CN106442292A - Environmental simulation device for corrosion crack propagation performance testing - Google Patents
Environmental simulation device for corrosion crack propagation performance testing Download PDFInfo
- Publication number
- CN106442292A CN106442292A CN201610873238.4A CN201610873238A CN106442292A CN 106442292 A CN106442292 A CN 106442292A CN 201610873238 A CN201610873238 A CN 201610873238A CN 106442292 A CN106442292 A CN 106442292A
- Authority
- CN
- China
- Prior art keywords
- sample
- cartridge
- test
- box
- corrosion
- 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
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
-
- 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
An environmental simulation device for corrosion crack propagation performance testing consists of a solution tank, a solution circulating pump, a square bucket shaped transparent medium box, a flow control valve, a filter, a sample and the like, wherein their connecting relation is that the square bucket shaped transparent medium box is fixedly installed on a fatigue crack propagation sample through a top rubber plug and a bottom rubber plug, a water inlet of the transparent medium box is connected to the etchant solution circulating pump through a plastic guiding pipe, the solution circulating pump is connected with the solution box, the flow control valve is installed on the plastic guiding pipe at a water outlet of the medium box, the filter is connected with the flow control valve and delivers a filtered etchant solution back to the solution tank, and etchant solution circulation is achieved. The environmental simulation device simply, conveniently, practically and accurately simulates a corrosion environment of a crack propagation performance test through reasonable and exquisite matching and connection of subsystems and provides technical support and means for corrosion crack propagation performance testing.
Description
Technical field
The present invention relates to a kind of environment simulator for the test of corrosion cracking scalability, belongs to experimental test technology
Field.
Background technology
Engineering material subjects alternate load with structure in use, all, it may occur that fatigue rupture, is to ensure its peace
Quan Xing, needs to test its fatigue behaviour, develops through technology for many years, had formed already perfect fatigue property test standard；Engineering material
Material is also usually on active service under corrosive environment with structure and is used, and the aircraft such as be on active service in coastal or maritime environment, ship etc. are for a long time
Being corroded by sea water and salt fog, therefore, it is necessary to its corrosion cracking scalability is determined, the longevity is extended for assessing its corrosion cracking
Life.The current disclosed corrosion device for corrosion cracking expanding test both at home and abroad, generally existing corrosive liquid is easily leaked, is tried
Test part handling difficulty, corrosion liquid level and be difficult to the shortcomings of keeping stable in corrosion device.For overcoming the shortcoming of traditional corrosion device,
A kind of environment simulator for extending fatigue property test for corrosion cracking of invention, barrel-shaped by liquor box, solution circulation pump, side
The composition such as transparent medium box, flow control valve, filter and sample, by the reasonable and exquisite cooperation of subsystems and even
Connect, corrosive environment that is easy, practical, accurately simulating the test of cracks can spread performance, be that the test of corrosion cracking scalability is carried
For technical support and means.
Content of the invention
1st, purpose：It is an object of the invention to provide a kind of environmental simulation dress for the test of corrosion cracking scalability
Put, can test for the fatigue crack growth under corrosive environment.
2nd, technical scheme：A kind of environment simulator for the test of corrosion cracking scalability, it is characterised in that：By molten
The composition such as liquid case, solution circulation pump, the barrel-shaped transparent medium box in side, flow control valve, filter and sample.Connection between them
Relation is：The barrel-shaped transparent medium box in side is fixedly mounted on the wide plate examination of cracks can spread performance test by the rubber stopper on top, bottom
On sample, the test position of sample is soaked in corrosive liquid in process of the test；Its entery and delivery port connects corruption respectively by plastic catheter
Erosion solution circulation pump and flow control valve；Solution circulation pump is connected with liquor box, conveys solution to the barrel-shaped transparent medium box in side
Corrosive liquid in case；Flow control valve controls the corrosive liquid in cartridge in the plastic catheter of cartridge water outlet
Face height；Filter is connected with flow control valve, the corrosion product of filtered sample, and the corrosive liquid of filtration is sent back to liquor box,
Realize etchant solution circulation.
Described liquor box is tub container, equipped with import and export, holds enough etchant solutions in which, it is ensured that test makes
With.
