the solution vessel (22) is of a cylinder structure with an opening at the top and a hollow inside, a first through hole (221) is formed in the center of the bottom surface of the solution vessel (22), a second through hole (232) is formed in the center of the bottom surface of the liquid leakage vessel (23), the first through hole (221) and the second through hole (232) are communicated with each other, and the rubber plug (21) is tightly fixed in the first through hole (221) and the second through hole (232); a square third through hole is formed in the center of the rubber plug (21), and a sample is closely matched and installed in the third through hole; l-shaped connecting pieces (1) are oppositely arranged on the left side and the right side of the weeping vessel (23) along the horizontal direction;
The L-shaped connecting piece (1) comprises a first connecting plate and a second connecting plate which are connected with each other, the first connecting plate is vertically arranged, and the lower end of the first connecting plate is horizontally connected with the second connecting plate; the first connecting plate is provided with a plurality of threaded holes (12) for assembling with the weeping vessel (23), the second connecting plate is provided with a first chute (11) for fixedly connecting with the bracket (3), and the first chute (11) is arranged along the length direction of the second connecting plate;
the bracket (3) comprises an inverted L-shaped movable frame (31) and an L-shaped fixed frame (32), the movable frame (31) comprises a third connecting plate which is horizontally arranged and a fourth connecting plate which is vertically arranged, the third connecting plate is attached to the lower surface of the second connecting plate of the connecting piece (1), a second sliding groove (311) is formed in the position, corresponding to the first sliding groove (11), of the third connecting plate, and the second sliding groove (311) is formed in the length direction of the third connecting plate; a first bolt is arranged in the first chute (11) and the second chute (311) in a penetrating way, and the third connecting plate and the second connecting plate can slide relatively and are fixedly connected through the first bolt; a third sliding groove (312) used for being assembled with the fixing frame (32) is formed in the fourth connecting plate, and the third sliding groove (312) is formed along the length direction of the fourth connecting plate;
The fixing frame (32) comprises a fifth connecting plate which is vertically arranged and a sixth connecting plate which is horizontally arranged, the fifth connecting plate is attached to the outer side face of the fourth connecting plate of the movable frame (31), a fourth sliding groove (321) is formed in the position, corresponding to the third sliding groove (312), of the fifth connecting plate, and the fourth sliding groove (321) is arranged along the length direction of the fifth connecting plate; a second bolt is arranged in the third chute (312) and the fourth chute (321) in a penetrating way, and the fifth connecting plate and the fourth connecting plate can slide relatively and are fixedly connected through the second bolt; the sixth connecting plate is provided with a plurality of connecting holes (322) for fixedly connecting with the fatigue testing machine;
the inner sides of the corners of the L-shaped connecting pieces (1) are provided with triangular supports;
the inner side of the corner of the inverted L-shaped movable frame (31) is provided with a supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487561.4A CN111610142B (en) | 2020-06-02 | 2020-06-02 | Corrosion device for metal corrosion fatigue test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487561.4A CN111610142B (en) | 2020-06-02 | 2020-06-02 | Corrosion device for metal corrosion fatigue test |
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| Publication Number | Publication Date |
|---|---|
| CN111610142A CN111610142A (en) | 2020-09-01 |
| CN111610142B true CN111610142B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010487561.4A Active CN111610142B (en) | 2020-06-02 | 2020-06-02 | Corrosion device for metal corrosion fatigue test |
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| CN (1) | CN111610142B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11242010A (en) * | 1998-02-26 | 1999-09-07 | Tokyo Rubber Seisakusho:Kk | Method for testing electrochemical deterioration resistance of rubber hose |
| CN206002403U (en) * | 2016-08-29 | 2017-03-08 | 中国航空工业集团公司西安飞机设计研究所 | A kind of corrosion fatigue test apparatus based on fatigue machine |
| CN107942042A (en) * | 2017-11-24 | 2018-04-20 | 江阴江化微电子材料股份有限公司 | The anti-aging test device and moulding process of a kind of chemicals pail pack |
| CN110501281A (en) * | 2019-10-09 | 2019-11-26 | 山东大学 | A kind of electrolytic cell and its application for the research of L-type sample Local electrochemical |
| CN210294014U (en) * | 2019-06-18 | 2020-04-10 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Novel outdoor atmospheric environment corrodes multi-functional sample frame |
| CN210322279U (en) * | 2019-09-19 | 2020-04-14 | 苏州美济翔精密模具有限公司 | Nail package detection mechanism |
| CN212459338U (en) * | 2020-06-02 | 2021-02-02 | 浙江工业大学 | Corrosion device for metal corrosion fatigue test |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8888988B2 (en) * | 2008-05-02 | 2014-11-18 | Nalco Company | Method of monitoring corrosion potential of engineering alloys in aqueous systems |
-
2020
- 2020-06-02 CN CN202010487561.4A patent/CN111610142B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11242010A (en) * | 1998-02-26 | 1999-09-07 | Tokyo Rubber Seisakusho:Kk | Method for testing electrochemical deterioration resistance of rubber hose |
| CN206002403U (en) * | 2016-08-29 | 2017-03-08 | 中国航空工业集团公司西安飞机设计研究所 | A kind of corrosion fatigue test apparatus based on fatigue machine |
| CN107942042A (en) * | 2017-11-24 | 2018-04-20 | 江阴江化微电子材料股份有限公司 | The anti-aging test device and moulding process of a kind of chemicals pail pack |
| CN210294014U (en) * | 2019-06-18 | 2020-04-10 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Novel outdoor atmospheric environment corrodes multi-functional sample frame |
| CN210322279U (en) * | 2019-09-19 | 2020-04-14 | 苏州美济翔精密模具有限公司 | Nail package detection mechanism |
| CN110501281A (en) * | 2019-10-09 | 2019-11-26 | 山东大学 | A kind of electrolytic cell and its application for the research of L-type sample Local electrochemical |
| CN212459338U (en) * | 2020-06-02 | 2021-02-02 | 浙江工业大学 | Corrosion device for metal corrosion fatigue test |
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| CN111610142A (en) | 2020-09-01 |
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