Described solution circulation pump is used for the corrosive liquid in the barrel-shaped transparent medium box conveying liquor box in side, it is ensured that sample
Test position is soaked in corrosive liquid in process of the test.
The barrel-shaped transparent medium box in described side is the square barrel containers that transparent organic glass is made.During test, by top, bottom
The rubber stopper in portion, the barrel-shaped transparent medium box in side is fixedly mounted on the wide plate sample of cracks can spread, compared with other shapes container,
Simple installation, easily keeps balance and stablizes.Transparent organic glass bucket wall is conducive to clearly observing cracks can spread situation.Side is barrel-shaped
Bright cartridge arranged on left and right sides is furnished with water inlet and outlet, and water inlet connects solution circulation pump by plastic catheter, to cartridge
Injection corrosive liquid；Outlet is connected with flow control valve, controls the corrosion liquid level in cartridge stablize needed for testing
Highly.Before and after cartridge, surface be furnished with cylindrical shape magnifier for reading with a scale, can be under not halt condition, clear interpretation
Crack extending length.Cartridge top, bottom are respectively provided with wedge-shaped rubber plug, for sealing medium box top, bottom, and by cartridge
It is fixedly mounted on sample, i.e., first sample is passed through cartridge, the through hole for pushing up, bottom rubber stopper is central is then passed through, then will be carried
The rubber stopper of sample fills in cartridge top, bottom respectively, produces crimp, can seal between sample and rubber stopper, rubber
Gap between plug and cartridge glass tank wall, it is to avoid corrosive liquid completely cuts off cartridge and external environment from cartridge bottom leakage,
Prevent the corrosive liquid in cartridge to be contaminated, cartridge can be fixedly mounted on cracks can spread sample again.
Described flow control valve according to sample and the practical situation of etching fluid, can control the stream of cartridge liquid outlet
Amount and speed, easy can control the height for corroding liquid level in cartridge, it is ensured that the test position of sample is soaked in process of the test
Steep in corrosive liquid.
Described filter can filter the corrosion product for electrochemical reaction generation occurring by corrosive liquid and sample, prevent corruption
Erosion product obstruction inlet tube and outlet tube, affects corrosion fatigue test effect.
3rd, advantage and effect：The environment simulator of the present invention is by the reasonable and exquisite cooperation between each subsystem and even
Connect, corrosive environment that is easy, practical, accurately simulating the test of cracks can spread performance, be that the test of corrosion cracking scalability is carried
For technical support and means.
Description of the drawings
Fig. 1 is crack Propagation sample schematic diagram.
The barrel-shaped transparent medium box in Fig. 2 side of being is installed in the schematic diagram of cracks can spread sample.
In Fig. 2：1. clear glass bucket wall, 2. wedge-shaped rubber plug, 3. wedge-shaped rubber lid, 4. water inlet, 5. outlet, 6. carries
The cylindrical shape magnifier for reading of scale.
Fig. 3 is environment simulator schematic diagram.
In Fig. 3：1. sample, 2. square tube shape cartridge, 3. filter, 4. solution circulation pump, 5. liquor box, 6. flow-control
Valve.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Specific embodiment one：The specific embodiment of the present invention is described in conjunction with Fig. 1 to Fig. 3.
The present invention is a kind of environment simulator for the test of corrosion cracking scalability, is circulated by liquor box, solution
The composition such as pump, drum-shaped transparent medium box, flow control valve, filter and sample.The barrel-shaped transparent medium box 2 in side leads in figure 3
Cross top, the rubber stopper of bottom is fixedly mounted on the wide plate sample 1 of cracks can spread performance test, the test position of sample 1 is in examination
Corrosive liquid is soaked in during testing；Its entery and delivery port is by plastic catheter junction corrosion solution circulation pump 4 and flow-control respectively
Valve 6；Solution circulation pump 4 is connected with liquor box 5, conveys the corrosive liquid in liquor box 5 to the barrel-shaped transparent medium box 2 in side；Flow
Control valve 6 controls the corrosion liquid level in cartridge 2 in the plastic catheter of 2 water outlet of cartridge；Filter 3
It is connected with flow control valve 6, the corrosion product of filtered sample 1, and the corrosive liquid of filtration is sent back to liquor box 5, realizes corrosion molten
Liquid is circulated.
Cracks can spread sample is as shown in figure 1, be wide plate tensile sample.The barrel-shaped transparent medium box in side is as shown in Fig. 2 side is barrel-shaped
Bright cartridge is the square barrel containers that transparent organic glass is made.During test, by rubber stopper 2 and the top rubber plug 3 of bottom,
The barrel-shaped transparent medium box in side is fixedly mounted on the wide plate sample of cracks can spread, compared with other shapes container, its simple installation,
Easily keep balance and stablize.Transparent organic glass bucket wall 1 is easy to clearly observe cracks can spread situation.The barrel-shaped transparent medium box left side in side
Right both sides are furnished with water inlet 4 and outlet 5, and water inlet 4 connects solution circulation pump by plastic catheter, to cartridge injection corrosion
Liquid；Outlet 5 is connected with flow control valve, controls the corrosion liquid level in cartridge stablize in the height needed for test.It is situated between
Before and after matter box, surface be furnished with cylindrical shape magnifier for reading 6 with a scale, can be under not halt condition, clear interpretation crackle expands
Length degree.Cartridge top, bottom are respectively provided with wedge-shaped rubber plug 2 and 3, for sealing medium box top, bottom and cartridge is solid
Dingan County is mounted on sample, i.e., first sample is passed through cartridge, is then passed through the through hole in top, bottom rubber stopper 2 and 3 central authorities, then will band
The rubber stopper for having sample fills in cartridge top, bottom respectively, produces crimp, can seal sample and rubber stopper 2 and 3 it
Between, the gap between rubber stopper 2 and 3 and cartridge glass tank wall 1, it is to avoid corrosive liquid completely cuts off medium from cartridge bottom leakage
Box and external environment, prevent the corrosive liquid in cartridge to be contaminated, and cartridge can be fixedly mounted on cracks can spread sample again
On.After all accessories are attached, coordinate and debug according to the position relationship shown in Fig. 3, Corrosion Fatigue Properties survey just can be carried out
Examination.
Claims (1)
1. a kind of for corrosion cracking scalability test environment simulator, it is characterised in that：Circulated by liquor box, solution
The composition such as pump, the barrel-shaped transparent medium box in side, flow control valve, filter and sample.Annexation between them is：Side is barrel-shaped
Transparent medium box is fixedly mounted on by the rubber stopper on top, bottom on the wide plate sample of cracks can spread performance test, the examination of sample
Testing position, corrosive liquid is soaked in process of the test；Its entery and delivery port is by plastic catheter difference junction corrosion solution circulation pump
And flow control valve；Solution circulation pump is connected with liquor box, the corrosive liquid in the barrel-shaped transparent medium box conveying liquor box in side；
Flow control valve controls the corrosion liquid level in cartridge in the plastic catheter of cartridge water outlet；Filter
It is connected with flow control valve, the corrosion product of filtered sample, and the corrosive liquid of filtration is sent back to liquor box, realizes etchant solution and follow
Ring.
Described liquor box is tub container, equipped with import and export, holds enough etchant solutions in which, it is ensured that test is used.
Described solution circulation pump is used for the corrosive liquid in the barrel-shaped transparent medium box conveying liquor box in side, it is ensured that the test of sample
Position is soaked in corrosive liquid in process of the test.
The barrel-shaped transparent medium box in described side is the square barrel containers that transparent organic glass is made.During test, by top, bottom
Rubber stopper, the barrel-shaped transparent medium box in side is fixedly mounted on the wide plate sample of cracks can spread, compared with other shapes container, is installed
Simplicity, easily keeps balance and stablizes.Transparent organic glass bucket wall is conducive to clearly observing cracks can spread situation.Barrel-shaped transparent Jie in side
Matter box arranged on left and right sides is furnished with water inlet and outlet, and water inlet connects solution circulation pump by plastic catheter, injects to cartridge
Corrosive liquid；Outlet is connected with flow control valve, controls the corrosion liquid level in cartridge stablize in the height needed for test.
Before and after cartridge, surface be furnished with cylindrical shape magnifier for reading with a scale, can be under not halt condition, clear interpretation crackle expands
Length degree.Cartridge top, bottom are respectively provided with wedge-shaped rubber plug, for sealing medium box top, bottom, and cartridge are fixed peace
It is mounted on sample, i.e., first sample is passed through cartridge, the through hole for pushing up, bottom rubber stopper is central is then passed through, then will be with sample
Rubber stopper fills in cartridge top, bottom respectively, produces crimp, can seal between sample and rubber stopper, rubber stopper and Jie
Gap between matter box glass tank wall, it is to avoid corrosive liquid completely cuts off cartridge and external environment from cartridge bottom leakage, prevents from being situated between
Corrosive liquid in matter box is contaminated, and cartridge can be fixedly mounted on cracks can spread sample again.
Described flow control valve can according to sample and the practical situation of etching fluid, control cartridge liquid outlet flow and
Speed, easy can control the height for corroding liquid level in cartridge, it is ensured that the test position of sample is soaked in process of the test
Corrosive liquid.
Described filter can filter the corrosion product for electrochemical reaction generation occurring by corrosive liquid and sample, prevent corrosion from producing
Thing blocks inlet tube and outlet tube, affects corrosion fatigue test effect.
The environment simulator of the present invention by the reasonable and exquisite cooperation between each subsystem and connects, easy, practical, accurately
The corrosive environment of cracks can spread performance test is simulated, is that the test of corrosion cracking scalability provides technical support and means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873238.4A CN106442292A (en) | 2016-09-30 | 2016-09-30 | Environmental simulation device for corrosion crack propagation performance testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873238.4A CN106442292A (en) | 2016-09-30 | 2016-09-30 | Environmental simulation device for corrosion crack propagation performance testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106442292A true CN106442292A (en) | 2017-02-22 |
Family
ID=58172784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873238.4A Pending CN106442292A (en) | 2016-09-30 | 2016-09-30 | Environmental simulation device for corrosion crack propagation performance testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106442292A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982349A (en) * | 2018-09-26 | 2018-12-11 | 中国民航大学 | A kind of liquid in-situ corrosion fatigue device and test method |
| CN109900629A (en) * | 2019-03-07 | 2019-06-18 | 河钢股份有限公司 | A kind of environmental device and test method for metallic material corrosion fatigue test |
| CN111879687A (en) * | 2020-06-05 | 2020-11-03 | 中国民航大学 | Semi-open type in-situ salt spray corrosion device suitable for optical measurement mechanics |
| CN114088564A (en) * | 2021-10-18 | 2022-02-25 | 西南交通大学 | In-situ fretting corrosion wear test device and method based on neutrons and synchrotron radiation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT390144B (en) * | 1984-12-14 | 1990-03-26 | Tschegg Elmar Dr | Device for the corrosion testing of test bodies |
| CN101358929A (en) * | 2008-10-09 | 2009-02-04 | 中国航空工业第一集团公司北京航空材料研究院 | Experiment environment apparatus for expanding rate of fatigue crack in corrosive environment |
| CN101566554A (en) * | 2008-04-25 | 2009-10-28 | 中国船舶重工集团公司第七二五研究所 | Seawater circulation system for performing corrosion fatigue test for metal materials |
| CN103398897A (en) * | 2013-08-16 | 2013-11-20 | 常熟市苏常工程质量检测有限公司 | Strength-resisting test equipment |
| 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 |
| CN103487339A (en) * | 2013-09-29 | 2014-01-01 | 哈尔滨工程大学 | Device for testing fatigue crack growth rate of metal material in aqueous corrosive medium |
| CN105067457A (en) * | 2015-07-06 | 2015-11-18 | 北京航空航天大学 | Corrosion crack expansibility characterization and life estimation method |
-
2016
- 2016-09-30 CN CN201610873238.4A patent/CN106442292A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT390144B (en) * | 1984-12-14 | 1990-03-26 | Tschegg Elmar Dr | Device for the corrosion testing of test bodies |
| CN101566554A (en) * | 2008-04-25 | 2009-10-28 | 中国船舶重工集团公司第七二五研究所 | Seawater circulation system for performing corrosion fatigue test for metal materials |
| CN101358929A (en) * | 2008-10-09 | 2009-02-04 | 中国航空工业第一集团公司北京航空材料研究院 | Experiment environment apparatus for expanding rate of fatigue crack in corrosive environment |
| CN103398897A (en) * | 2013-08-16 | 2013-11-20 | 常熟市苏常工程质量检测有限公司 | Strength-resisting test equipment |
| 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 |
| CN103487339A (en) * | 2013-09-29 | 2014-01-01 | 哈尔滨工程大学 | Device for testing fatigue crack growth rate of metal material in aqueous corrosive medium |
| CN105067457A (en) * | 2015-07-06 | 2015-11-18 | 北京航空航天大学 | Corrosion crack expansibility characterization and life estimation method |
Non-Patent Citations (2)
| Title |
|---|
| 付裕等: "预腐蚀金属材料疲劳性能试验测试与表征模型", 《北京航空航天大学学报》 * |
| 李新宇等: "2B25铝合金材料腐蚀疲劳性能试验研究", 《中国测试》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982349A (en) * | 2018-09-26 | 2018-12-11 | 中国民航大学 | A kind of liquid in-situ corrosion fatigue device and test method |
| CN109900629A (en) * | 2019-03-07 | 2019-06-18 | 河钢股份有限公司 | A kind of environmental device and test method for metallic material corrosion fatigue test |
| CN109900629B (en) * | 2019-03-07 | 2024-03-22 | 河钢股份有限公司 | Environment device and test method for corrosion fatigue test of metal material |
| CN111879687A (en) * | 2020-06-05 | 2020-11-03 | 中国民航大学 | Semi-open type in-situ salt spray corrosion device suitable for optical measurement mechanics |
| CN111879687B (en) * | 2020-06-05 | 2023-02-28 | 中国民航大学 | Semi-open type in-situ salt spray corrosion device suitable for optical measurement mechanics |
| CN114088564A (en) * | 2021-10-18 | 2022-02-25 | 西南交通大学 | In-situ fretting corrosion wear test device and method based on neutrons and synchrotron radiation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103439199A (en) | System for testing fatigue crack propagation in corrosion environment | |
| CN106198196A (en) | A kind of environment simulator for Corrosion Fatigue Properties test | |
| CN106442292A (en) | Environmental simulation device for corrosion crack propagation performance testing | |
| CN101566554B (en) | Seawater circulation system for performing corrosion fatigue test for metal materials | |
| CN103439202A (en) | System for testing fatigue in corrosion environment | |
| CN202351159U (en) | Testing pool device for field monitoring of corrosion resistance of ship body coating | |
| CN103196819A (en) | Abyssal environment simulation device suitable for testing material corrosion behavior | |
| CN103234708A (en) | Pressurization simulation water depth testing device of sealing water tank and testing method | |
| CN104792689A (en) | Apparatus for environment corrosion cracking test in wet hydrogen sulfide environment | |
| CN203965255U (en) | Metering-type hydrostatic pressure pilot system | |
| CN104880502A (en) | Simple stimulation apparatus for corrosion and electrochemistry tests in low speed pipeline | |
| CN115929287A (en) | Crack plugging layer pressure-bearing dispersing capacity measuring device | |
| CN105259101A (en) | Testing apparatus for simulating marine engineering material under marine mud corrosion environment | |
| CN103630451B (en) | Simulation corrosion fatigue of splash zone of ocean three point bending test device | |
| KR102316032B1 (en) | Mesocosm system for simulating environment and testing method for using thereof | |
| CN203275264U (en) | Split corrosion fatigue test environmental cabinet | |
| CN108931821B (en) | Karst water movement and solute transport process three-dimensional test device under influence of human activities | |
| CN201852828U (en) | Water quality parameter measurement instrument placed in super buoy | |
| CN209589421U (en) | Submarine pipeline washes away hanging critical pressure differential experimental provision on muddy sea bed | |
| CN206618656U (en) | A kind of test device for floating state oil product or harmful influence sorbing material performance evaluation | |
| CN206497615U (en) | Oceanographic observation experimental teaching unit | |
| CN103852567B (en) | Reservoir water environment simulator | |
| CN203216681U (en) | Pressurizing simulation water depth test apparatus for sealed water tank | |
| CN210154969U (en) | Rock dynamic and static water environment and drying simulation comprehensive test system | |
| KR101195493B1 (en) | The apparatus for leaking check of hydraulic and pneumatic components |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |